1. March 8, 20051 Propulsion 3 QDR Michael Caldwell Jeff Haddin Asif Hossain James Kobyra John McKinnis Kathleen Mondino Andrew Rodenbeck Jason Tang Joe Taylor Tyler Wilhelm AAE 451: Team 2

2. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 2 Overview Aircraft 3-View Thrust, Power, and Endurance Endurance Revisited Component Trade Study Motor & Battery Selection Propeller Selection

3. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 3 Aircraft 3-View Mission Requirements 15 min. endurance Take-off distance ≤ 60 ft. V stall ≤ 15 ft/s V loiter ≤ 25 ft/s 35 ft. turn radius

4. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 4 Thrust, Power, and Endurance

5. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 5 Endurance Revisited Airspeed Amps “Sedate” Mission 15min Airspeed Amps “Trainer” Mission 23min Historical Data says 300mAh IMPOSSIBLE for 15min Mission Modeling experts estimate between 1020 & 1320 mAh required MotoCalc ~ 1200 mAh Battery

6. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 6 Component Trade Study Graupner Speed 500 too powerful, unreliable data Each “Tier” represents a battery / motor combination more selection with Li & Brushless Connectors for brushed motors and Li batteries are not compatible. It would not be wise to have a Li & brushed combination. Our Aircraft needs to weigh less than 32 oz www.hobby-lobby.com www.balsapr.com Our Aircraft

7. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 7 Motor & Battery Selection BrushlessBrushed X

8. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 8 Prandtl & Goldstein

9. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 9 Power and Advance Ratio

10. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 10 Thrust Coefficient and Advance Ratio

11. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 11 Propeller Efficiency and Advance Ratio

12. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 12 Propeller Selection

13. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 13 Summary Selection Completed Questions?

14. [ Overview | 3-View | Thrust | Endurance | Trade Study | Motor & Battery | Propeller 1 2 3 4 5 | Summary ]Overview3-ViewThrustEnduranceTrade StudyMotor & Battery12345Summary March 8, 2005 14 Endurance Revisited (Brushed) “Sedate” Mission 14min“Trainer” Mission 20min MotoCalc ~ 2100 mAh Battery Amps Airspeed Amps