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Free-Flight-Tunnel Investigation of the Effect of Mode of Propeller Rotation upon the Lateral-Stability Characteristics of a Twin-Engine Airplane Model with Single Vertical Tails of Different Size

Marvin Pitkin

Abstract

Report presenting an investigation of the effect of direction of propeller rotation on the dynamic lateral stability characteristics of a twin-engine airplane model equipped with single vertical tails of three different sizes. The effects of flap deflection and amount of power were also studied. The most satisfactory lateral-stability characteristics of the model in flight were encountered for the model with large vertical-tail areas.

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Key concepts: Airplane, Propeller, Deflection (physics), Rotation (mathematics), Structural engineering, Engineering, Mechanics, Marine engineering