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Li-2

Li-2
Lisunov Li-2 Soviet AF Monino 1994.jpg
Lisunov Li-2 of Soviet Air Force at Monino near Moscow in August 1994
Role Cargo/passenger utility aircraft and light bomber
National origin Soviet Union
Manufacturer GAZ
Introduction 1939
Primary users Soviet Air Force
Aeroflot, and exported to 14 countries
Produced 1939-1952
Number built 6,157 (per latest research 4,937 )
Developed from Douglas DC-3

The Lisunov Li-2, originally designated PS-84, was a license-built version of the Douglas DC-3. It was produced by Factory #84 in Moscow-Khimki and, after evacuation in 1941, at TAPO in Tashkent. The project was directed by aeronautical engineer Boris Pavlovich Lisunov.

The Soviet Union received its first DC-2 in 1935. Although a total of 18 DC-3s had been ordered on 11 April 1936, the government of the USSR purchased 21 DC-3s for operation by Aeroflot before World War II. A production license was awarded to the government of the USSR on 15 July 1936. Lisunov spent two years at the Douglas Aircraft Company, between November 1936 and April 1939 translating the design. One of the engineers who accompanied him to Douglas was Vladimir Mikhailovich Myasishchev. Design work and production were undertaken at State Aviation Factory 84 in Khimki (now a suburb of Moscow). The Soviet version was given the designation PS-84 - Passazhirskiy Samolyot 84, passenger airplane 84 (i.e. made in GAZ/State Plant No. 84).

Despite the original intention to incorporate as few changes as necessary to the basic design, the GAZ-84 works had to make some 1,293 engineering change orders to the original Douglas drawings, involving part design, dimensions, materials and processes, most as a part of metrication of the design from U.S. customary units to suit Soviet standards., no small task for Vladimir Myasishchev to accomplish. The well-established Shvetsov design bureau, responsible for the great bulk of the Soviets' air-cooled radial aviation powerplant designs of the 1930-40s, used their Shvetsov ASh-62IR radial engines, a Soviet development of the nine-cylinder Wright R-1820 Cyclone 9 for powering the PS-84 — the same Wright Aeronautical Cyclone 9 radial also powered the earliest Douglas DST "Sleeper Transport" versions and initial 21-passenger versions of the original American DC-3 airliner.


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