Effects of ground proximity on the thrust of a simple downward-directed jet beneath a flat surface

von Spreemann, Kenneth P.
Veröffentlicht 1958

Static force tests of several annular jet configurations in proximity to smooth and irregular ground

von Davenport, Edwin E.
Veröffentlicht 1959

Effects of propeller position and overlap on the slipstream deflection characteristics of a wing-propeller configuration equipped with a sliding and flower flap

von Hayes, William C.
Veröffentlicht 1958