AERONAUTICS: Pitcairn-Autogiro

President Harold F. Pitcairn of Pitcairn Aviation, Inc., has found such promise in Juan de la Cierva's Autogiro that last week he organized Pitcairn-Cierva Autogiro Co. of America to develop the autogiro in this country.

In fuselage, tail structure, landing gear and propelling motor the autogiro is a typical airplane. But for wings it has four great vanes fixed on a vertical mast so as to revolve horizontally. They have no motor as have the horizontal propellers of helicopters.

As the propeller motor pulls the autogiro across a flying field the forward motion...

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