ATMOSPHERIC CONDITIONS 

@ Air Temperature  =  21.00 deg C ( 69.80 deg. F) 
@ Pressure Altitude  =  0.500 km ( 1640.4 ft) 
@ Relative Humidity  =  70.0 percent 
Pressure  =  716.04 mm Hg ( 28.19 in. Hg) 
Speed of Sound  =  343.82 m/sec ( 769.1 stat mi/hr) 
Kinematic Viscosity  =  16.08E6 m^2/sec (173.1E6 ft^2/sec) 
Air Density  =  1.1306 kg/m^3 ( 2.194 E3 slug/ft^3) 
Density Altitude  =  0.899 km ( 2948.4 ft) 
AIRCRAFT & FLIGHT CHARACTERISTICS 
@ Aircraft Drag Area  =  35.20 cm^2 ( 5.456 in^2) 
@ Airspeed  =  59.00 m/sec (132.0 stat mi/hr) 
Dynamic Pressure  =  1967.82 N/m^2 ( 41.10 lbf/ft^2 ) 
Thrust Power  =  408.68 w (0.548 HP) 
Thrust power = power reqd. @ 100% prop eficiency 
@ Engine speed  =  430.00 Hz ( 25800.0 RPM) 
Flight Helix Pitch  =  137.21 mm ( 5.402 in) 
PROPELLER CHARACTERISTICS 
@ Number of Blades  =  2 
@ Diameter  =  163.00 mm ( 6.417 in) 
Effective Diameter  =  133.76 mm ( 5.266 in.) 
@ Zero Lift AOA  =  2.50 deg 
@ AoA Above Zero Lift  =  6.00 deg. 
AOA from reference line  =  3.50 deg 
Const. Rn for Chord  =  200000 
Thrust Loading  =  0.2505 
Ideal Efficiency  =  0.9357 
Advance Ratio (J)  =  0.8418 
Inflow Pitch Incr  =  9.43 mm ( 0.371 in.) 