Shvetsov ASh-62
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The Shvetsov ASh-62 (designated M-62 before 1941) is a nine-cylinder, air-cooled, radial aircraft engine produced in the Soviet Union. It was a development of the Wright Cyclone that had been built there under licence as the M-25, the main improvements including a two-stage supercharger and a more efficient induction system. Power was increased from the Cyclone's 775 hp to 1,000 hp. First run in 1937, licenced versions are still in production by WSK "PZL-Kalisz" in Poland as the ASz-62 (as of 2007). The Ash-62 was also produced in China. It is estimated that 40,361 were produced in the USSR.
Polish-built ASz-62IR are compatible with FAR-33 requirements. Further development in Poland are K9-AA, K9-BA and K9-BB engines, with take-off power 1178 hp (860 kW), indicated power 698 kW. The K9-BA engine might be fitted to DC-3 Dakota.
[edit] Specifications (Shvetsov ASh-62)
General characteristics
- Type: 9 cylinder air cooled radial engine
- Bore: 155.5mm (6.12 in)
- Stroke: 174.5mm (6.87 in)
- Displacement: 29.87 Liters(1,822 cu in)
- Dry weight: 520kg (1,146 lb)
Components
- Supercharger: Single stage two speed
- Cooling system: air-cooled
Performance
- Power output: 1,000hp (736 kW)
- Compression ratio: 6.4:1
[edit] Applications
- Antonov An-2
- Antonov An-6
- Lisunov Li-2
- Neman R-10
- Polikarpov I-153
- Polikarpov I-16
- PZL-106 Kruk (some variants)
- PZL-Mielec M-18 Dromader
- PZL M-24 Dromader Super (K-9AA)
- Sukhoi Su-2
- Sukhoi Su-12
[edit] References
- Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens, 154.
- Russian Aviation Museum
- Venik's Aviation
- Kotelnikov, Vladimir (2005). Russian Piston Aero Engines. Crowood Press Ltd., p.119-122.
[edit] External links
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