esvc-electric solar vehicle championship · fig.16. ergonomic consideration for driver 20 fig.17....

ESVC-Electric Solar Vehicle Championship www.worldsolarproject.com

© 2018 ISIEINDIA All Rights Reserved 1 2018-19 ESVC ® Rules



INDEX

PART A TECHNICAL RULES 6

A.1. Vehicle Types 10

A.1.1 Adventure Class: 10

A.1.2 Professional Class: 11

A.2. Design restrictions: 11

A.2.1. Dimension: 11

Adventure class 11

A.2.1.1. Penalty on the extension in dimensions: 12

A.2.2. Ground Clearance: 12

A.2.3. Weight Test: 12

A.2.4. Wheels and Tyres dimension: 12

A.2.4.1. Wheel Size: 12

A.2.4.2. Tyre Size: 13

A.2.5. Vehicle Track -configuration: 13

A.2.5.1. Wheel Base: Adventure class/ professional class 13

A.2.5.2. Track Width: Adventure class/ professional class 13

A.2.5.3. Design Category: 13

A.2.6. Chassis: 14

A.2.6.1. Cross section: 14

A.2.6.2. Material Specification: 14

A.2.6.3. Jack Point: 14

A.2.6.4. Hitch Point: 15

A.2.6.5. Push/pull Rod: 15

A.2.6.6. Safety Structure (Roll Hoops): 16

A.2.6.7. Impact Bumper: Adventure class/ Professional class 19

A.2.6.8 Side Impact Structure 19

A.2.6.9 Node-to-node triangulation – 20

A.2.6.10 Structural Documentation – MFSES Submission 20

A.2.7. Driver’s Compartment: 21

A.2.7.1. Cockpit: 21

A.2.7.2. Egress: 22

A.2.7.3. Driver‟s Seat: 22

A.2.7.4. Seat Belt: 22

A.2.7.5. Driver‟s Visibility: 25



A.2.7.6. Firewall: 26

A.2.8. Bodyworks: 26

A.2.8.1. Outer bodywork: 26

A.2.8.2. Floor closeout: 27

A.2.9. Stickers: 27

A.2.9.1 Vehicle Identification Number: 27

A.2.9.2. Organization/College Name: 27

A.2.9.3. Title sponsors: 28

A.2.9.4. ISIEINDIA Logo: 28

A.2.9.5. ESVC Logo: 28

A.2.9.6. Event Sponsor Logo: 28

A.2.9.7. Number Plate: 28

A.3. Steering, Brake, and Suspension 29

A.3.1. Steering: 29

A.3.1.1. Steering system: 29

A.3.1.2. Steering wheel: 30

A.3.1.3. Steering wheel position: 30

A.3.1.4. Steering type: 30

A.3.1.5. Steering positive stop: 30

A.3.2. Brakes: 31

A.3.2.1. Brake types: 31

A.3.2.2. Brake Pedal: 31

A.3.2.3. Brake Over-Travel Switch: 31

A.3.2.4. Brake light: 32

A.3.2.5. Brake light position: 32

A.3.3. Suspension: 33

A.4. Electrical System 33

A.4.1. Solar panel: 33

A.4.2. Battery Specification: 36

A.4.2.1. Battery Type: 36

A.4.2.2. Battery pack (power pack): 36

4.2.3. Battery Position: 37

A.4.2.4. Battery level indicator: 38

A.4.3. Drive Train: 38

A.4.3.1. Basic Definitions: 38



A.4.3.2. Motor Specification: 39

A.4.3.3. Transmission: 39

A.4.3.4. Transmission type: 39

A.4.3.5. Scatter shield and its position: 39

A.4.3.6. Throttle pedal: 40

A.4.3.7. Electrical accelerator: 40

A.4.3.8. Kill switch: 40

A.4.3.9. Kill switch mounting: 41

A.4.3.10. Fusing: 41

A.4.3.11. Horn: 41

A.4.3.12. Tractive system Voltage: 42

A.4.3.13. Tractive System Accumulator: 42

A.4.3.14. Kinetic Energy Recovers System (KERS): 42

A.4.3.15. Dashboard: 42

A.4.4. General Safety Instructions: 43

PART B FINAL EVENT JUDGING CRITERIA

B.1. Technical Inspection 46

B.1.1 Overview 46

B.1.2 Inspection Condition: 46

B.1.3 Inspection and testing requirement 46

B.1.4 Weight of the vehicle: 46

B.2. Design round (100 points) 46

B.2.1 Required Submissions: 47

B.2.2 Procedure: 47

B.3. Business plan & Cost Report (100 point): 47

B.3.1 Presentation Procedure: 47

B.3.2 Cost Report Overview: 47

B.4. Brake Test: 47

B.4.1 Overview: 47

B.4.2 Judgment criteria: 48

B.5. Acceleration (150 Points): 48

B.5.1 Procedure: 48

B.5.2 Scoring 48

B.5.3 Penalty 49

B.6. Cross-Pad (200 points): 49



B.6.1 Overview and Procedure: 49

B.6.2 Penalties: 49

B.6.3 Scoring Formula: 49

B.7. Off-Road Ability: 49

B.7.1 Overview and procedure: 49

B.7.2 Penalties: 50

B.7.3 Scoring formula: 50

B.8. Solar Performance Test: 50

B.8.1 Solar Performance Adventure Class: 50

B.8.1.1 Overview: 50

B.8.1.2 Procedure: 50

B.8.1.3 Penalties: 51

B.8.2.Solar Performance Professional Class: 51

B.8.2.1 Penalties: 52

B.9. Hill Climb (200 points) 52

B.9.1 Overview: 52

B.9.2 Scoring: 52

B.9.3. Penalties: 52

B.10. Endurance round: 52

B.10.1 Objective 52

B.10.2 Overview: 53

B.10.3 Endurance Penalties: 53

B.11. Rules and Jurisdiction 54

B.11.1 Official Announcement: 54

B.11.2 Rules authority: 54

B.11.3 Rules authenticity: 54

B.11.4 Rules compliance: 54

B.11.5 Understanding the Rules: 55

B.11.6 Participating in the competition: 55

B.11.7 The right to Impound: 55

B.11.8 Restriction of vehicle use: 55

B.11.9 Behaviour: 55

B.11.10 Violation Intent: 55

B.11.11 Competition Objective – A Reminder: 56

B.11.12 General Authority: 56



PART C DRIVER'S REQUIREMENT

C1 Driver‟s Requirement: 58

C 1.1 Driver’s License: 58

C 1.2 Driver Restrictions: 58

C 1.3 Age: 58

C 2 Driver’s Equipment: 58

C 2.1 Drivers Safety Gear: 58

C 2.2 Driver’s Suit: 58

C 2.3 Underclothing: 59

C 2.4 Helmet: 59

C 2.5 Balaclava: 60

C 2.6 Neck Support: 61

C 2.7 Gloves: 61

C 2.8 Shoes: 62

C 2.9 Shocks: 62

C 2.10 Fire Resistance material: 62

Table of Figures

Fig.1. Adventure class vehicle. 9

Fig.2. Professional Class vehicle 10

Fig.3. Dimensional restriction. 11

Fig.4. Wheel Diameter and Tyre Width. 12

Fig.5. Jack point 14

Fig.6. Hitch point 14

Fig.7. Push rod example 15

Fig.8. Distance between helmet and roll hoop 16

Fig.9. Roll cage multi-seater 16

Fig.10. Roll Hoops and bracings 17

Fig.11. Adventure class frame example 17

Fig.12. Professional class frame example 17

Fig.13. Bumper 18

Fig.14. Side impact structure 19

Fig.15. Triangulation 19



Fig.16. Ergonomic consideration for driver 20

Fig.17. The distance between h-point and head rest. 21

Fig.18. Shoulder harness positioning 22

Fig.19. Shoulder harness /lap belt mounting method 22

Fig.20. Positioning 5 point seat belt. Along with single quick release. 23

Fig.21. OEM seat belt. 24

Fig.22. Driver‟s Visibility 24

Fig.23. Side vent for cooling. 26

Fig.24. Picture depicting the position of Logo. 28

Fig.25. Number plate for Adventure Class. 28

Fig.26. Number plate for Professional Class. 28

Fig.27. Steering Wheel. 29

Fig.28. Brake Over travel Switch 31

Fig.29. Brake Light 31

Fig.30. Tail Light position. 32

Fig.31. Overhead panels are not allowed for Adventure Class. 33

Fig.32. Panels should be in front and rear of the driver. 34

Fig.33. For Professional Class panels can be placed on the roof. 35

Fig.34. Battery case. 36

Fig.35. Space for Battery and Transmission. 37

Fig.36. Scattering shield 39

Fig.37. Throttle Pedal with positive stop 39

Fig.38. Kill Switch. 40

Fig.39. Kill Switch mounting method 40

Fig.40. Kill switch mounting position reference 41

Fig.41. Fire extinguisher mounting 43

Fig.42. Fire extinguisher mounting bracket 43

Fig.43. Automotive grade wiring connectors 44

Fig.44. Track for Brake test 49

Fig.45. Cross pad track 50

Fig.46. Layout for Hill Climb Test. 52

Fig.47. Driver suit and required rating 59



Fig.48. Innerwear along with rating 60

Fig.49. Closed face helmet along with Snell/FIA/SFI rating 61

Fig.50. Sfi rated balaclava 61

Fig.51. Neck support allowed 62

Fig.52. Neck support not allowed 62

Fig.53. Sfi rated gloves 62

Fig.54. SFI rated shoes 63



Part A

Technical Rules



A.1. Vehicle Types A.1.1 Adventure Class:

The purpose of this segment of solar electric cars is to provide immense riding pleasure to the

user who wishes to ride solo. A light weight, smooth and fast to ride vehicle of this class

should provide an ultimate eco-friendly and economical cruising experience to end users.

The idea of introducing this class is to encourage the engineering participants to design and

develop a solar powered mobility solution that can fulfil the needs and aspiration of young

generation, who are willing to contribute and use eco-friendly green mobility solutions for

greater good of society and environment.

Fig.1. Adventure class vehicle.



A.1.2 Professional Class:

This class of multi-seater solar powered vehicle requires good aesthetic design along with the

performance that can help the society to incline towards the E-Mobility on a commercial

level.

Fig.2. Professional Class vehicle

A.2. Design restrictions:

A.2.1. Dimension:

Adventure class

1. In a straight line, the solar vehicle must fit inside a cuboid of 100 inches (2540 mm)

long, 60inches (1651 mm) wide and 60 inches (1651 mm) high, with the base

coincident with the ground.



Fig.3. Dimensional restriction-Adventure class

Professional class

1. When driving in a straight line, the solar car must fit inside cuboids of 195inch

(5000mm) long, 87 inches (2210 mm) wide and 60inches (1524) mm high, with the base

coincident with the ground.

Fig.3. Dimensional restriction-Professional class

A.2.1.1. Penalty on the extension in dimensions:

Teams will be penalized as below if they exceed the dimensions–

1. 5 point penalty count on per inch deviation.

2. If solar panel dimension exceeds more than 5 inches, team will attract 50

points penalty.

3. If it exceeds up to 10 inches, there will be 100 point penalty in solar

performance round.

4. If team exceeds the solar panel dimensions more than 10 inches, then team

will not be taking part in all dynamic events.

A.2.2. Ground Clearance:

The fully-laden solar car must have a minimum of 6 inches of ground clearance which

will be measured between the ground and the lowermost part of the vehicle.

A.2.3. Weight Test:

1. For Adventure class the weight of the vehicle should not exceed the limit of 180 kg,

without the driver.

2. For Professional class, the weight of the vehicle should not exceed the limit of 250

kg, without the driver.

A.2.4. Wheels and Tyres dimension:

A.2.4.1. Wheel Size:

The wheel diameter should be minimum of 12 inches or maximum of 14 inches.



A.2.4.2. Tyre Size:

Tires used by teams should have the following specification:

Tread Width: Maximum 6.5 inches (165.1 mm) and minimum 3.54 inches (90 mm).

Load rating: Greater than the load on wheels.

Speed rating: Greater than the maximum speed of the vehicle.

Fig.4. Wheel Diameter and Tyre Width.

A.2.5. Vehicle Track -configuration:

A.2.5.1. Wheel Base: Adventure class/ professional class

Minimum wheelbase of 60 inches must be provided to the vehicle.

A.2.5.2. Track Width: Adventure class/ professional class

Smaller Track width should be minimum 75% of the wheelbase.

A.2.5.3. Design Category:

Adventure Class:

Teams participating under adventure class must use 4 wheels design.

Professional Class:

Teams participating under professional class must use 4 wheels design.



A.2.6. Chassis:

A.2.6.1. Cross section:

1. Teams are instructed to use seamless tubes only.

2. Seamed tubes are strictly not allowed.

3. Circular cross section tubing is mandatory.

4. Tube Cross section requirement-

a. Minimum outer diameter/dimension – 1 inch.

b. Maximum Outer diameter/dimension – 2 inches.

c. Minimum wall thickness – 1mm.

5. Leaf Springs, Solid Bars, I-Bar, Rectangular Bar, or any other shape are not allowed.

6. Rectangular and square tubes can be utilized as support structure of vehicle

component (e.g. Seat mounting, motor mounting, pedal assembly, battery pack

mounting etc.) but should not be utilized as trusses member of the frame.

7. Also, the team should have at least one open end tube in the frame (this end must be

capped.)

8. A 3mm drill on main roll hoop should be provided for inspection of wall thickness.

The position of drill hole should be such that, Vernier calliper can be used for

inspection.

A.2.6.2. Material Specification:

1. Teams can use any material – steel/aluminium/carbon fibre for the tube.

2. In the case of steel minimum, carbon percentage should be 0.1%.

3. Teams need to have material composition and strength test certificate from certified

labs of all the tubes used in frame with the GST purchase bills.

4. Failing of producing the certificate at the time of inspection, Technical Inspector

judgment will be the final judgment i.e. either pass the vehicle with Penalty or

disqualify.

A.2.6.3. Jack Point:

1. There must be two jack points on the Vehicle, one at the rear and other at the front.

Both jack point must be colored in orange colour.

2. The jack point must be oriented horizontally and perpendicular to the centreline of the

car.

3. The jack point should be made of a flat steel plate attached to the bottom of chassis.

4. Jack point must be – 12 inches (300 mm) long, 2 inches (50.8 mm) wide and 0.1968

inches (5mm) thick

Fig.5. Jack point



A.2.6.4. Hitch Point:

1. Every vehicle must have two hitch point one at the rear end and other at the front

end.

2. Hitch point will be used to attach push rod.

3. Every team will have to fabricate detachable push rod that should have the capability

to push and pull the vehicle.

4. It should be painted in yellow.

5. Hitch point should not be at the bumper. It should be mounted on the frame only.

6. Hitch point should follow the dimensions given in fig 6.

Fig.6. Hitch point & hitch point dimension

Note: Bumper, jack point, and hitch point must be separate.

A.2.6.5. Push/pull Rod:

1. The detachable push rod is mandatory for all the team. Push rod should have the

capability push as well as pull the vehicle.

2. There should be a single rod for both usages.



Fig.7. Push rod example

A.2.6.6. Safety Structure (Roll Hoops):

Main roll hoop:

Adventure class-

1. Teams must provide a roll hoop behind the driver. Separating driver‟s compartment

from the rear of the vehicle.

2. The Main Hoop must be constructed of a single piece of uncut, continuous, closed

section steel tubing

3. The use of aluminium alloys, titanium alloys or composite material requires proper

analysis report.

4. The Main Hoop must extend from the lowest Frame Member on one side of the

Frame, up, over and down to the lowest Frame Member on the other side of the

Frame.

5. In the side view of the vehicle, the portion of the Main Roll Hoop that lies above its

attachment point to the Major Structure of the Frame must be within ten degrees (10°)

of the vertical.

6. Tip of the roll hoop should be at least 4 inches from tip of the helmet. The driver

should be at rest when this is measured.

Professional class-

1. Teams must provide a roll hoop made up of single piece of uncut, continuous, closed

section steel tubing, behind the drivers separating driver‟s compartment from the rear

of the vehicle.

2. The roll hoop must cover both the drivers.

3. Tip of the roll hoop should be at least 4 inches from tip of the helmet. The driver

should be at rest when this is measured

4. This will be measured by passing 4 inch diameter pipe horizontally from the top point

of the helmet to right and left side of helmet.

Fig.8. Distance between helmet and roll hoop



Fig.9. Roll cage multi-seater

Front roll hoop

Adventure class

1. The Front Hoop must be constructed of closed section metal tubing

2. The Front Hoop must extend from the lowest Frame Member on one side of the

Frame, up, over and down to the lowest Frame Member on the other side of the

Frame.

3. With proper gusseting and/or triangulation, it is permissible to fabricate the Front

Hoop from more than one piece of tubing.

4. The top-most surface of the Front Hoop must be no lower than the top of the steering

wheel in any angular position.

5. The Front Hoop must not be more than 250 mms (9.8 inches) forward of the steering

wheel. This distance shall be measured horizontally, on the vehicle centreline, from

the rear surface of the Front Hoop to the forward most surface of the steering wheel

rim with the steering in the straight-ahead position

Fig- steering distance from Front roll hoop.

6. Inside view, no part of the Front Hoop can be inclined at more than twenty degrees

(20°) from the vertical.



Professional class

No need of front roll hoop but the main roll hoop must be connected with the front of the car

in a cage like manner.

Main Hoop Bracing

Adventure class & professional class

1. The Main Hoop must be supported by two braces extending in the forward or

rearward direction on both the left and right sides of the Main Hoop.

2. If the Main Hoop leans forward, the braces must be forward of the Main Hoop, and if

the Main Hoop leans rearward, the braces must be rearward of the Main Hoop.

