Wind-tunnel investigation of the aerodynamic balancing of upper-surface ailerons and split flaps (1937)
NASA Technical Reports Server (NTRS) · leaf 1
160 REPORT NO. 549 NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS Lift and drag forces were read directly on the regu- I general, from 0° to 25°; the aileron and flap deflections ranged in most cases from neutral to 90° up and 90c lar wind-tunnel balances. Hinge moments were meas- down. ured by the… … Fiqube 1.—Wind-tunnel Installation of wing model between end planes. midspan. As the results showed no consistent differ- ences, the effect of the fittings was considered to be swing) and at the other end to a clamp with pointer negligible. and dial outside the air stream. Comparison of two-plane…
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