Wartime Report: Series L, Issues 600-604NACA, 1944 - Aeronautics |
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Common terms and phrases
aileron control aileron deflection aileron stick force angle of attack Bell P-39D-1 airplane Bell P-63A-1 airplane center-of-gravity positions Change in total clean condition COMMITTEE FOR AERONAUTICS control characteristics correction curve directional stability dorsal fin downwash enlarged vertical tail flaps and gear horizontal tail inches indicated airspeed Langley Field level flight lift coefficient longitudinal stability maximum mean aerodynamic chord miles per hour NACA NATIONAL ADVISORY COMMITTEE normal acceleration normal rated power original vertical tail P-63 airplane percent M.A.C. percent MAC plane of symmetry pounds power 2600 RPM power-off radian rated power 2600 rearward rolling velocity Rudder angle Rudder force Rudder pedal force shown in figure Sideslip angle Sideslip characteristics slip angle slipstream spin sq ft stability and control stabilizer incidence stick-force gradient stick-free straight flight stress-strain curves thrust axis total aileron angle trim tab turning flight upwash velocity V₁ vertical-tail loads yawed model