Science, asked by tapankumar1482, 5 months ago

who proposed the helicopter model

Answers

Answered by ItzMrAlcohol

0

Answer:

Sikorsky

Explanation:

Answered by sivasmart2222

0

Answer:

Igor Sikorsky

On September 14, 1939, the VS-300, the world's first practical helicopter, took flight at Stratford, Connecticut. Designed by Igor Sikorsky and built by the Vought-Sikorsky Aircraft Division of the United Aircraft Corporation, the helicopter was the first to incorporate a single main rotor and tail rotor design.

Explanation:

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