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theme 34 and Subject 17. Anniversaries of Soviet developments stratospheric fighters and scouts

Half a century ago Minaviaprom USSR (and at one time this was in our country) issued an order, where it instructed to deploy the necessary range of research and experimental work on the choice of options for creating a promising aviation complex interception automatic drifting balloons (Falls again). Then the project was code "Subject 34" and has found terms of reference for developers.

Across 2 of the year (at 1970 year) the project was transformed into a research work on the creation of a special high-altitude aircraft interceptor ADSs at a minimum speed of convergence with the objectives in the stratosphere. Code project pereoboznachyly: "Subject 17".

Тема 34 и Тема 17. Юбилеи советских разработок стратосферных истребителей и разведчиков

The experimental design bureau under the guidance system of adaptive V.Myasischeva mechanization of the wing has been designed, that could change not only its surface area at working height, but also profile. This took into account the need to use ultra-low speeds altitude fuze, which would have destroyed the shell drifting balloon.

Which engine then decided to apply for the PAK falls? It is designed primarily for the RD-36, Tu-144, which is characterized by high weight. To be more precise - the, it was planned to apply for PAC falls - a modification of the RD-36-51A fixed nozzle for high-altitude flight. The engine developed a thrust 68,6 kN. And it became the basis for the realization of the project of the aircraft M-17 (one of the planes – I called "Stratosphere", so we began to call the project itself), which eventually turned into a M-55 "Geophysics". Engine development led the remarkable Soviet designer Peter Kolesov.

45 years ago - in 1973 year - the construction of the M-17 begins to engage in a helicopter factory in Kumertau (Bashkiria). But it is in the plans. In fact, the plant workers to work only started after 4 of the year.

Тема 34 и Тема 17. Юбилеи советских разработок стратосферных истребителей и разведчиков

And in 1978 year (and an anniversary again) aircraft brought to the test site. Event, true, it was a tragic. The aircraft was prepared for engine testing in a taxiing. On "Vorotynovka" airport as a result of an unplanned situation, disaster strikes, which resulted in killed test pilot Cyrus Chernobrovkin.

The first successful flight tests of M-17 "Stratosphere" were held in 1982 year at Zhukovsky airfield. After, Soviet stratospheric like M-17 steel levitate, at the same time start to come to naught the very cause of their development. The thing is, that the US no longer use automatic drifting balloons.

Pilots installed on M-17 25 world records, use them to study the stratosphere layers was carried out, including the impact of stratospheric effects on the parameters of piloting.

Two aircraft M-17 "Stratosphere" are in the aviation museum in Monino.

Тема 34 и Тема 17. Юбилеи советских разработок стратосферных истребителей и разведчиков

The first flight of the spy plane project M-55 “geophysics” held in August 1988 of the year.

Planes Project M-55 "Geophysics" solve a wide range of tasks, eg, in Meteorology. So, this plane helps to study processes in the Asian monsoon and ionization processes in the Earth's upper atmosphere.

                          
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