Flight Test Data:

Indicated Airspeed Sink Rate Glide Ratio
------------------------------------------------
mph km/h fpm m/s L/D
------------------------------------------------
33.2 53.6 146 0.74 20.0
44.0 71.0 264 1.34 14.7
54.6 88.1 472 2.40 10.2

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

Coefficients (y in fpm, x in mph):
(negative y = descent)
A = -0.402437693
B = 20.130529376
C = -370.650154330

Coefficients (y in m/s, x in km/h):
(negative y = descent)
A = -0.000785861
B = 0.063403139
C = -1.882903595

Maximum L/D: 20.5 @ 48.9 km/h (30.3 mph)

Minimum sink: 0.60 m/s @ 40.3 km/h
119 fpm @ 25.0 mph



cruise_lift_scalar=0.95
parasite_drag_scalar=0.48
induced_drag_scalar=0.71