3. The Main Hoop braces must be attached as near as possible to the top of the Main

Hoop but not more than 160 mm (6.3 in) below the top-most surface of the Main

Hoop. The included angle formed by the Main Hoop and the Main Hoop braces must

be at least thirty degrees (30°).

Front Hoop Bracing

Adventure class

1. The Front Hoop must be supported by two braces extending in the forward direction

on both the left and right sides of the Front Hoop.

2. The Front Hoop braces must be constructed such that they protect the driver's legs and

should extend to the structure in front of the driver's feet.

3. The Front Hoop braces must be attached as near as possible to the top of the Front

Hoop but not more than 50.8 mm (2 in) below the top-most surface of the Front Hoop.

Fig.10. Roll Hoops and bracings

Fig.11. Adventure class frame example

Fig.12. Professional class frame example



A.2.6.7. Impact Bumper: Adventure class/ Professional class

1. There should be impact bumper on front and rear of the vehicle. It should be rigid

and strong. Without a bumper, team cannot participate in the dynamic events.

2. Teams can either use tubes to act as a bumper or they can use crushable type impact

attenuator.

In case of using metal tubes –

1. The Bumper should be cover outer point of the tires kept in zero steering position.

2. The bumper should be rigidly welded to the main frame.

3. The bumper should also be able to bear front impact load, as well as vertical load up

to the 100kg.

4. The bumper must start from the base of the chassis, and it should be in vehicle impact

zone i.e. 300mm from the ground. Preferably bumper should be of continuous tube

members rigid enough to bear impact load as well as vertical load.

Fig.13. Bumper

In the case of using Impact Attenuator:

1. It should be made up of proper crushable material.

2. Teams planning to use impact attenuator should first submit a report stating the

design, concept, calculation, impact simulations and validity of the impact attenuator

that they are planning to use.

3. Team can mount impact attenuator only if approved by Technical committee of ESVC

A.2.6.8 Side Impact Structure

The Side Impact Structure must meet the requirements listed below.

1. The Side Impact Structure for tube frame must be comprised of at least three (3)

tubular

a. Members, upper side impact member, lower side impact member and the

diagonal side impact member located on each side of the driver while seated in

the normal driving position,.

2. The location of these 3 tubes should be within 300-350 mm from the ground.

3. The upper side impact member must connect main roll hoop and front roll hoop.



4. The lower side impact member must connect the lower part of the main roll hoop to

the lower part of front roll hoop

5. The diagonal member must connect the diagonal nodes of the upper side impact

member and lower side impact member.

Fig.14. Side impact structure

A.2.6.9 Node-to-node triangulation –

An arrangement of frame members projected onto a plane, where a coplanar

Load applied in any direction, at any node, results in only tensile or compressive forces in the

Frame members. This is also what is meant by "properly triangulated".

Fig.15. Triangulation

A.2.6.10 Structural Documentation – MFSES Submission

1. All teams must submit a Main Frame Structural Equivalency Spreadsheet before

starting the fabrication in which teams have to present their CAD design of the frame

for approval.

2. The CAD design of the frame must show the steel tubing that matches the minimum

tubing requirement



3. The tubing used in the CAD design must be colour coded showing the different tubing

used for different structural parts ( Roll hoops, Side Impact Structures ,Roll Hoop

Harness, Front Bulkhead and all the Supporting tubing with proper triangulation)

4. The Main Frame Structural Equivalency Sheet form can be downloaded from the

ESVC website. (Teams can take the reference from the example of MFSES provided

on the ESVC website www.worldsolarproject.com)

5. The submission of the MFSES will be done through the mail before the provided dead

line.

6. Vehicles completed under an approved MFSES must be fabricated in accordance with

the materials and processes described in the MFSES.

7. Teams must bring a copy of the approved MFSES with them to Technical Inspection.

Do Not Resubmit MFSES’s unless instructed to do so.

A.2.7. Driver’s Compartment:

A.2.7.1. Cockpit:

1. Driver‟s ergonomic ease should be considered in the design. The teams are to provide

ergonomics report, in design report, mentioning occupant‟s packaging.

2. The teams are to provide ergonomics as per SAE 95th

percentile Male and 5th

percentile Female rule.

Fig.16. Ergonomic consideration for driver

3. The foot point of the occupant must be below Hip-point.

4. The steering wheel should be below shoulder line and above abdomen of the driver. It

should be positioned in such fashion that, the hands are not strained.

5. The angle between each occupant‟s shoulders, hips and knees must be more than 90°.



6. Separating him/her from rest of the components. Steering wheel, foot pedals, control

panel, seat, headrest are the only allowable components inside the compartment.

These should be positioned such as to minimize the risk of injury of the driver, during

impact.

7. When seated, driver‟s helmet should not interfere with roll hoop.

8. The driver‟s back should be at least 2 inches away from roll hoop.

9. The height from the tip of the helmet to the tip of curve member of roll hoop must be

minimum of 4 inches.

A.2.7.2. Egress:

Driver must be able to get out of the vehicle within 5 seconds (without any outside

help).

A.2.7.3. Driver’s Seat:

1. The lowest point of the driver's seat must not be lower than the bottom surface of the

lower frame rails or by having a longitudinal tube (or tubes) that meets the

requirements for Side Impact tubing, passing underneath the lowest point of the seat.

2. Driver must be provided with a forward facing seat that consists of a base (squab) and

backrest.

3. The distance from the hip point to the top of the head restraint (distance “r” in the

diagram below) must be at least 800 mm. (Refer diagram below for H-point

approximation.)

4. It is mandatory to use off road bucket seat.

5. Seat should be rigidly mounted and fasting should be attain by lock nuts.

Fig.17. The distance between h-point and head rest.

A.2.7.4. Seat Belt:

1. All drivers must use a 5-point or 6-point restraint harness meeting the following

specifications:



2. All driver restraint systems must meet SFI Specification 16.1, SFI Specification

16.5 or FIA specification 8853/98.

3. The belts must bear the appropriate dated labels.

4. The material of all straps must be in perfect condition.

5. There must be a single metal-to-metal latch type quick release for all straps.

6. All lap belts must incorporate a tilt lock adjuster (“quick adjuster”). A tilt lock

adjuster in each portion of the lap belt is highly recommended. Lap belts with “pull-

up” adjusters are recommended over “pull-down” adjusters.

7. Vehicles with a “reclined driving position” must have either anti-submarine belts with

tilt lock adjusters (“quick adjusters”) or have two sets of anti-submarine belts

installed.

8. The shoulder harness must be the “over-the-shoulder type”. Only separate shoulder

straps are permitted (i.e. “Y”-type shoulder straps are not allowed). The “H”-type

configuration is allowed.

Note: SFI spec harnesses must be replaced following December 31st of the 2nd year after the

date of manufacture as indicated by the label. FIA spec harnesses must be replaced

following December 31st of the year marked on the label.

Fig.18. Shoulder harness positioning

Fig.19. Shoulder harness /lap belt mounting method



Fig.20. Positioning 5 point seat belt. Along with single quick release.

LOAD BEFORE FAILURE VALUE

Shoulder Harness 13kN

Lap Belts 13kN

ant-submarine Harness 6.5kN

Lap + ant-submarine 19.5kN

ACCEPTED BOLTS GRADE

Shoulder Harness M10 8.8

Lap Belts M10 8.8

ant-submarine Harness M8 8.8

BRACKETS TO CHASSIS 2 X M6 8.8

Note : Bolts of diameters LESS THAN prescribed in the afore mentioned table will be

allowed ONLY if physically tested, must be as a minimum Grade 12.9 and must

comply with Safety Harness manufacturer mounting instructions.



OEM Seat belt is strictly not allowed.

Fig.21. OEM seat belt.

A.2.7.5. Driver’s Visibility:

Front and side visibility:

Driver must have a vision range of 100º (degrees) left and 100º (degrees) right, so a

total of 200º (degrees) of vision. This must be provided without any external

assistance.

Rear visibility:

1. The solar car must have rear vision systems that enable the driver, when seated in the

normal driving position with the safety belt fastened, to see the ground in the shaded

areas shown in the diagrams below.

2. Rear vision systems may be electronic, mirrors, or both. Rear vision systems must

operate whenever the solar car is in motion under its own power. Rear vision images

must be oriented so that objects on the right of the solar car are on the right of the

image.

Fig.22. Driver‟s Visibility



A.2.7.6. Firewall:

1. A firewall must separate the driver compartment from all components of the electrical

and electronics and any high voltage system.

2. The firewall must be a non-permeable surface made from a rigid, fire-resistant

material.

3. Material for firewall must have fire resistance and electrical resistance property.

4. Multiple panels may be used to form the firewall but there must be no gaps between

the joints.

5. A firewall can be bolted or riveted using metal brackets welded on the frame.

6. No nylon tie or strap of any kind should be used to fix the floor

7. Welding of the firewall on the frame is acceptable.

8. Firewall shouldn‟t be used as mounting member.

A.2.8. Bodyworks:

A.2.8.1. Outer bodywork:

1. Teams have the flexibility to choose material for outer body, some examples are-

glass fibre, carbon fibre, steel, aluminium etc.

