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Pitcairn
Harold Pitcairn had been the founder of an aeroplane manufacturing
company bearing his name and based at Willow Grove, Philadelphia, USA
He recieved a licence to build autogiros in the USA
after its founder had visited Juan de la Cierva in the
United Kingdom and his company was subsequently renamed
the Pitcairn Autogiro Company
More important to the US military aviation, Cierva and Pitcairn licenced the
Kellett Autogiro Corporation of Philadelphia to build autogiros and the
developed Kellett YG-1 of the late 1930s became the
US Army's first rotary-winged aircraft
After the company became the G & A Aircraft Division of Firestone,
the emergence of Bell and Sikorsky in a depleted post-war market discouraged
one of the most important early pioneers from continuing the helicopter development
in the early 1940s...
Models:
PCA-1 (one was build)
PCA-2 (First commercially licenced autogiro in the USA, 20 built)
PAA-1 (some 20 were build)
PA-18 (19 were build 1932-1933)
PA-19 (the largest autogiro in the USA)
PA-20 (1932),
PA-21 (1932),
PA-22 (1933),
PA-24 (1932),
PA-33 (1935),
PA-34 (1936),
PA-35 (1937),
PA-36 (1938)
and the PA-39
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