Rocket 07. Drawing, description

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Rocket 07. Tips for a modeller

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Rocket "07" - the first rocket, which was worked on by the 2nd brigade of the GIRD (Jet Propulsion Study Group), led by M.K. Tikhonravov.

Before joining the GIRD, M. K. Tikhonravov gained extensive experience in the development of original aircraft structures and transferred aviation principles to rocket technology. That is why "07" had a very unusual shape and, as a result, an unusual arrangement of equipment.

A characteristic feature of the rocket was that the combustion chamber was located in its upper part. This gave it greater stability in flight, since the center of thrust with the engine running was higher than the center of gravity. Fuel tanks (two with liquid oxygen and two with kerosene) were mounted in the cavities of the stabilizers, which were interconnected at the head of the rocket.

The frame of the rocket was made of sheet aluminum and profiles with flanged holes to give the structure rigidity. External covering - sheet aluminum.

According to initial calculations, with a weight of 24 kg, "07" was supposed to rise to a height of about 10 km, after which the kick-off machine worked, which threw a parachute out of the head part, and the rocket smoothly descended to the ground.

Rocket "07" was designed with a special engine. However, shortcomings in the cooling system prevented its use in experiments. There was an attempt to put the engine from the GIRD-X rocket with the index "10", but it did not develop sufficient thrust either. In the future, they decided to use the already worked out engine "02", and flight tests were carried out with it.

Estimated data of the rocket "07":

Starting weight, kg - 35
Fuel reserve, kg - 10
Payload, kg - 2
Engine thrust, kg - 85
Specific thrust, kg / s - 187
Working time, s - 22
Full length, mm - 2010
Span of stabilizers, mm - 1074
Maximum flight range, m - 400

Rocket "07": 1 - nose fairing, 2 - fairing release device, 3 - place for parachute, 4 - pressure accumulator (cylinder with compressed air up to 150 atm), 5 - instrument compartment, 6 - pressure reducing valve, 7 - pipeline , 8 - fuel sprayer, 9 - fuel tank, 10 - liquid oxygen tank, 11 - spar (longitudinal stiffness), 12 - jet engine "02", 13 - rib, 14 - fuel supply pipeline, 15 - oxygen supply pipeline to combustion chamber, 16 - stabilizer, 17 - stabilizer casing, 18 - stabilizer tip

All elements of the rocket were ready in 1933, and in June they began to test and debug them. In view of the fact that forced work on the 09 rocket began, the refinement of the 07 was temporarily stopped and resumed only in August 1933 after the launch of the 09.

In October of the same year, the first fire tests of the propulsion system were carried out, and in the summer of 1935 they made two attempts to launch a rocket. And if at the first attempt the flight of the rocket was unstable due to some damage to the skin, then when it was restarted, the flight was normal. The rocket rose vertically and disappeared from view. The place of her fall could not be found.

Author: V.Andreev

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