2. Outer body cover must run from front member to rearmost member, without any

opening except those required for cockpit opening, and for those required for

wheels and forced cooling of the power unit.

3. As the vehicle is of closed wheels design, thus body works should cover the

wheels.

4. The wheel cover should be in such a fashion that it does not interfere with wheels

motion in any way.

5. The wheel should not hit the body during jounce or rebound while riding.

6. There should be no sharp edges/protruding edges on the outer body.

7. The solar panel should be secured so that no damage to the driver is done by it.

8. Bodywork should be detachable at different sections so that battery, transmission,

steering, suspension and other components are easily visible at the time of

Technical Inspection or maintenance.

9. Teams are to provide passage/slots for air to get in so that cooling of battery and

motor can take place. This can be done by adding slot/opening at the side panel, as

shown in the image below. This rule applies to both professional and adventure

class.

Fig.23. Side vent for cooling.



10. Bodyworks should be attached to the frame using fasteners and mechanical locks

only.

11. Bodyworks should not be attached using nylon ties or any other tie straps.

A.2.8.2. Floor closeout:

1. All vehicles must have a floor closeout made of one or more panels, which separate the

driver from the pavement.

2. If multiple panels are used, gaps between panels should not exceed more than 3mm (1/8

inch).

3. The closeout must extend from the foot area to the firewall and prevent track debris from

entering the car.

4. The panels must be made of Aluminium/steel.

5. Floor closeout should not be attached using nylon ties or any other tie straps.

6. Floor closeout should be attached to the frame using fasteners only.

7. Wooden ply and Glass Fibre will not acceptable.

A.2.9. Stickers:

A.2.9.1 Vehicle Identification Number:

Each car will be assigned a number at the time of its entry into a competition. Car numbers

must appear on the vehicle as follows:

1. Locations: In three (3) locations: the front and both sides.

2. Height: At least 152.4 mm (6inches) high.

3. Font: Block numbers (i.e. sans-serif characters). Italic, outline, serif, shadow or

cursive numbers are prohibited.

4. Stroke Width and Spacing between Numbers: At least 18 mm (3/4 inch).

5. Colour: Either white numbers on a black background or black numbers on a white

background. No other color combinations will be approved.

6. Visibility: The numbers must not be obscured by parts of the car, e.g. wheels, side

pods, exhaust system, etc.

7. Comment: Car numbers must be quickly read by course marshals when your car is

moving at speed. Make your numbers easy to see and easy to read.

A.2.9.2. Organization/College Name:

1. Each car must clearly display the organization name (or initials - if unique and

generally recognized) in roman characters at least 50 mm (2 inches) high on both

sides of the vehicle.

2. The characters must be placed on a high contrast background in an easily visible

location.

3. The organizer name may also appear in non-roman characters, but the roman

character version must be uppermost on the sides.

4. It must be displayed on the front of the vehicle below the car number.



A.2.9.3. Title sponsors:

It must be displayed on the front of the vehicle above the car number and both side of

the front bodyworks below the car number.

A.2.9.4. ISIEINDIA Logo:

The ISIE – India logo of length 10inch (254mm) & width of 5inch (127) must be

displayed on the front of the vehicle in a prominent location. ISIE logo stickers will

be provided to the teams on site.

A.2.9.5. ESVC Logo:

The ESVC logo of length 10inch (254mm) & width of 5inch (127) must be displayed

on the left and right-hand side of the front bodyworks above the car number. ESVC

sticker will be provided to the teams on site.

A.2.9.6. Event Sponsor Logo:

This must be displayed on both sides of the vehicle.

Note: There should be sufficient visible space remained for the Technical round and brake

test clear sticker in your vehicle.

Fig.24. Picture depicting the position of Logo.

A.2.9.7. Number Plate:

1. Each vehicle must have a number plate at the front and back. ISIEINDIA will

provide a vehicle number to put on the plate.

2. The background of the plate should be a white colour.

3. The size of the plate should be 500 x 120 mm.



4. The numbers should be clearly visible. Stroke width – 14mm, character height –

70 mm, character width – 50mm, space between characters – 11mm.

5. The number plate must be of rigid material like steel or fibre.

Fig.25. Number plate for Adventure Class.

Fig.26. Number plate for Professional Class.

Note: The number format shown above is just for reference only.

A.3. Steering, Brake, and Suspension

A.3.1. Steering:

A.3.1.1. Steering system:

1. The steering wheel must be mechanically connected to the wheels, i.e. “steer-by-

wire” or electrically actuated steering is prohibited.

2. Rear wheel steering (if fitted) must not compromise the control of the vehicle

under any circumstances, including emergency manoeuvres or following failures

such as tire blowouts.

ESVC 19 A 001

ESVC 19 P001



A.3.1.2. Steering wheel:

1. The steering wheel must have a continuous perimeter i.e. near circular or near

oval, the outer perimeter profile can have some straight sections, but no concave

sections.

2. Detachable steering wheel is mandatory for the teams.

3. “H”, “Figure 8”, or cut-out wheels are not allowed.

4. Steering wheel free play is limited to Seven degrees (7°).

5. The steering wheel should have a minimum of 10-inch diameter.

Fig.27. Steering Wheel.

A.3.1.3. Steering wheel position:

1. Teams must position steering wheel below shoulder line and above abdomen of

the driver.

2. The steering wheel should be positioned in such fashion that the risk of a driver

getting injured is minimized in the case of impact.

3. The driver should not suffer any kind of unnecessary strain while holding the

steering wheel.

4. Lock nut is mandatory for all fastening ends.

A.3.1.4. Steering type:

Rack and pinion type of steering system is mandatory. But there is no restriction on

steering ratio. Teams are free to use any configuration according to their compatibility.

A.3.1.5. Steering positive stop:

The steering system must have positive steering stops that prevent the steering

linkages from locking up (the inversion of a four-bar linkage at one of the pivots). The

stops may be placed on the uprights or on the rack and must prevent the tires from

contacting suspension, body, or frame members during the track events.



A.3.2. Brakes:

A solar car must be equipped with brakes on all the 4 wheels, operated by a single control

and must be hydraulic braking system.

A.3.2.1. Brake types:

1. It must have two independent hydraulic circuits such that in the case of a leak or

failure at any point, effective braking power is maintained on at least two (2) wheels.

Each hydraulic circuit must have its own fluid reserve, either by the use of separate

reservoirs or by the use of a dammed, OEM-style reservoir.

2. "Brake-by-wire" systems are prohibited.

3. Independent braking systems may share components deemed „not liable to failure‟

provided that they are amply dimensioned and readily accessible for maintenance.

Components „not liable to failure‟ are:

i. A brake pedal and its bearing.

ii. Brake lever and cam assemblies.

4. Single brake acting on a limited slip differential is acceptable.

5. The brake system must be capable of locking all 4 wheels simultaneously during the

brake test.

6. Braking systems must be protected with scatter shields from the failure of the drive

train or from minor collisions.

7. The brake pedal shall be designed to withstand a force of 2000 N without any failure

of the brake system or pedal box. This may be tested by pressing the pedal with the

maximum force that can be exerted by any official when seated.

8. The vehicle should not yaw more than 30 degrees under braking.

9. Brake must be capable of holding the fully-laden solar car on a 20-degree incline or

decline.

A.3.2.2. Brake Pedal:

1. The brake pedal must be fabricated from steel or aluminium or machined from

steel, aluminium or titanium.

2. Pedal should only be operated from driver‟s foot and no usage of hand operated

levers for braking mechanism is allowed.

3. The pedal over travel should be restricted by positive locking mechanisms.

4. Fluctuating Brake pedal mounting is not permitted.

A.3.2.3. Brake Over-Travel Switch:

1. A brake pedal over-travel switch must be installed on the car as part of the shutdown

system and wired in series with the shutdown buttons.

2. This switch must be installed so that in the event, if brake system fails such that the

brake pedals over travels, it will result in the shutdown of the system, which will

eventually help to control the system.

3. Break over-travel switch must be a single point, single throw.

4. Only push type of brake over travel switch as shown in figure is allowed.



Fig.28. Brake Over travel Switch

5. Repeated actuation of the switch must not restore power to these components, and it

must be designed so that the driver cannot reset it.

6. The switch must be implemented with analog components, and not through recourse

to the programmable logic controller or similar functioning digital controllers.

A.3.2.4. Brake light:

1. The car must be equipped with two red colored brake lights, each of them must

have minimum 5 inch(127mm) length and 3inch (76) width.

1. The brake light itself must be rectangular, triangular or near round shape.

2. Each brake light must be clearly visible from the rear in very bright sunlight.

3. Brake light should also function even when vehicle is killed-off.

Fig.29. Brake Light

A.3.2.5. Brake light position:

The distance between centres of both lights: Minimum 19.7 inches (500 mm)

The height of the centre of light: Minimum 13.7 inches (350 mm) from the ground.



