FLIGHT TESTS OF A MODEL OF A HIGH-WING TRANSPORT VERTICAL-TAKE-OFF AIRPLANE WITH TILTING WING AND PROPELLERS AND WITH JET CONTROLS AT THE REAR OF THE FUSELAGE FOR PITCH AND YAW CONTROL

摘要

An Investigation of the stability and control of a high-wing trans¬port vertical-take-off airplane with four engines during constant-altitude transitions from hovering to normal forward flight was con¬ducted with a remotely controlled free-flight model. The model had four propellers distributed along the wing with thrust axes in the wing chord plane, and the wing, which was pivoted at 15 percent mean aerodynamic chord, could be rotated to 90° incidence so that the propeller thrust axes were vertical for hovering flight. Jet-reaction controls at the rear of the fuselage provided pitch and yaw control for hovering and low-speed flight. The wing had a trailing-edge flap which was undeflected for one series of tests and deflected 30° for another series.