Tu-22

Tu-22The Tu-22 was designed to replace the Tu-16. The design of the new aircraft under the symbol “105” was initiated in the Tupolev 15 August 1955 and August 1957 was completed construction of the prototype. 21 Jun 1958 “105” made its first flight. Since 1957, he designed an improved prototype, “105A”, which became the prototype of the Tu-22. The Tu-22 were built at the Kazan plant № 22 from the beginning of 1959 to December 1969. It was built 311 aircraft of this type (modification of the Tu-22 and Tu-22B, scout the Tu-22R, Tu-22K, jammer Tu-22P and training aircraft Tu-22U).

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KHARKIV MOTORCYCLES

KHARKIV MOTORCYCLESBy the early 1930s, one of the centers of the nascent Soviet motorcycle could be the city of Kharkov. Here in the capital of Soviet Ukraine, on the territory of the former sugar factory was organized car Assembly plant – HAZ, was introduced in the “Automotiveaddicts” Association “Ukrnet”.

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PRINTOUT “BOOK”

PRINTOUT Information stored in the computer, it is sometimes necessary to put on paper. The result typically looks like a stack of A4 sheets, stapled one side with a stapler. But easier would be to have a printout in the form of smaller format books, a small notebook of nested into each other bent sheets, or (if the pages of many) of several such notebooks, stitched together. How can that be?

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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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TO EMERGE IN A GIVEN SQUARE!

EMERGE IN a GIVEN SQUARE!Model submarine class EATING has always been one of the most interesting, especially for juniors. Such “free-floating” model require from the constructor of ship models awareness of the ships are prototypes, ability to work with the most modern materials and equipment, knowledge of basic fluid dynamics, electrical engineering and electronics.

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SIKORSKY H03S (S-51) DRAGONFLY

SIKORSKY H03S (S-51) DRAGONFLYIgor Sikorsky, an outstanding Russian aircraft designer and industrialist, was one of the pioneers of aviation in Russia. Characteristically, the first aircraft built by Sikorsky in the years 1908-1911 was the coaxial helicopters. Powerful enough engines don’t allow these helicopters to take off, but sympathy for these unusual cars he kept for life.

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THE STUDS ON THE PATTERNS

SPIKES — ON THE PATTERNSIn the manufacture of furniture and then have to drill, cut or hollowed holes to connect the wooden piece. For this we first have to perform a large number of marking operations. To facilitate these preparatory operations will use the simplest patterns, which are easy to manufacture from thin cardboard.

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