Flight Test Data:

Indicated Airspeed Sink Rate Glide Ratio
------------------------------------------------
mph km/h fpm m/s L/D
------------------------------------------------
36.2 58.4 121 0.61 26.3
44.6 72.0 120 0.61 32.7
59.8 96.5 190 0.97 27.7

Polar Equation: y = (A * x^2) + (B * x) + C

Coefficients (y in fpm, x in mph):
(negative y = descent)
A = -0.200427367
B = 16.323993856
C = -449.335456149

Coefficients (y in m/s, x in km/h):
(negative y = descent)
A = -0.000391385
B = 0.051414039
C = -2.282623680

Maximum L/D: 33.2 @ 76.4 km/h (47.4 mph)

Minimum sink: 0.59 m/s @ 65.7 km/h
117 fpm @ 40.7 mph

[flight_tuning]
cruise_lift_scalar =1.2
parasite_drag_scalar =0.5
induced_drag_scalar =1.7



Data recorded using CCS2004: