An-70 medium — range cargo (operational-tactical military transport) aircraft of the new generation of short take-off and landing. Antonov an-70 intended to replace the obsolete An-12. Performed on the aerodynamic configuration vintoventilyatorny four-engine turboprop high-wing monoplane with single-finned tail and tail cargo hatch.
The development of military transport aircraft (MTC) An-70began in 1986 After seven years of tactical and technical requirements specified, wherein, based on the need to transport a medium tank, the maximum capacity of the machine increased up to 47 T. the Peculiarity of the aircraft were four gas-turbine engine with coaxial propeller-fans and fly-by-wire control system. In the aircraft design is widely used composite materials.
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The helicopter rotary wing aircraft unit, which are necessary for flight lift and thrust generated by one or more rotors (propellers) driven by an engine or multiple engines. Almost every time the main rotor of the helicopter is equipped with a swash, which moves the center of pressure of the propeller for flight control (with the exception of some schemes with 3 or more rotors).
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One of the most popular Soviet postwar trucks became the GAZ-51 or, as it was called drivers, is “lawn”. Released in 1946, this 2.5-ton vehicle became the basis for many specialized vehicles — trucks, tractors, vans, tankers, cranes and buses. However, as time went on, and won the national love the truck gradually handed over their positions — the country needed a more powerful, higher gross weight and higher speed machine.
