Kellet
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Kellet XR-3
The Kellet XR-3 was an experimental autogyro who was used as a flying test bed for rotor blades and components to be used on Kellett XR-8. -
Kellet XR-8
The Kellett XR-8 was a helicopter built in the United States during World War II. Only two were built. First flight in August 1944. -
Kellet YO-60
The Kellet YO-60 was an reconnaissance and observation autogyro. Six copies were built in 1942.