Nicolas Florine
Encyclopedia
Nicolas Florine, born Nikolay Florin (19 July 1891 – 21 January 1972), was an engineer that built the first tandem rotor helicopter
Helicopter
A helicopter is a type of rotorcraft in which lift and thrust are supplied by one or more engine-driven rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forwards, backwards, and laterally...

to fly freely in Belgium in 1933. He was born in Batoum, Georgia.

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