johnbr

Sikorsky_YR-4BHNS-1

Sikorsky YR-4BHNS-1 taken in 1944, one of Langley Research Center's Sikorsky YR-4B/HNS-1 helicopters is seen in the 30 x 60 Full Scale Tunnel. A technician sets up camera equipment for stop-action rotor-blade photos. Date 1944.

Sikorsky_YR-4BHNS-1
johnbr, Apr 8, 2013
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  • Category:
    Helicopters
    Uploaded By:
    johnbr
    Date:
    Apr 8, 2013
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