Shvetsov ASh-21
The ASh-21 is basically a single-row version of the Shvetsov ASh-82. The ASh-21 also incorporates a number of parts from the ASh-62 radial engine. Design began in 1945, and by 1947 testing had finished and production had begun. Between 1947 and 1955 7,636 ASh-21 engines had been built in the USSR and beginning in 1952 it was produced in Czechoslovakia as the M-21.
Applications:
General Characteristics:
Components:
Performance:
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General Characteristics:
- Type: Seven-cylinder, air-cooled, single-row, radial engine
- Bore: 155.5 mm (6.12 in)
- Stroke: 155 mm (6.10 in)
- Displacement: 20.6 L (1,257 cu in)
- Dry weight: 487 kg (1,074 lb)
Components:
- Supercharger: Single stage, single speed, geared centrifugal supercharger
- Fuel system: Carburetor
- Cooling system: Air
Performance:
- Power output:
- 520 kW (700 hp) at 2,300 rpm takeoff power
- 459 kW (615 hp) at 1,700 m (5,580 ft)
- Specific power: 25.5 kW/L (0.56 hp/in³)
- Compression ratio: 6.4:1
- Power-to-weight ratio: 1.07 kW/kg (0.65 hp/lb)
Source(s):
Wikipedia
Gunston, Bill (2006). World Encyclopedia of Aero Engines: From the Pioneers to the Present Day (5th ed.). Stroud, UK: Sutton. ISBN 0-7509-4479-X.
Jane's Fighting Aircraft of World War II. London. Studio Editions Ltd, 1989. ISBN 0-517-67964-7
Wikipedia
Gunston, Bill (2006). World Encyclopedia of Aero Engines: From the Pioneers to the Present Day (5th ed.). Stroud, UK: Sutton. ISBN 0-7509-4479-X.
Jane's Fighting Aircraft of World War II. London. Studio Editions Ltd, 1989. ISBN 0-517-67964-7
