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Shvetsov ASh-62

Soviet radial piston aircraft engine

Field	Value
name	ASh-62
image	File:Neunzylinder-Sternmotor Schwezow ASch-62.jpg
engine_type	Radial engine
manufacturer	Shvetsov
first_run	1937
major_applications	Antonov An-2, Polikarpov I-153, Polikarpov I-16, Lisunov Li-2
number_built	40,361
developed_from	Shvetsov M-25
developed_into	Shvetsov ASh-82

The Shvetsov ASh-62 (Russian: Швецов АШ-62, designated M-62 before 1941) is a nine-cylinder, air-cooled, radial aircraft engine produced in the Soviet Union. A version of this engine is produced in Poland as the ASz-62 and the People's Republic of China as the HS-5.

Design and development

The ASh-62 was a development of the Wright R-1820 Cyclone that had been built in Russia under licence as the Shvetsov M-25, the main improvements including a two-speed supercharger and a more efficient induction system. Power was increased from the Cyclone's 775 hp to 1,000 hp. First run in 1937, licensed versions are still in production by WSK "PZL-Kalisz" in Poland (as of 2017). The Ash-62 was also produced in China. It is estimated that 40,361 were produced in the USSR.

Polish-built ASz-62IR engines (Polish transcription of Russian name), by WSK "PZL-Kalisz" in Kalisz, are compatible with FAR-33 requirements. Further developments in Poland are the K9-AA, K9-BA and K9-BB engines, with take-off power of 1178 hp (860 kW), indicated power 698 kW. From 2015 the ASz-62IR-16E was produced with electronic fuel injection, offering greater power and the possibility of running on commercial automotive fuel.

The M-63 was an improved version of the M-62 with the power output increased to 821 kW (1,100 hp) at 2,300 rpm for takeoff and 671 kW (900 hp) at 2,200 rpm at 4500 m due to a higher compression ratio of 7.2:1 and a higher redline.

Applications

Antonov An-2
Antonov An-6
Beriev Be-4
Lisunov Li-2

Kharkiv KhAI-5
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 (prototype)
Sukhoi Su-12
VL Myrsky (one prototype)

Specifications (M-62)

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746 kW (1,000 hp) at 2,200 rpm for takeoff
634 kW (850 hp) at 2,100 rpm at 4,200 m (13,780 ft) |power/weight=1.3 kW/kg (.81 hp/lb)

References

Notes

Bibliography

References

Gruszczyński, Jerzy. ''W pierwszej lidze dostawców'', "Lotnictwo Aviation International" Nr. 9/2017, p. 34-37 (in Polish)
Liss 1966, p. 9

Info: Wikipedia Source

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1930s-aircraft-piston-engines aircraft-air-cooled-radial-piston-engines shvetsov-aircraft-engines

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