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Igor Sikorsky was one of many helicopter inventors. He was the one who invented a helicopter that used a tail rotor to counteract the thrust of the main rotor, and he was able to build one with a strong enough engine, an efficient enough rotor, and a light enough airframe. So his helicopter became the first successful commercially produced helicopter.
What else can I help you with?
What Igor Sikorsky invented?
helicopter
Who was the inventor of helicopter?
Igor Sikorsky invented the helicopter.
Who was the Russian that invented the helicopter?
Igor Sikorsky
Who was the original inventor of the helicopter?
Igor Sikorsky invented the first practical helicopter.
When and where was the first helicopter design made and who invented it?
Igor Sikorsky
What Igor Sikorsky invented?
helicopter
Who was the inventor of helicopter?
Igor Sikorsky invented the helicopter.
Who invented the modern helicopter?
igor sikorsky
Who was the Russian that invented the helicopter?
Igor Sikorsky
Who invnted the helicopter?
Igor Sikorsky invented the first practical helicopter
Who invented he helicopter?
Igor Sikorsky invented the first practical helicopter around 1940
Who was the original inventor of the helicopter?
Igor Sikorsky invented the first practical helicopter.
Who first invented the helicopter?
Igor Ivanovich Sikorsky in 1925
When and where was the first helicopter design made and who invented it?
Igor Sikorsky
Who invented the Black Hawk helicopter?
Igor Sikorsky co. did.
What did Igor Sikorsky invent in 1930?
In the 1930's he invented the helicopter
Who invented the helicopters in the 1930s?
Igor Sikorsky created the first successful helicopter
