WORLDKINGS - On This Day - September 14, 2018 - World’s 1st practical helicopter, the VS-300 designed by Igor Sikorsky in 1939

14-09-2018

(Worldkings.org) America's first practical helicopter, it pioneered the single main rotor concept that became the predominant helicopter configuration throughout the world.

The principles that were developed and demonstrated by the VS-300 had direct application in the design of the early mass-production helicopter, marking the beginning of the world's rotorcraft industry.

The initial flight of the VS-300 was piloted by its designer, Igor I. Sikorsky (1889-1972), on September 14, 1939, in Stratford, Connecticut.

According to asne


Van Nguyen (collect ) - WORLD RECORDS UNION - WORLDKINGS ( source of photo : internet )

 

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