A flight investigation of the spinning of the NY-1 airplane with varied mass distribution and other modifications, and an analysis based on wind-tunnel tests (1934)
NASA Technical Reports Server (NTRS) · leaf 10
47 A FLIGHT INVESTIGATION OF THE SPINNING OF THE NT-l AIRPLANE .04 X0* c S O ■*r.oe 10 20 30 40 50 60 70 80 5 Angle of attack, degrees Fiqube IS.—Computed aerodynamlo and gyroscopic yawing-moment coefficients, elevator up 33°, ballast at c g. -88 $-86 0 10 80 30 40 50 60 70 80 Angle of attack,… … 70 80 20 30 40 50 60 10 Angle of attack, degrees Angle of attack, degrees Fioube 12.—Computed aerodynamic and gyroscoplo pltchlng-moment coefficients' Fioube IS.—Equilibrium of three moments, elevator down 26°, ballast at e. g. elevator up 33°, ballast at c a.
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