ine is 60 miles per hour, the wings have a resistance of 97lbs. and an angle of incidence of slightly less than 4°. Now, the drag D„ of the wings may be written in the formI*w=(i^a) • ^ ■ U^, and therefore (^^0=3721766)2 = ^^^^^ (=*° approximately). is ■ 2 ro Weight oF Machine 1650lbs. Wing SurFace… … SOSpeed (M.RH.) KiG 26. Also, if the machine be supported entirely by the lift onthe wings, W=K^AUS and therefore1650 K„ 372 X (60) ,=000123 (a=4° approximately). Since D„. = (^jW, the resistance of the wings is a minimum at the angle of incidence which makes \^r\ a maximum.From curve 2 we see that…
Airplanes
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