Attack aircraft Yak-36, created by Soviet designers, the first prototype of the Soviet Union, which has a system of vertical takeoff. This machine had planned to use on aircraft carriers.
History of the attack aircraft Yak-36
By the end of the project started in 50-ies in the Yakovlev Design Bureau. The main task was to develop an effective system of vertical takeoff. To translate these objectives into reality, it was designed turbojet engines such as P-19-300. Originally it was planned to use two data engine thrust 3200 kgs and one marching capacity 900 kgs. In parallel with this option were developed two projects with different arrangement of lifting equipment. As a result, designers of improvements has been received a new aircraft project, which is designated as a "product B", and in the future Yak-36. At this time, the UK has created a similar plane, but with a different arrangement of the lift installations. The project was led SG Mordvinians with support engineer OA Sidorova.
For the first time in the air Yak-36 1964 year rose in the summer, but the flight began and ended with a running mileage. There was a vertical take-off, as designers could not accurately predict how the car will behave in such a flight. Soviet VTOL birthday is March 24 66 years since this day attack aircraft Yak-36 performed the first vertical take-off and flying a circle, and then made a prosperous vertical landing.
The general public is presented in a new car 67 year in the aviation parade in Domodedovo. Then the wings of the aircraft were fitted dummies possible weapons, it was done because of the light-duty machine. In the future, engineers have finalized a set of systems of ground attack that resulted in the receipt of such aircraft as the Yak-38. It should also be noted that based on the Yak-36 has developed many different versions. And the most important thing was that the Soviet designers have gained experience in creating aircraft with vertical takeoff.
Design features of the Yak-36
With the lifting and installation of the main engines on the apparatus needed to install the jet rudders. They had a great draft, one of them was located on the bar for the machine frame. This arrangement rudders help to keep the aircraft in hover. Propulsion motors were placed in front of the body, and their nozzles to be displayed on the center of gravity of the machine. To facilitate the work of the pilot's rudder is controlled automatically by the system. For ramp-up after lifting the machine performed turn the nozzles in a horizontal plane.
Due to this configuration of the power plant constructors were used bicycle landing gear. The chassis consisted of three pillars. Front support had driven one wheel and two rear support - on two wheels each. The machine frame is made of semi-monocoque scheme. Wings fitted with flaps spar. The innovation was to improve the ejection system in emergency situations. The evacuation was carried automatic pilot without his participation. There was a automatic control of the aircraft at near-zero rates.
For the tests, it was built four Yak-36, everyone had to perform certain tasks. The first apparatus used for testing the strength of the design, a second test is performed on a copy of vertical takeoff and landing. The third Yak-36 crashed during testing, it is when the system breaks down, the landing gear. Before the accident, he practiced efficiency of jet rudders. Through these tests failed to organize optimal performance jet rudders and stabilize the machine hover. The fourth car was directly used for the flight test.
|Aircraft Length m||16.4|
|Wing area, m2||17.00|
|engine's type||2 turbojet P-27-300|
|Link unforced, kgf||X 2 5000|
|Maximum speed km / h|
|near the ground||900|
|Practical ceiling, m||11000|
|Armament:||Combat load up 2000 kg.|
|UR-air R-60M, NUR, bomb|
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