who has invented the first helicopter
Answers
Answered by
0
Answer:
1.Igor Sikorsky
2.Paul Cornu
3.Arthur M. Young
Explanation:
1.Igor Sikorsky was an Air craft designer.
2.Paul Cornu was a French engineer.
3.Arthur M. Young was American inventor
Hope this will help you
Answered by
2
Answer:-
Igor Sikorsky
Explanation :-
On September 14, 1939, the VS-300, the world's first practical helicopter, took flight at Stratford, Connecticut.
Designed by - Igor Sikorsky
Built by- the Vought- Sikorsky
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