P09221: Innovative Composite Parts for a Formula SAE Racecar Vehicle
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Final Product Specifications

Final Specifications

Note: Items listed as 1.X reference the composite chassis. Items listed as 2.X reference the composite aero package. 3.X references the composite pedal box.

List of Metrics
Need No. Metric Importance Units Marginal Value Ideal Value
1.1 Chassis Torsional Stiffness High Stiffness: lb*ft/degree 2000-2500 2500-3000
1.2 Chassis Weight Medium Weight: lbs 55 45
1.3 Normal Driving Impacts VERY High Impact Resistance w/ Cone @ Speed (mph) 75 85
1.4 Cost Medium $/part 1000 500
1.5 Plug/Mold Production Time High Weeks 14 12
1.6 Part Production Time Medium Weeks 1.5 1
1.7 Suspension Point Accuracy Medium +/- inches .045 .025
2.1 Aerodynamic Downforce Generation High Downforce: lbs @ 30mph 20 30
2.2 Aero Package Weight Medium Weight, lbs 30 25
2.3 Aero Center of Pressure Location Low Longitudinal Location on Car Within 6-8" of CG Directly Below Center of Gravity
2.4 Cost Medium $/part 600 400
2.5 Plug/Mold Production Time High Weeks 4 3
2.6 Part Production Time Low Hours 4.5 3
3.1 Pedal Box Weight High lbs 1.5 1.0
3.2 Max Pedal Load High lbs 180 250
3.3 Capable of Withstanding Bump & Braking Loads High G's of Acceleration (bump/braking) 1.5/3 2.5/3.5
3.4 Pedal Box Max Deflection High inches .009 .004
3.5 Pedal Box Mold Production Time Low Hours 7 4
3.6 Pedal Box Part Production Time Low Hours 4 2
3.7 Pedal Box Part Cost Medium $/part 250 100

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