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Propulsion QDR 2

Propulsion QDR 2. AAE 451 Fall 2006 Team 4 Tung Tran Mark Koch Matt Drodofsky Matt Lossmann Ravi Patel Ki-bom Kim Haris Md Ishak Andrew Martin. Overview. Geometric Propeller properties Motor Selection Power Supplies Cost Breakdown. Propeller Geometries. Chose a P/D of 0.8.

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Propulsion QDR 2

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  1. Propulsion QDR 2 AAE 451 Fall 2006 Team 4 Tung Tran Mark Koch Matt Drodofsky Matt Lossmann Ravi Patel Ki-bom Kim Haris Md Ishak Andrew Martin

  2. Overview • Geometric Propeller properties • Motor Selection • Power Supplies • Cost Breakdown

  3. Propeller Geometries • Chose a P/D of 0.8. • This yields an advance ratio of 0.9713

  4. Propeller Properties • τ = .8 • V = 129.3 ft/s • J = .9713 • β = 57.85º Where: Tau = P/D R = propeller radius

  5. Motor Selection • Rimfire Brushless Outrunner • 42 – 60-800 • 11.1V – 18.5V • 60 Amps Continuous Current • Weight – 9.5 oz. • Kv – 800 RPM/V • Power – 1.48hp • Price - $79.99

  6. Battery Selection • A123 Racing Lithium Ion batteries • 5 cells • 70A continuous discharge • 2300mAh per cell • 3.7 V per cell • 70 grams per cell • Cost - $60.00

  7. Horsepower Calc

  8. Speed Controller • Castle Creations Phoenix-80 Brushless Motor Control • 80A continuous power • BEC of 3A • Price - $135.99

  9. Cost Estimation • Motor - $79.99 • Speed Controller - $135.99 • Batteries – $60.00 • Propeller - $2.49 • Total with Speed Controller – $278.47 • Total without Speed Controller – $142.48

  10. Questions?

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