An airplane wing having the characteristics shown in Fig. 11.24 is to be designed to lift 1800 lbf when the airplane is cruising at 200 ft /s with an angle of attack of 3°. If the chord length is to be 3.5 ft, what span of wing is required? Assume ρ = 0.0024 slugs/ft³.

In figure 11.24

Transcribed Image Text:

1.20 A== = 1.00 A= = 5 0.80 CL 0.60 0.24 0.40 0.16 CD 0.20 0.08 12 16 Angle of attack, a, degrees en in