Fig.30. Tail Light position.

A.3.3. Suspension:

1. Use of Suspension system is mandatory on all wheels.

2. The car must be equipped with a fully operational suspension system with shock

absorbers. That can work on an off road terrain also.

3. The judges reserve the right to disqualify cars which do not represent a serious

attempt of an operational suspension system or which demonstrate handling

inappropriate for a qualifying circuit.

4. All suspension mounting point must be visible at Technical Inspection, either by

direct view or by removing any covers.

5. Wishbone/ A-Arm must be of the Seamless tube.

6. The suspension used must have a minimum of 4inch (101.6 mm) of travel, i.e.

2inch (50.8mm) jounce and 2 inch (50.8 mm) rebound.

7. For fastening lock nut or else safety wire should be used.

8. At least 2-3 thread should be visible after fastening.

A.4. Electrical System

A.4.1. Solar panel:

1. Teams are free to use any kind of solar power system in their vehicle; team are also

allowed to develop (fabricate) their own solar panel or solar cell.

2. If teams are planning to develop solar panel or cells on their own, then they need to

submit the whole design report of solar panel or cells manufacturing.

3. No solar panel should exceed the body of the vehicle, solar panels must be securely

attached with the bodywork using fasteners, over hanging solar panels are not

allowed.

4. Solar system must follow the dimensional restriction of vehicle.

5. Solar Panels must be capable of charging the batteries using definite charge

controllers used for this purpose.

6. Teams should make sure that fluctuating Direct Current should not reach Battery Pack

directly. There should be usage of any charge controllers through which fluctuating

direct current from solar panel is converted into DC current and supplied to the

Batteries.



The position of the panels:

For Adventure Class:

1. Teams are not allowed to place panels on the roof or over the head of the driver. As

shown in the below image

2. Teams can place the panel on side of the driver, but they must ensure proper heat and

electric insulation, and position of the panel must not restrict driver‟s egress and

ingress.

3. The position of the panel should not be higher than shoulder line of the driver.

4. Panels should be positioned so that they can be detached for easy inspection of

interior system and mechanism of the vehicle. They can be either completely

detachable or contain a hinge at one end so that they can be lifted for inspection.

Fig.31. Overhead panels are not allowed for Adventure Class.



Fig.32. Panels should be in front and rear of the driver.

For Professional Class:

They can place panels over the head of the occupants if they want to. There must be 6

inches tolerance at least between helmet of the driver and the inner lining of the roof.



Fig.33. For Professional Class panels can be placed on the roof.

A.4.2. Battery Specification:

1. Maximum Voltage of Accumulator for Adventure class allowed is 60 V and 20 MJ.

2. Maximum Voltage of Accumulator for Professional class allowed is 72 V and 38 MJ.

A.4.2.1. Battery Type:

1. Teams have the choice to use Li-ion battery pack only. Teams will not be allowed to

change batteries. They need to use the same set of batteries throughout the event.

2. Teams can also use a separate battery of max 12V, for the following function, and the

mentioned function must be installed in the vehicle:

2.1 Innovations.

2.2 Horn.

2.3 Battery level indicator.

2.4 Brake light.

2.5 Side indicators.

A.4.2.2. Battery pack (power pack):

1. The cover material of Battery Pack must be fire and electric proof and properly insulated.

2. Flexible rubber or plastic sheets are not allowed to be used as covers.

3. Also, the battery cover should be made up of rigid plastic/glass fibre/ sheet metal, with an

insulating coating.

4. It should be mounted rigidly, nylon ties, strings or wire of any kind is not allowed for

mounting.

5. The casing of the battery should be fixed/ welded/ fastened (using lock nuts) with the

chassis.

6. If power storage pack is capable of spilling dangerous liquids when damaged, there must

be a spill-proof barrier between that storage pack and solar car occupants.



7. If power storage pack is capable of emitting dangerous gasses when damaged, there must

be a proper ventilation system designed--- between that storage pack and solar car

occupants.

8. The cover should be de-attachable type, if required then it can be easily removed from

batteries.

9. There should be forced convection system installed, such that air from atmosphere is

forced into battery for cooling purpose

10. Teams can use cooling fans or hoses for this purpose.

11. Self fabricated or assembled battery pack is not allowed.

12. Use of battery management system with battery pack is compulsory.

13. Original GST bills for battery pack should be present during technical inspection.

Fig.34. Battery case.

4.2.3. Battery Position:

1. The battery pack must be positioned behind the firewall/roll hoop only.

2. Teams are not allowed to position their power pack near the driver or near the front end

of the vehicle.

3. The battery pack should be positioned in such fashion that, it is easy for teams to detach it

when required or in the case of emergency or for repairing, and also easily accessible.



Fig.35. Space for Battery and Transmission.

A.4.2.4. Battery level indicator:

1. A battery level indicator must be provided in front of the driver on the dashboard.

Also, there should be no ocular illusion.

2. Teams must be able to monitor it during the event. It should completely show the

percentage of the battery based on voltage or current.

A.4.3. Drive Train:

A.4.3.1. Basic Definitions:

1. The Accumulator is defined as all the batteries that store the electrical energy to

be used by the tractive system.

2. Accumulator Segments are sub-divisions of the accumulator and must respect

either a maximum voltage or energy limit. Splitting the accumulator into segments

is intended to reduce the risks associated with working on the accumulator.

3. The Tractive System of the car is defined as every part that is electrically

connected to the motor(s) and accumulators.

4. The Grounded Low Voltage (GLV) system of the car is defined as every

electrical part that is not part of the tractive system (i.e. Horn, Brake Light, Head

Lights, and Innovations etc.)

4.1 The GLV system must be grounded to the chassis.

4.2 The tractive and GLV system must be galvanically isolated from one

another.

4.3 Note: The border between tractive and GLV systems is the galvanic

isolation between both systems. Therefore, some components, such as the

motor controller, may be part of both systems.

4.4 The tractive system must be completely electrically isolated from the

chassis and any other conductive parts of the car.

4.5 The tractive system motor(s) must be connected to the accumulator

through a motor controller.



4.6 Bypassing the control system and connecting the tractive system

accumulator directly to the motor(s) is prohibited.

4.7 The GLV system must be powered up before it is possible to activate the

tractive system. Furthermore, a failure causing the GLV system to shut

down must immediately deactivate the tractive system as well.

A.4.3.2. Motor Specification:

Adventure Class (Single Seated):

Operating Voltage: Maximum operating voltage should not exceed 60 Volts DC.

Total Power: 1500 Watt (minimum) to 2250 Watt (maximum).

Professional Class (Multi Seater):

Operating Voltage: Maximum operating voltage should not exceed 72 Volts DC.

Total Power: 2000 Watt (minimum) to 6000 Watt (maximum).

Note: During Technical Inspection Team must present Data Sheet and original bills (with

GST invoice) of motor and batteries.

A.4.3.3. Transmission:

It is mandatory for teams to use rear wheel drive, according to the range as per

specified in 4.3.2.

A.4.3.4. Transmission type:

Any transmission and drive train may be used.

A.4.3.5. Scatter shield and its position:

Exposed high-speed final drive train equipment such as Continuously Variable

Transmissions (CVTs), sprockets, gears, pulleys, torque converters, clutches, belt

drives and clutch drives, must be fitted with scatter shields as a failsafe system in case

of failure. T

Teams are suggested to use fibre sheet of minimum 2mm thickness or GV sheet

for Scatter shield

Fig.36. Scattering shield



A.4.3.6. Throttle pedal:

1. Only foot operated paddle is allowed.

2. There should be a positive lock provided with the throttle paddle.

Fig.37. Throttle Pedal with positive stop

A.4.3.7. Electrical accelerator:

The accelerator pedal must be a right-foot-operated foot pedal. The foot pedal must

return to its original, rearward position when released. The foot pedal must have

positive and negative stops at both ends of its travel respectively, preventing its

sensors from being damaged or overstressed.

A.4.3.8. Kill switch:

1. There should be three kill switches in the vehicle. One on the dashboard and

other on roll hoop, either side of the driver.

2. Only push and rotate type of Kill Switch is allowed.

3. They should be placed such that one can be easily accessed by the driver and other

outside the vehicle.

4. For Professional Class it should be on either side of the vehicle, easily accessible.

5. Kill switch should be clearly visible from a long distance with a bright red color.

Fig.38. Kill Switch.



A.4.3.9. Kill switch mounting:

1. Mounting the kill switch with plastic/metallic ties or wires is strictly prohibited.

2. The mounting of the kill switch must be rigid over which kill switch must be

rigidly fastened.

Fig.39. Kill Switch mounting method

On Dash board On Sides of the Vehicle

Fig.40. Kill switch mounting position reference

A.4.3.10. Fusing:

Tractive system must be appropriately fused.

A.4.3.11. Horn:

1. An audible warning device must be permanently fitted to the Solar Vehicle.

2. It must be capable of giving sufficient audible warning of the presence of the

Solar Vehicle and have a constant amplitude and frequency.

