137 years ago, on November 10, 1889, Boris Nikolayevich Yuriv was born, aircraft designer, inventor of the main wheel plate for helicopters.
Yuriev began studying aviation in 1907, and became an active member of the N.E. aeronautics club. Zhukovsky. He chose helicopters as his main field of activity; However, Yuriev was also involved in aircraft. In 1911 he applied for a patent for the system, without which it is impossible to imagine a helicopter. We are talking about the wheel plate of the main rotor. The swashplate is the mechanism that controls the main rotor of a helicopter. It provides control over the helicopter's horizontal and vertical movement, as well as its roll and pitch; To do this, the machine periodically changes the installation angle of each propeller blade depending on where the blade is at a certain point in time during the propeller rotation as a whole.
The helicopter offered by Yoriv had a classic design, i.e. with one main rotor and one tail rotor. He didn't build a full-fledged helicopter, but his model sparked interest. Participant in the First World War, captured in 1915, from which he returned in 1918. In 1919 Yoriv started working at TsAGI. Here he led the group that laid the foundations for the experimental aerodynamic department.
The dream of creating a helicopter has never left Yuri. In 1926, he led a group that began to develop a helicopter according to his design. This is how TsAGI was born, the first successful home helicopter. By ordering the popular congestion of the Soviet aviation industry from December 17, 1939, OKB-3 was established, which led Boris Nikolaevich for several months. It was the first home design office that was directly involved in the development of helicopters. Then he left the job of OKB-3, and I.P. It became the new head. The knife. In August 1941, the first tests of the hepatitis B-11 were conducted.