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During the 1930's.
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Earn +20 ptsQ: When did Igor Sikorsky start inventing the helicopter?
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Who was the inventor of helicopter?
Igor Sikorsky invented the helicopter.
What Igor Sikorsky invented?
helicopter
Who was the Russian that invented the helicopter?
Igor Sikorsky
Who first built the helicopter?
Igor Sikorski built the first practical helicopter
Who built and flew the first helicopter?
Igor sikorsky
Related questions
Did igor sikorsky become famous?
Igor Sikorsky became and still IS famous for inventing the first practical helicopter.
Who is credited with inventing the first mass-produced helicopter?
A. Igor Sikorsky
Who is credited with inventing the 1st mass-produced helicopter?
Igor Sikorsky
Who is credited with inventing the first mass produced helicopter?
Igor Sikorsky
How did Igor Sikorsky come up with the idea of inventing the helicopter?
He was inspired at the age of 11 by a novel called Robur the Conqueror
Who was the inventor of helicopter?
Igor Sikorsky invented the helicopter.
What Igor Sikorsky invented?
helicopter
Where did Igor Sikorsky invent the helicopter?
where did
Who developed the firts helicopter?
Igor Sikorsky did.
Who was the father of the modern helicopter?
Igor Sikorsky
Who was the Russian that invented the helicopter?
Igor Sikorsky
Who invented the modern helicopter?
igor sikorsky
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