Effect of tip shape and dihedral on lateral-stability characteristics (1937)
NASA Technical Reports Server (NTRS) · leaf 5
154 BBPOBT NO. 548 NATIONAL ADVISORY COMlVTTTTEEi FOR ABRONATJTICS tip (maximum ordinate points on upper surface in one > whicli is a plane) a negative dihedral angle of 1%°; whereas placing the straight portions of the lower surface in one plane measure of the directional stability, were about… … 40 O 8 16 24 32 -8 Angle of attack, a , degrees -.ao FiansE 11.—Efltet of devatlon shape of a one-ohord length rounded tip on rate of change of cross-wing fbrce and yawing-moment coefficients with angle of yaw. -.40 was equivalent to a negative dihedral angle of 2J^°. Above 15° angle of attack, the…
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