PROPULSION PDR#1 Brian Barnett Rob Benner Ryan Srogi John Keune Alex Fleck

Testing at ASL Ran last year’s setup with different number of cells –Astro Challenger Cobalt Motor –15x10 propeller –2.38:1 gearbox –4, 6, 8 cells of Panasonic NiMH batteries

Performance Chart

MotoCalc Analysis Constraint Diagram –W/S =.45 –Cl max = 1 Sizing Inputs into MotoCalc –Weight (minus Motor,Batt, S/C) = 5.3 lbs –b = 10 ft. –S = ft 2 –Fixed Gear –NACA 4412 Airfoil

MotoCalc Analysis Propulsion Inputs into MotoCalc –Astro Flight Astro 40 –15 x 10 propeller –8 Panasonic NiMH 3000 mAh

MotoCalc Analysis Outputs

Preliminary Equipment Choices 15x10 propeller Direct drive Astro Flight Astro 40 All hardware to be optimized by propulsion PDR #2