By Yefim Gordon
;OKB Tupolev A background of the layout Bureau and its plane КНИГИ ;ВОЕННАЯ ИСТОРИЯ Автор: Yefim Gordon & Vladimir Rigmant Название: OKB Tupolev A background of the layout Bureau and its plane Издательство: Midland Год: 2005 Формат: pdfРазмер: 149 мб Для сайта: www.mirknig.comA historical past of the layout Bureau and its plane Yefim Gordon & Vladimir Rigmant The origins of the layout bureau that was once to endure his identify may be traced again to the appointment of Andrey Nikolayevich Tupolev as head of the TsAGIs Aviation division in 1918. through the years, approximately three hundred tasks have developed in the OKB.hotfileturbobit zero
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Extra info for OKB Tupolev: A History of the Design Bureau and its Aircraft
Belyaev, N. S. Nekrasov, E. I. Pogosskiy and A. A. Yengibaryan were responsible for the various assemblies and systems, with Boris A. Saukke acting as chief engineer. The technical requirements were confirmed in January 1933 and a draft design examined in April. The project included the option of using the ANT-20 as a propaganda, passenger, transport or bomber aircraft. It was also to be able to serve as a mobile headquarters for the upper echelon of military and political leaders. As mentioned above, the design was based on the ANT-16 (TB-4) project but was to carry 1,500 kg more payload and operate from relatively small airfields with a take-off run of no more than 300-400 m instead of the TB-4's 800 m.
Particular attention was paid to the aircraft's equipment. For the first time on a heavy aircraft the control system used rigid linkages and a variable-incidence tailplane with electrical remote control. The flight and navigational equipment, which included an autopilot for the first time on a Soviet aircraft, enabled the aircraft to operate by day or night and even land at night on unpaved airstrips. The central generator provided both alternating and direct current; the three-phase 127 V/50 Hz AC powering all the equipment (film projector, radios, printing press, floodlight and so on) was also used for the first time on a Soviet aircraft.
In December 1929 the OGPU (United State Political Administration, that is, secret service) organised the Special Design Bureau staffed by arrested aviation specialists under Dmitriy P Grigorovich and Nikolay N. Polikarpov at Moscow's Butyrka prison. In record time the internees produced the I-5 which equalled the very best foreign fighters of the period. The I-5 prototype (VT-11) made its first flight on 29th April 1930 and the fighter was placed in production that year. This was the first experiment in obtaining new aviation technology by using highly-qualified internees.