IGNITION WITHOUT PEREKREST

IGNITION WITHOUT PEREKRESTThe simultaneous launching of multiple model rocket engines presents a great challenge for modelers. Existing methods of ignition have several disadvantages; Perekrest does not allow you to launch multiple missiles for a short time (as the products of combustion clogging the tubes, burn the ends, etc.), as currently practiced method of ignition with the banks is a danger of explosion engines because of the filling of channel MRD pyrotechnic compositions.

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“PAPER JUMBO”

AWith the end of the Civil war in Russia and the formation of the Soviet Union began intensive development of commercial aviation. July 15, 1923, opened the first regular air line Moscow – Nizhny Novgorod. For three and a half months by air it was transported by 270 people. In the following year there was a line Odessa – Kharkov, Moscow – Kharkov, and others. The development of Civil aviation is objectively required the creation of a passenger aircraft. One of the developers of passenger “air carriers” was the aircraft factory No. 1, former “Dux”, where in 1925, the engineering team headed by H. H. Polikarpov, and A. A. Semenov established a five-plane PM-1.

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SISTER OF “SEVEN”

Rocketmodeler syut suburban town of Elektrostal Matthew Ivashchenko with the model-copy of the R-9AWith the proposal of developing a new Intercontinental ballistic missile operating on liquid oxygen and kerosene, and in 1958 was made by the Council of Chief designers. While its weight was not to exceed 100 tons, which is almost three times less than the starting mass of the rocket R-7 – the famous “seven”.

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LITTLE MICRO-CAR “BUDDY”

LITTLE MICRO-CAR Little micro-car “Buddy” machine… for kids. It was created in a laboratory experimental simulation and design Club for young technicians Novosibirsk Akademgorodok. Despite its small size, it all like a real car: engine, transmission, driveshaft, closed rear axle with a differential and other components.

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IN WINTER — SNOWMOBILE, IN SUMMER — AIR SUSPENSION

WINTER — SNOWMOBILE, IN THE SUMMER — PNEUMATICSuch a transformation that my construction readily admits. Moreover, the possibility of replacement ski floats, making it easy to turn a land car in “waterfowl”. Flat “breaking” the frame of the snowmobile hromansilevyh welded from pipes. The front part is a double cabin crew back — powerplant based on the engine of the motorcycle “Dnepr”. The cabin has a roll cage and aluminum siding.

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