George de bothezat biography channel 6

His scientific interests gradually moved from general aerodynamic theory to applied studies of propellers. In , de Bothezat published standard bombing tables for the Air Forces, and in he was appointed chief of the Main Airfield in Saint Petersburg — Russia's first flight research facility. He managed the design team of the DEKA aircraft plant in Saint Petersburg, and was credited with the design of a single-engined aircraft that was tested in The quadrotor helicopter , known simply as the de Bothezat helicopter , was built by de Bothezat and Ivan Jerome in the hangars of Wright Field near Dayton, Ohio.

Bothezaat a congratulations for a successful helicopter test flight. Edison wrote, "So far as I know, you have produced the first successful helicopter. The US Army, now more interested in autogyros , cancelled the underperforming project. De Bothezat returned to New York City and started his own business in making industrial fans, which was incorporated in as de Bothezat Impeller Company, Inc.

He continued publishing essays on topics ranging from flight dynamics to economics of the Great Depression.

Where was igor sikorsky born

In de Bothezat returned to designing and building helicopters. Boris Sergievsky , former test pilot of Sikorsky Aircraft , became de Bothezat's partner and test pilot. However de Bothezat, who was also designing a one-man " personal helicopter " for infantrymen, [ 20 ] died before the SV-5 could be properly tested. Contents move to sidebar hide.

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