helicopter flight simulator / trainer cicare svh-3
TRANSCRIPT
HELICOPTER FLIGHT SIMULATOR / TRAINER CICARE SVH-3
The Cicaré SVH-3 helicopter flight simulator / trainer is a single seat helicopter, using a specially designed structure that allows you to perform all the manoeuvres of hovering and translational up to 90 cm in height without losing contact with the ground.
The structure consists of a platform, an air tank, two air cylinders and a cross bar connected to the helicopter.
The platform has eight adjustable castoring wheels that allow the student/trainee to move the helicopter freely in all directions.
The helicopter has a main rotor and tail rotor built in composite materials and conventional push-pull control tubes.
The Cicaré SVH-3 is powered either by a Rotax 582 two-stroke engine producing 64-horsepower at 6,500 revolutions per minute
Or
A Rotax 942 ULS four cylinder, four stroke engine producing 100 horsepower utlising 95 Octane ULP
Environment: Both these engines have significantly less Carbon emissions than any other helicopter
Aerospace materials used to manufacture the CICARE SVH-3
Simulator Operation
Ascent and descent: the cylinders and pistons of the pneumatic system allow the vertical movement of the helicopter.
When the helicopter rises or descends, the pistons move inside the cylinders and they maintain the helicopter linked to the platform.
Horizontal displacement:
If the helicopter is high and it moves forward, backward or sideward, the whole system must move with it.
To do this, the platform moves over the "road surface" with its self-orientating wheels.
Pitch and roll: The helicopter can pitch and roll around its longitudinal and transversal axes through the crosspiece that links the mast of the helicopter with the higher structure.
Yaw: The bond between the lower structure and the center of the platform allows the helicopter to rotate on its vertical axis.
With all such freedom of movement, it is evident that the CICARE SVH-3 makes it possible to practice all the maneuvers at low height that are performed in conventional helicopters.
Learning Simulator
The main objective of Cicaré SVH-3 is that a student who has never had contact with the controls of a helicopter, will gradually and naturally gain the coordination required for handling this type of aircraft.
To make this task even more complete, it is possible to scale the sensitivity of the Cicaré SVH-3, so as to increase the difficulty of each stage as the student gains experience.
The sensitivity of each sortie can be modified by varying the air pressure in the tank bottom structure. As air pressure decreases, the simulator is more responsive to control inputs and, therefore, it’s controls are more sensitive.
The instructor and the student communicate by radio. This allows the instructor to give the student all the necessary instructions and advice to make the learning more effective. As it is two way radio, the student can transmit any doubts to the instructor as they perform different maneuvers.
Basically the method of instruction in the simulator Cicaré SVH-3 is as follows:
Stage "A": The student learns how to control and coordinate the helicopter tail rotor control pedals, the collective pitch and the engine throttle. .
The platform is fixed to the road surface; this restrains the horizontal displacement to the CICARE SVH-3 and the student doesn't have to worry about the cyclic control. .
The pneumatic system is filled with the maximum pressure so that the sensitivity of the controls is minimum. .
As the student is able to coordinate the movements of the control, the instructor diminishes the air pressure, until, with the minimum pressure the student has correctly controlled the CICARE SVH-3.
Stage “B”: The student learns to control all the the conventional helicopters controls: cyclic, collective pitch, tail rotor pedals and engine throttle.
The platform is now not fixed to the road surface so the CICARE SVH-3 can perform the maneuvers at low height of a conventional helicopter.
Like the stage “A”, this one begins with the maximum air pressure in the pneumatic system (minimum difficulty) and, as the student masters the maneuvers requested by the instructor, the instructor gradually increases the sensitivity of the controls. .
In this stage, with the minimum air pressure, the CICARE SVH-3 behaves just like a conventional helicopter.
Emergency Simulations and Special Equipment
Emergencies.The CICARE SVH-3 offers the possibility to practice several types of emergencies with total safety, without putting in danger the personnel or the machine.
These emergencies are engine failure, loss of some engine power and loss of tail rotor control.
The CICARE SVH-3 also has warning lights for simulated alarms. The objective of all this is that the student learns to maintain a scan of the instrument panel and to react correctly when a warning light is activated or if an emergency such as engine failure occurs. .
Loss of Tail Rotor control is often not practiced in normal training for helicopter pilots and the pilots only have theoretical training when faced with these kinds of situations.
Unique Wind Simulator.
As special equipment, the CICARE SVH-3 has a Wind Simulator system.
This equipment acts on the tail rotor controls and produces on the CICARE SVH-3 the same effect as that of a wind with sudden gusts of different intensity. .
The students that use the CICARE SVH-3 in the training course do not depend on the climate to learn how to counteract the effects of the wind on the aircraft.
Remote controlThe CICARE SVH-3 comes with a remote control device, which emits the signals to activate or to deactivate the different emergency simulations and special equipment previously noted.
