igor sikorsky the s 300
Many people contributed ideas, but Igor Sikorski made the first successful helicopter
Many people, but Igor Sikorski made the first successful one.
Igor Sikorski constructed the first successful modern helicopter
The first helicopter was made in 1909.
Igor Sikorsky did.
Igor Sikorsky!:))))
The first Helicopter was made by Igor Sikorsky, in 1939.
No, the first practical helicopter was made in 1941.
Many people had a hand in inventing different helicopters. Igor Sikorski made the first successful one.
The first piloted helicopter was invented by Paul Cornu in 1907 and it was not successful. One of the first successful helicopters was built by Etienne Oehmichen in 1924 and flew for 1 kilometer.
In Stanford, Conn.
Igor Sikorsky made the first practical helicopter