Note: The stickers named horn, kill switch and battery level indicator should be paste at

their appropriate places.



A.4.3.12. Tractive system Voltage:

1. The maximum permitted operating voltage for the tractive system is 60 VDC for

adventure class and 72 VDC for Professional class. The maximum operating

voltage is defined as the maximum measured accumulator voltage during normal

charging conditions.

2. The GLV system must be grounded to the chassis.

3. The tractive system must be completely isolated from the chassis and any other

conductive parts of the Vehicle.

4. The tractive system motor(s) must be connected to the accumulator through motor

controller. Bypassing the control system and connecting the tractive system

accumulator directly to the motor(s) is prohibited.

A.4.3.13. Tractive System Accumulator:

1. All batteries which store the tractive system energy must be enclosed in (an)

accumulator container(s).

2. If spare accumulators are to be used then they all must be of the same size, weight

and type as those that are replaced.

3. Spare accumulator packs must be presented at Electrical Technical Inspection.

A.4.3.14. Kinetic Energy Recovers System (KERS):

1. Teams are free to use energy recovery system if they want. But the energy should

be stored in batteries only. Any sort of flywheel or spring for storing energy is

restricted.

2. The system should be very stable and teams have to explain each and every

parameter they have used in the KERS system.

3. There should be a separate switch that can completely isolate and turn off the

KERS the system from other electrical systems for safety purposes.

A.4.3.15. Dashboard:

1. The dashboard must contain different indicators in front of the driver.

2. It should contain:

2.1 Battery level indicator.

2.2 Speedometer.

2.3 Battery Health monitoring indicator (Includes Temperature sensor and

Smoke sensor on battery system) Power withdrawn from accumulator

must be cut-off if readings from Temperature sensor and smoke sensor

exceed safe value.

2.4 Start button.

2.5 Reverse switch

2.6 Kill switch.

2.7 Horn.

2.8 Temperature level indicator of Motor condition.



A.4.4. General Safety Instructions:

1. All parts especially live wires, contacts, etc. of the electrical system need to be

isolated by non-conductive material, protected from being touched.

2. Teams must not use electrical tapes for insulation, as something capable of

damaging tape can damage single layered insulation.

3. Teams must provide double layered insulation, it can be done by reinforced

insulation of single layered insulation wires. Inside this reinforced insulation,

bundles of wire

4. All wires, connectors and electronics modules (such as MPPTs) which remain at

high voltage must be double insulated.

5. Wires must not go under the base frame of the vehicle.

6. Motor, suspension, wheels, steering, must be fastened by a lock nut.

7. All batteries must be attached securely to the frame.

8. There must be no electrical connection between the frame of the Vehicle (or any

other conductive surface that might be inadvertently touched by a crew member or

spectator), and any part of any traction system circuits except the ground of the

vehicle.

9. Traction system and GLV circuits must be physically segregated.

10. All parts belonging to the tractive system including conduit, cables, and wiring

must be contained within the Surface Envelope of the Vehicle such that they are

protected in case of a crash or roll-over situation.

11. Teams should regularly check their electrical breakdown between either sides of

the energy storage system.

12. Team must have 2 fire extinguishers each of 1 kg. At least one must be rigidly

mounted in driver sitting compartment and other must be in hand of team member

in every static and dynamic test during final event.

13. The fire extinguisher should be fix on firewall but proper structural stable mount

should be provided. It should be in seat compartment only in such a way that

driver can easy access to it while seated in vehicle.

14. PULL-KNOB type of mounting for fire extinguisher as shown in the figure below

is advisable and the orientation of knob must be such that there is sufficient open

space for its operation.

Fig.41. Fire extinguisher mounting



Fig.42. Fire extinguisher mounting bracket

15. If the fire extinguisher refilled, Team need to show the original bill of refilling

during the technical inspection.

16. Electrical wiring should be properly done and it should not disturb the ergonomics

of the driver or entangle with any parts of the driver.

17. Loosely hanging of wires must be avoided.

18. Wires should be properly covered using external hoses, wiring of electric and

electronic system and tractive system can be done separately.

19. Proper automotive grade wiring connector must be used for all types of wirings in

vehicle. Avoid using wire joints covered with tapes.

Fig.43. Automotive grade wiring connectors



Part B

Final Event Judging Criteria

Round Adventure class Professional class

Pre-Virtual Round 100 Points 100 Points

Weight Test 50 Points 50 Points

Design 100 Points 100 Points

Innovation 100 Points 100 Points

Business plan and cost

report

100 Points 100 Points

Acceleration 150 Points 150 Points

Cross pad 200 Points 200 Points

Off-road ability 200 Points 200 Pointss

Hill climb 150 Points 200 Points

Solar performance 200 Points 300 Points

Final Endurance 450 Points 500 Points

Best Research paper 100 points 100 Points

Total Points (Dynamic

Event)

1900 Points 2100 Points



B.1. Technical Inspection

Each vehicle will be inspected to determine if it complies with the requirements and

restrictions of the ESVC 2019 rulebook. Each team must bring the following items during

technical inspection:

a. Driver‟s license.

b. Insurance documents of both the driver.

c. Approved specification sheet of electrical system used.

d. Material certificate (certified by the authorized lab).

B.1.1 Overview

1. Each vehicle will be given a maximum of 2 attempts to clear Technical Inspection.

2. The vehicle will be inspected through different segments according to the technical

inspection sheet.

3. Presence of two Driver‟s and Captain is compulsory during Technical Inspection.

4. All the ESVC Teams need to qualify this round to further participate in Dynamic

Events.

5. Technical inspection is a non-scored activity.

B.1.2 Inspection Condition:

1. Vehicle must be presented for technical inspection in finished condition i.e., ready-to-

run condition. Technical inspection will not be done if vehicle is brought in

unfinished condition.

B.1.3 Inspection and testing requirement

1. All items on the Technical Inspection sheet must be clearly visible to the technical

inspectors.

2. Visible access may be provided by removing body panels and all other necessary

panels.

B.1.4 Weight of the vehicle:

● During technical inspection weight of the vehicle will be checked.

● The method evolves-measuring of weight on 4 wheels and adding them

together.

Note: Weight check during Technical Inspection is just to check whether the vehicle

weight is within the rulebook constrain or not, if team fail to meet the rule, then per KG

exceed in the weight will be adding penalty of 2 points in overall scores.

B.2. Design round (100 points)

The objective of Design round is to evaluate engineering efforts that the student went through

during Design phase of the vehicle and how those design parameters meet the market

requirements and implemented during manufacturing phase.



B.2.1 Required Submissions:

Judging will start with a Design Review before the event. The principal document submitted

for Design Judging is a Design Report.

Teams will be notified to submit Design Report on online in PDF format before the event

dates.

A hard copy of Design Report must be presented to the judge during Design Evaluation.

B.2.2 Procedure:

Cars must be presented for design judging in finished condition, i.e. fully assembled,

complete and ready-to-run.

The design judges will evaluate the engineering effort (Team performance) based upon the

team‟s Design Report, Design Spec Sheet, responses to questions and an inspection of the

car.

B.3. Business plan & Cost Report (100 point):

The objective of the Business plan Presentation is for the team to convince the “executives”

of a hypothetical manufacturing company to purchase the team‟s Solar-Electric vehicle and

put into mass production.

B.3.1 Presentation Procedure:

1. Teams are required to prepare a presentation in “ppt.” format, showing all the

necessary plans of business setup and marketing.

2. A maximum of 12 slide will be allowed for the teams to present their plan.

3. A time constrain of 10 minute will be allotted to the team to present their Business

presentation and 5 more minute of questionnaire will be added for executives to raise

question from the presentation given.

B.3.2 Cost Report Overview:

1. Teams are required to submit their cost report during the Business plan presentation.

2. Cost report format will be mailed by the ESVC Organizing committee after the

conduct of Pre-Virtual round.

B.4. Brake Test:

B.4.1 Overview:

1. Brake test is a qualifying round.

2. Each team will be provided a maximum of two attempts to qualify this round.

3. Both front tyre of the vehicle will be on the starting line.

4. Upon the flag off the Driver will be asked to throttle in full condition, until the front

tyre of the vehicle reaches finishing line.

5. The distance between Starting line and finishing line is of 50 m.



6. The vehicle should stop between finishing line and Dead End line upon actuation of

brake system.

7. The distance between Finishing line and Dead End line is of 7m.

B.4.2 Judgment criteria:

1. All the tyre of the vehicle must be in locked condition during braking. If team fails to

meet this criteria then the attempt will be considered as “Not Ok”.

2. Team again have to appear for this round. A maximum of 2 attempt will be provided

to the team to get “Brake Ok” condition.

3. Vehicle yawning/drifting more than 30 degrees will not be considered as “Brake Ok”.

Fig.44. Track for Brake test

B.5. Acceleration (150 Points):

The acceleration event evaluates the Vehicle‟s acceleration in a straight line on the flat

pavement.

B.5.1 Procedure:

1. The cars need to accelerate from a standing start over a distance of 50 m on a flat

surface.