These are: · Engine stop.· Loss of engine power.· Loss of tail rotor control.· Tail rotor control recovery.· 3 independent simulated alarm lights.· Wind simulator.· R.P.M. simulator.
The person in charge of operating this equipment is the instructor, who besides watching the CICARE SVH-3 operation, can actively participate in the teaching, activating the different emergencies for the student when he believes it is convenient.
Engine Emergency Stop
The CICARE SVH-3 has an engine quick stop push-button that allows the instructor to stop the engine of the simulator whenever he wants. It is especially practical in case the student carries out a dangerous maneuver.
Height LimiterDepending on the student skill level, the instructor can choose between two height limits.
When it low height is selected as the limit and it is reached, engine power reduces and makes it impossible for the CICARE SVH-3 to go higher.
If the instructor chooses the maximum height as limit, a mechanical stop prevents the CICARE SVH-3 going higher than this limit. In both cases, there is an indicative light of "height limit proximity" when the CICARE SVH-3 is about to reach the set height limit, and another light that indicates that "height limit is reached".
These lights are on the instrument panel and on the CICARE SVH-3 exterior, so the student and the instructor can see them. .
SafetyObtaining a highly safe environment and reducing the costs to the minimum, without neglecting quality, have been the main objectives during the development of the CICARE SVH-3 simulator:
•Safety: For the personnel and equipment protection the following safety measures have been taken:
R.P.M. Limiter: when a preset R.P.M. is reached, there is automatically a reduction in engine power. Therefore it is impossible to exceed the R.P.M. considered critical.
Height Limiter: this system prevents an inexperienced student to going over a certain height, this way avoiding unnecessary stress on the CICARE SVH-3 simulator.
Engine Protection: it has an over heating protection system which stops the engine when the above normal operation temperature limit is reached
Engine Quick Stop: the instructor must carry it with him at all times. This way, he has the power of immediately stopping any risky maneuver or any other undesirable situation that could happen.
Operations Area: the road surface where the CICARE SVH-3 operates is a square of 12 meters each side with its surface perfectly flat and leveled, surrounded by a safety area 6 meters wide whose surface is such that doesn't allow the CICARE SVH-3 to be displaced and is free of obstacles.
A fence inside which only the instructor and the student are allowed must surround this safety area.
Also, an area of 30 meters diameter must surround the road surface and the safety area where there must not be obstacles such as trees, buildings, etc. and there must be prohibited the traffic and parking of vehicles while the simulator is operating.
The drawing shows the "Operation Area" of the CICARE SVH-3.
Direct Operating Cost
ITEM COST
Fuel (@ $US0.90 per litre @ 17 Litres/per/hour) 15.30
Periodic Inspections 0.93
Scheduled Maintenance 4.90
Unscheduled maintenance (50% of the scheduled). 2.45
General Overhaul 6.03
Engine Maintenance 4.63
TOTAL ($US –Per operating hour) 34.24
Comparison with other helicoptersNote: the helicopter hours saved translate into increased utilisation for other flight ops
In US$
Cost per Hour
Saving per Hour Saving per Student(@ 8 hours)
Cicaré SVH-3 34.24
Argentinean ArmyHILLER UH-12ET
450.0 415.76 3326.08
Arg. Air ForceHUGUES 500 D
620.0 585.76 4686.08
ROBINSON R-22 250.0 215.76 1726.08
ROBINSON R-44 460.0 425.76 3406.08
Advantages
• Where approved by a country's Aviation Regulator, a reduction of between 60 and 80% in the hourly cost of flight training during the first 10 hours of the course.
•Virtually eliminates the accident risk for Students and Instructors during the early training stages as well as protecting helicopters from wear/tear and damage.
•Optimising skills formation and reducing stress to suit the learning pace of each unique student.
•Allows Armed forces and other security agencies to economically assess the abilities of aspiring pilots before selection for recruitment.
•Allows inexpensive "Back to Basics" check and training for corporate operators.
Authorizations and reports.
The authorizations conferred to the CICARE SVH-3 by:
• the Argentinean Air Force• the Federal Aviation Administration (F.A.A.) of the United States• Civil Aviation Safety Authority (C.A.S.A.) of the Australia• the Civil Airworthiness Direction (D.A.C.) of Brazil• the reports made by the Argentinean Air Force, Argentinean Army and Argentinean Federal Police about the CICARE SVH-3 Simulator/Trainer guarantee the excellent performance of our product.
Publications
It has now been proven globaly that CICARE SVH-3 simulator is a safe, effective and economic tool for the instruction and training of helicopter pilots.
Distributed and supported by Rotor Research Pty Ltd
Australia
T: +61 7 54191332
W: www.brumbyhelicopters.com.au
Dr: Tony Carmody