project ares university of central florida nasa student launch 1/28/2015

Project Ares

University of Central Florida

NASA Student Launch

1/28/2015

University of Central Florida

Length: 81.75 in. Diameter: 4 in. Weight: 9.26 lb

Final Launch Vehicle Dimensions

University of Central Florida

Final AGSE Dimensions

Body of the Chassis: 21 in. Body and Arm: 33 in. Electronics Box :14 in. x 8.5 in. Box : 8.5 in. wide Rover: 12"

University of Central Florida

Final Motor Choice

Full Scale will use Cesaroni J360 Burn Time:

2.8s

Propellant Weight: 606g

Total Impulse: 228.38 lb*s

Max Thrust: 125.736 lb

Average Thrust: 81.448 lb

University of Central Florida

Flight Stability and Static Margin Diagram Center of Gravity

57.705 in.

Center of Pressure 67.843 in.

Stability Margin 2.53 Cal

University of Central Florida

Thrust-to-Weight Ratio and Rail Exit Velocity Thrust-to-Weight Ratio is 9.34:1 Rail Exit Velocity is 71.5 ft/s

University of Central Florida

Mass Statement and Mass Margin

Open Rocket subscale mass prediction: 75oz (4.7lb) Actual subscale mass: 101 oz (6.3lb)

Mass increase of 26 oz (1.6lb)

Open Rocket fullscale mass prediction: 139 oz (8.7lb) Expected mass increase: 30oz (1.9lb) Expected total mass: 169 oz (10.6lb)

University of Central Florida

Recovery System

Drogue: 36” Main: 76” Payload: 28” Kevlar recovery harnesses Descent rates

Drogue before payload ejection: 41ft/s Drogue after payload ejection: 36ft/s Main descent rate: 17ft/s Ejected payload descent rate: 24ft/s Rail exit velocity: 71.5ft/s

University of Central Florida

Kinetic Energy Analysis

Kinetic energy determined from previously found velocities. Drogue before payload ejection: 276ft-lb Drogue after payload ejection: 169.6ft-lb Main kinetic energy : 37.9ft-lb Ejected payload kinetic energy : 212.4ft-lb Rail exit kinetic energy 841.8ft-lb

University of Central Florida

Predicted Drift

Calculated using constant acceleration assumption 5 mph: 675.277 ft 10 mph: 1350.5541 ft 15 mph: 2025.831 ft 20 mph: 2701.108 ft

University of Central Florida

Test Plans and Procedures

Ground Testing Simulations Actual Launch Outlined in CDR

University of Central Florida

Scale Model Flight Test

Subscale set to launch 1/17/2015 Faulty electronics prevented scheduled launch Launches can only happen in designated launch sites

with NAR and/or Tripoli members present

University of Central Florida

Tests of the Staged Recovery System Extensive Ground Testing Safety Full Scale Launch Tracking for all components

University of Central Florida

Final AGSE/ Payload Design Overview Dimensions of Rover

21” x 12” x 10”

Rocker-Bogie styled Suspension System Claw and Arm system Navigation using Computer Vision

University of Central Florida

AGSE/ Payload Integration

Rotating Claw on moving arm Mounted Camera Detect payload in claw

University of Central Florida

Interfaces

Webcams Servos Motors Arduino Motor/Servo Controllers Low Powered PC on mini ITX motherboard

University of Central Florida

Status of Requirements Verification

Power/Kill Switch Start Button to start program Will run all stages autonomously