2. The foremost part of the Vehicle will be staged at exactly behind the starting line. The

time taken to accelerate would be measured.

3. This distance of 50 m must be covered within 15 seconds of vehicle start from starting

line. If vehicle fails to cover this distance than team will receive 0 points in

acceleration round.

4. The vehicle will be positioned with its tip coincident with the starting line.

B.5.2 Scoring

The acceleration score is based upon the corrected elapsed time. Elapsed time will be

measured from the time the car crosses the starting line until it crosses the finish line.



Scoring formula: 150 × [(T longest – T yours)/ (T longest- T shortest)]

B.5.3 Penalty 1. Comes Down or Out: A two (2) second penalty will be added for each DOO

(including entry and exit gate cones) that occurred on that particular run to give

the corrected elapsed time.

2. Did Not Attempt (DNA): If the Vehicle did not attempt or if it does not complete

the event, then those teams would receive DNA.

B.6. Cross-Pad (200 points):

B.6.1 Overview and Procedure:

This round intents to checks the manoeuvrability of vehicle, measure the Vehicle‟s cornering

ability along with its suspension dynamics on a flat surface.

1. Team vehicle will start from starting line and it should travel along the track

overcoming all the obstacles in-between the track.

2. Only one attempt will be allotted to the team.

B.6.2 Penalties:

1. If the vehicle hit the cone for 2 seconds will be added to time per hit.

2. If the cone totally displaces or fell down, 10 seconds will be added each time.

Fig.45. Cross pad track

B.6.3 Scoring Formula:

𝑌𝑜𝑢𝑟 𝑠𝑐𝑜𝑟𝑒 = [(𝑇𝑙𝑜𝑛𝑔𝑒𝑠𝑡 − 𝑇𝑦𝑜𝑢𝑟𝑠)/(𝑇𝑙𝑜𝑛𝑔𝑒𝑠𝑡 − 𝑇𝑠ℎ𝑜𝑟𝑡𝑒𝑠𝑡)] ∗ 200

B.7. Off-Road Ability:

B.7.1 Overview and procedure:

This round intents to check the Vehicle‟s off road ability along with its suspension dynamics

on a off road surface.



1. Team vehicle will start from starting line and it should travel along the track

overcoming all the obstacles in-between the track.

2. Only one attempt will be allotted to the team.

Fig.46. Off road track

B.7.2 Penalties:

1. If the vehicle stops or struck for more than 10sec at any instant during this round than

a penalty of 5 second will be added to overall time taken by the vehicle to complete.

2. If the vehicle stops or struck for more than 30sec at any instant during this round than

vehicle will be considered as DNF(Did not finish) and 0 points will be awarded for

off road round.

B.7.3 Scoring formula:

𝑌𝑜𝑢𝑟 𝑠𝑐𝑜𝑟𝑒 = [(𝑇𝑙𝑜𝑛𝑔𝑒𝑠𝑡 − 𝑇𝑦𝑜𝑢𝑟𝑠)/(𝑇𝑙𝑜𝑛𝑔𝑒𝑠𝑡 − 𝑇𝑠ℎ𝑜𝑟𝑡𝑒𝑠𝑡)] ∗ 200

B.8. Solar Performance Test:

B.8.1 Solar Performance Adventure Class:

B.8.1.1 Overview:

The intension of this round is to check the engineering skills of team about solar power, and

judge whether the solar power generated by the team is sufficient enough to power the

vehicle.

B.8.1.2 Procedure:

1. Team is required to remove the battery terminals (both +Ve and –Ve) from the

motor controller and connect the Motor controller directly to Solar charge

controller.

2. There should be no Super capacitor circuit or any other device which stores the

charge involved in between Solar Charge Controller and Motor controller.

3. Team has to cover a straight track of length 50 m with the above condition

provided.



Scoring for Adventure Class (Teams which will cover 50m of specified distance

within given time):

Scoring for Adventure Class (Teams which will cover certain distance but might not able to

reach the finishing line):

B.8.1.3 Penalties:



B.8.2.Solar Performance Professional Class:

1. This class of vehicle will have solar and battery performance test simultaneously.

2. Teams have to keep their batteries potential at nominal operating voltage i.e. (48V

battery pack should be at a potential of 48V (± 0.1 V)) at the starting of the round.

3. Then teams will be given a time period of 2 hours to charge their batteries using solar

panels.

4. Potential gain will be checked after 2 hours of solar charging.

5. Then teams will have to run their vehicle for 45 minutes.

6. Teams will not be allowed to change their driver during this stage.

7. Its lap based performance round, teams will not be allowed to change their batteries/

components.

8. Batteries potential will be checked again, half an hour after finishing the endurance

round.

9. If the vehicle fails or is not able to finish due to mechanical fault/ electrical fault then

the team will not be allowed for endurance round.

10. Solar charging will not be allowed while running during solar performance round.

SOLAR ENDURANCE SCORES -:

= initial voltage at start (nominal battery voltage).

= voltage after solar charging.

=voltage after completing endurance.

= number of laps.



B.8.2.1 Penalties:



B.9. Hill Climb (200 points)

B.9.1 Overview:

This round is intend to check the gradient travelling ability of team. This round judge that the

design consideration made by team during designing phase meets the actual scenario of the

vehicle dynamics.

B.9.2 Scoring: ● Scoring for the team which reaches the finishing line.

● Scoring (Both adventure and professional) for teams which will cover certain distance

but might not able to reach the finishing line

For Professional Class: All occupants including driver must be seated in the vehicle.

Fig.47. Layout for Hill Climb Test.

B.9.3. Penalties:



B.10. Endurance round: (450 points for adventure class and 500 for professional class):

B.10.1 Objective:



The Endurance Event is designed to evaluate the overall performance of the car and to test

the car‟s durability and reliability.

B.10.2 Overview:

1. The vehicle has to endure for One and Half hour continuously.

2. The line-up will be made according to acceleration wise.

3. Driver change during the endurance is compulsory.

4. Time and location for the driver change will be instructed before the endurance.

Scoring for Adventure class:

Scoring for Professional class:

B.10.3 Endurance Penalties:

1. Mechanical breakdown: If a vehicle stops due to mechanical damage in the vehicle

that may be of non-functioning of brakes, slippage of chain over sprocket, tyre

puncture, Changes in wheel alignment, Tie rod breakdown etc., and these mechanical

damages will be considered as Mechanical breakdown.

1.1 A 10 points penalty will be added to Endurance round if team rectify

mechanical breakdown within 5 Minute of given time.

1.2 Team unable to rectify mechanical breakdown for 5 minute will lead to

elimination from Endurance Round, such case would be called as

MECHANICAL FAILURE

1.3 Their vehicle will be pulled away from the track if track marshal announce for

Mechanical Failure

1.4 Total laps covered till that time will be counted.

2. Electrical breakdown: If vehicle halt suddenly due to non-functioning of electrical

system such as Fusing problem, Motor over heating due to excessive load, Over

heating of accumulator, wire burnout, Motor controller issues etc., then such

condition will be called as Electrical breakdown

2.1 A 10 points penalty will be added to Endurance round if team rectify electrical

breakdown within 5 Minute of given time.

2.2 Team unable to rectify electrical breakdown for 5 minute will lead to

elimination from Endurance Round, such case would be called as

ELECTRICAL FAILURE.

2.3 Their vehicle will be pulled away from the track if track marshal announce for

Mechanical Failure.

2.4 Total laps covered till that time will be counted.

3. Over-taking: Track marshal will guide the team drivers of Overtaking and Non-Over

taking zones during formation lap. A 5 point penalty will be induced to the team if

their vehicle over take other vehicle in non-overtaking zone

4. Cone touch: Cones will be place at the border of the track. If vehicle touches a cone

will face a penalty of 1 point.



5. Cone Down: If vehicle hits the cone then 2 point penalty per CONE DOWN will be

induced.

6. Tyre out of track: Any two tyre found to be out of track then teams have to face a

penalty of 5 Points.

7. Vehicle out of track: If the whole vehicle is out of track then teams have to face a

penalty of 20 points.

8. Team can charge their vehicle during Endurance by instructing to track marshals.

9. Vehicle should be out of track during charging condition.

Note: Team must refer Driver’s Handbook for flags and signals for endurance round.

Note: At least 4 teams must compete with each other to award one on them as winner, in

each and every round of Dynamic Event. Although points will be added in the final score if

less than 4 teams compete with each other, but no award will be awarded to highest scoring

team.

B.11. Rules and Jurisdiction

B.11.1 Official Announcement: 1. All the official announcements and the information regarding the competition will be

displayed on the official websites of Imperial Society of Innovative Engineers.

2. Our official site is: (website link)

3. After completion of registration, important information will be sent via the emails to

the respective Team Manager.

4. The rules will be same throughout the event and any amendments done will be

informed immediately by all the participating team through mail/Facebook

group/page.

B.11.2 Rules authority:

1. All the authority of rules is under Organizing Committee of “ESVC”.

2. Official announcements from Organizing Committee will be considered part of rules

and have the same validity.

