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History:    Helicopters | UAVs | Compound | Geeps | Heavy Lift | Future | Piasecki first

History - Single rotor & tandem helicopters

Model Brief description

    Year

PV-1 Fan Jet Tail Reactor 1940
PV-2 First US helicopter with dynamically balanced blades and cyclic control 1943
XHRP-X World's first successful tandem rotor helicopter 1945
HRP-1 World's first transport helicopter in production 1947
HRP-2 Improved version of HRP-1, aerodynamically streamlined all-metal fuselage 1949
XHJP-1 (HUPs) First overlapped tandem rotor helicopter 1948
H-21 "Workhorse" for the services 1952
YH-16, YH-16A World's largest helicopter 1953, 1955

 

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Piasecki Aircraft Corporation 2000-2001