kellett_xr-8.zip

  1. baldy

    Kellett_XR-8.zip 2024-05-01

    Kellett XR-8 helicopter. Two aircraft built and flown during 1944 and onwards to test the synchronised rotor system for helicopters. While not completely successful - blades actually touched on a couple of occasions the the concept was used by others notably Kaman. Apart from the rotor blur...
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