3. Query regarding event concerning the meaning or intent of these rules will be

resolved by the Participants Relations Manager of organizing a committee.

B.11.3 Rules authenticity:

The rules and other information related to events are valid to till completion of the

event and schedule as per decided by the ISIE. Rule of other may be different.

B.11.4 Rules compliance:

1. By entering through registration in this competition, the team members, team advisors

and other personnel of the entering organization agree to comply with and be bound

by, the rules and all rules interpretations or procedure issued or announced by

Organizing Committee of “ESVC”.

2. All team members, team advisors, and other representatives are required to cooperate

with, and follow all instructions from competition organizers, officials, and judges.



B.11.5 Understanding the Rules:

Teams, team members as individuals and team advisors are responsible for reading

and understanding the rules in effect for the competition in which they are

participating.

B.11.6 Participating in the competition:

Teams, team members as individuals, team advisors and other representatives of a

registered organization who are present on-site at a competition are considered to be

“participating in the competition” from the time they arrive at the site until they depart

the site at the conclusion of the competition or earlier by withdrawing.

B.11.7 The right to Impound:

During the event, any registered team can be called for technical inspection and

examination at any point of time and stage and can be questioned for any technical

element related to the Vehicle during the event to any team member.

B.11.8 Restriction of vehicle use:

Teams are cautioned that the vehicles designed by the team are restricted to operate at

the event place. It is to be operated at the time of competition only.

B.11.9 Behaviour:

1. All the members of each and every team must follow the rules laid by Organizing

Committee of “ESVC”, during the competition. Any member‟s failure to follow the

rules will result in 20 % point reduction or elimination from the event. Arguments

with officials may also result in the team being eliminated from the event.

2. Smoking and Illegal Material: Alcohol, illegal drugs, weapons or other illegal

material are strictly not allowed on the event site during the competition. This rule

will be in effect during the entire competition.

3. Unsportsmanlike Conduct: In the event of unsportsmanlike conduct, the team will

receive a warning from an official. A second violation will result in the expulsion of

the team from the competition.

4. Official Instructions: Failure of a team member to follow an instruction or command

directed specifically to that team or team member will result in a twenty-five (25)

point penalty.

5. Arguments with Officials: Argument with, or disobedience to, any official may result

in the team being eliminated from the competition. All members of the team may be

immediately escorted from the grounds.

6. Parties: Disruptive parties either on or off-site should be prevented by the Team

Advisor

7. Safety of tools: Teams will be responsible for all their tools, equipment and

Component. ISIE will not be responsible for any kind of losses or damage.

B.11.10 Violation Intent:

Any violation of this rule by a team member will cause the expulsion of the entire

team. This applies to both team members and team advisors. Any use of drugs, or the



use of alcohol by an underage individual, will be reported to the authorities for

prosecution.

B.11.11 Competition Objective – A Reminder:

1. The ESVC event being organized by ISIE is a challenge of design engineering and

manufacturing competition that requires performance demonstration of Hybrid and

Electric Vehicles and is NOT a race. Engineering ethics will apply.

2. It is recognized that lots of hard work have been put in by the teams for an entry into

ESVC Event.

3. It is also recognized that this event is an “innovation enhancement experience” but

that it often times becomes confused with a high-stakes race. In the heat of

competition, emotions peak and disputes arise.

4. The officials of ISIE are trained volunteers and maximum effort will be put in to settle

the disputes an equitable, professional manner.

B.11.12 General Authority:

ISIE and the competition organizing bodies reserves the right to revise the schedule of

any competition and/or interpret or modify the competition rules at any time and in

any manner that is, in their sole judgment, required for the efficient operation of the

event or the ESVC series as a whole.



Part C

Driver’s Handbook



C1 Driver’s Requirement:

Every team must have minimum two drivers.

C 1.1 Driver’s License:

● A valid government issued driving licence is must for all drivers.

C 1.2 Driver Restrictions:

● Representing driver of the teams must be a regular graduate/post-graduate student of

engineering college/university of the participating team. 1.3 Medical Insurance:

● Individual medical insurance coverage for both driver is must. Valid hard copy of

insurance paper must be submitted at the time of technical inspection..

C 1.3 Age:

● The minimum permissible age for driver in the competition is 18 years.

C 2 Driver’s Equipment:

C 2.1 Drivers Safety Gear:

● The following driver safety equipment specified below is the minimum safety

requirement and must be worn by driver during all dynamic condition of the vehicle.

● Using authentic driver‟s equipment with valid safety ratings as prescribed in rulebook

will be prime responsibility of the team.

● Date/Year of Manufacturing of equipment must be on all critical safety equipment.

C 2.2 Driver’s Suit:

● A fire resistant one piece suit, made from a minimum of 1 layer that covers the body from

the neck Down to the ankles and the wrists. The suit must be certified to either one of the

following standards and be labelled such as SFI 3.2A/1 (or higher) / FIA Standard 1986/

FIA Standard 8856-2000.

SFI 3-2A/5 (or higher) FIA Standard 1986



FIA Standard 8856-2000 Fig.48. Driver suit and required rating

Note: - Damaged suits (with minor cuts or holes) or over stitched suits are not permitted to be

used. Before purchasing the driver suit teams must check the suit‟s safety rating along with

the manufacturing dates.

C 2.3 Underclothing:

It is mandatory for all drivers to wear fire resistant underclothing of SFI 3.2A/5 / FIA

standard 1986 or higher under their approved driving suit. This fire resistant underclothing

(SFI/ FIA rated) should be made from an acceptable fire resistant material as listed in 2.9 and

that should cover the driver‟s body completely from neck down to ankles and also the wrists

Fig.49. Innerwear along with rating

Note: - Drivers must have inner wears of required rating, Teams must check the rating and

manufacturing details of the innerwear before purchasing

C 2.4 Helmet:

A well- fitting closed face helmet that meets one of the following certifications and is

labelled as such-

Snell K2000, K2005, K2010, M2000, M2005, M2010, SA2005, SA2010, SAH2010, SA2015



SFI 31.2A, SFI31.1/2005, SFI 31.2/2005, 31.2/2010, 31.2/2015, 41.2/2005, 41.2/2010,

41.2/2015

FIA 8860-2004, FIA 8860-2010, FIA 8859-2015

Open faced helmets are not a permissible. All helmets to be used in the competition must be

presented during Technical Inspection where approved helmets will be a stickered. The

organizer reserves the right to impound all non-approved helmets until the end of the

competition.

Fig.50. Closed face helmet along with Snell/FIA/SFI rating

Note: - Motocross helmets are not allowed, Teams must check the specified rating along with

manufacturing details of the helmet before purchasing. -Beware of Chinese helmets.

C 2.5 Balaclava:

A balaclava which covers the driver‟s head, hair, and neck, made from an acceptable fire

resistant material (SFI 3.2A/5 / FIA standard 1986 or higher) as or a full helmet skirt of

acceptable fire resistant material. The balaclava requirement applies to drivers of either

gender, with any hair length.



Fig.51. SFI rated balaclava

C 2.6 Neck Support:

The neck support must be a full circle (360°) and SFI rated. Horseshoe collars are not

allowed. Simpson, RCI, G-Force, Deist or Leaf Racing Products supply neck collars that

meet this requirement.

Fig.52. Neck support allowed Fig.53. Neck support not allowed

Note: - 360 degree continuous perimeter neck support along with required rating is allowed,

Neck support with slots is not allowed

C 2.7 Gloves:

Fire resistant gloves made from made from acceptable fire resistant material (SFI/ FIA

rated) Gloves of all leather construction or fire resistant gloves constructed using

leather palms with no insulating fire resisting material underneath are not acceptable.

Fig.54.SFI rated gloves

Note: - Damaged or torn out gloves are not allowed.



C 2.8 Shoes:

Fire resistant shoes made from acceptable fire resistant material shoes must be certified to

the standard and labelled as such: SFI 3.3/ FIA 8856-2000.

Fig.55. SFI rated shoes

Note: - Sports shoes/Canvas shoes/Leather shoes/Industrial safety shoes are not allowed at

any point of the event.

C 2.9 Shocks:

Fire resistant socks made from acceptable fire resistant material, which covers the bare skin

between the driver‟s suit and the boots or shoes. For the purpose of this section the approved

fire resistant materials are: Carbon X, Indura, Nomex, Polybenzimidazole (commonly known

as PBI) and Proban.

C 2.10 Fire Resistance material:

For the purpose of this section some, but not all, of the approved fire resistant materials are:

Carbon X, Indura, Nomex, Polybenzimidazole (commonly known as PBI) and Proban.

T-shirts, socks or other undergarments made from nylon or any other synthetic material

which will melt when exposed to high heat are prohibited.

Note: Expired driving equipment‟s are not allowed, Team must ensure expiry date of their

driving equipment‟s is beyond the date of event. Individual safety equipment should be

available for each Driver in a team.

esvc-electric solar vehicle championship · fig.16. ergonomic consideration for driver 20 fig.17....

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