The Kellett XR-8 (later redesignated XH-8) was a helicopter built in the United States during World War II. It was a two-seat machine intended to demonstrate...

The Kellett XR-10 was a military transport helicopter developed in the United States in the 1940s that only flew in prototype form. It was designed in...

The Kellett KD-1 was a 1930s American autogyro built by the Kellett Autogiro Company. It had the distinction of being the first practical rotary-wing...

intermeshing designs have two blades per mast, although exceptions such as the Kellett XR-10 with three blades per mast do exist. The arrangement was developed...

The Kellett Autogiro Corporation was an American aircraft manufacturer from 1929 based in Philadelphia, named after founder W. Wallace Kellett. The Kellett...

Department that the XR-1 be evaluated against the Stinson YO-54 and the Kellett YG-1B autogyro. Following several months of ground testing, the XR-1 conducted...

1941 1 tailless glider Kawasaki Ki-78 Japan 1942 1 high speed flight Kellett XR-8 United States 1944 2 intermesh rotor helicopter Lippisch DM-1 Germany...

XPQ-15 Doman LZ-1A Doman Pelican Fairchild XUC-86B Fleetwings XBQ-1 Kellett XR-8 Sikorsky R-6 Data from [citation needed] Type: 6-cylinder air-cooled...

The Kellett K-2 was a two-seat autogyro developed in the United States in the early 1930s. Later examples were designated K-3 and K-4 when equipped with...

USAF. Possibly it was meant to be USAAF (U.S. Army Air Force). "Platt-LePage XR-1 | National Air and Space Museum". Retrieved 2024-02-03. "Sikorsky R-4B Hoverfly"...