The Shvetsov ASh-62 (Russian: АШ-62, designated M-62 before 1941) is a nine-cylinder, air-cooled,

radial Radial is a geometric term of location which may refer to: Mathematics and Direction * Vector (geometric), a line * Radius, adjective form of * Radial distance (geometry), a directional coordinate in a polar coordinate system * Radial set * A ...

aircraft engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Aircraft using power components are referred to as powered flight. Most aircraft engines are either piston engines or gas turbin ...

produced in the

Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

. A version of this engine is produced in Poland as the ASz-62 and the

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

as the HS-5.

Design and development

The ASh-62 was a development of the

Wright R-1820 Cyclone The Wright R-1820 Cyclone 9 is an American radial engine developed by Curtiss-Wright, widely used on aircraft in the 1930s through 1950s. It was produced under license in France as the Hispano-Suiza 9V or Hispano-Wright 9V, and in the Soviet Uni ...

that had been built in Russia under licence as the

Shvetsov M-25 The Shvetsov M-25 was an aircraft radial engine produced in the Soviet Union (USSR) in the 1930s and 1940s, a licensed production variant of the Wright R-1820-F3. Design and development The first M-25s were produced from kits imported from the ...

, the main improvements including a two-speed

supercharger In an internal combustion engine, a supercharger compresses the intake gas, forcing more air into the engine in order to produce more power for a given displacement (engine), displacement. It is a form of forced induction that is mechanically ...

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).Gruszczyński, Jerzy. ''W pierwszej lidze dostawców'', "Lotnictwo Aviation International" Nr. 9/2017, p. 34-37 (in Polish) 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 Kalisz () is a city in central Poland, and the second-largest city in the Greater Poland Voivodeship, with 97,905 residents (December 2021). It is the capital city of the Kalisz Region. Situated on the Prosna river in the southeastern part of Gr ...

, 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 due to a higher

compression ratio The compression ratio is the ratio between the maximum and minimum volume during the compression stage of the power cycle in a piston or Wankel engine. A fundamental specification for such engines, it can be measured in two different ways. Th ...

of 7.2:1 and a higher redline.

Applications

Antonov An-2 The Antonov An-2 (USAF/DoD reporting name Type 22, NATO reporting name Colt) is a Soviet Union, Soviet mass-produced single-engine biplane utility/agricultural aircraft designed and manufactured by the Antonov Design Bureau beginning in 1947. I ...

Antonov An-6 The Antonov An-2 ( USAF/DoD reporting name Type 22, NATO reporting name Colt) is a Soviet mass-produced single-engine biplane utility/agricultural aircraft designed and manufactured by the Antonov Design Bureau beginning in 1947. Its durabili ...

Beriev Be-4 The Beriev Be-4 (originally designated KOR-2) was a reconnaissance flying boat built to operate from Soviet warships during World War II. Design and development In 1939, Beriev was ordered to develop a successor to the KOR-1 design, which wou ...

Lisunov Li-2 The Lisunov Li-2 (NATO reporting name: Cab), originally designated PS-84, was a license-built Soviet-version of the Douglas DC-3. It was produced by Factory #84 in Khimki, Moscow-Khimki and, after the factory's evacuation in 1941, at the Tash ...

Kharkiv KhAI-5 The Kharkiv KhAI-5, (sometimes Neman R-10) was a Soviet reconnaissance and light bomber aircraft, designed in the mid-1930s in the Kharkiv Aviation Institute (KhAI, - in Ukrainian: ХАІ), under the direction of Iosif Grigorevich Nyeman (someti ...

Polikarpov I-153 The Polikarpov I-153 ''Chaika'' () is a late 1930s Soviet sesquiplane fighter. Developed from the I-15 with a retractable undercarriage, the I-153 fought in the Soviet-Japanese combats in Mongolia and was one of the major Soviet fighter types ...

Polikarpov I-16 The Polikarpov I-16 () is a Soviet single-engine single-seat fighter aircraft of revolutionary design; it is a low-wing cantilever monoplane fighter with retractable landing gear, and the first such aircraft to attain operational status. It "in ...

PZL-106 Kruk The PZL-106 Kruk () is a Polish agricultural aircraft designed and built by Państwowe Zakłady Lotnicze, WSK PZL Warszawa-Okęcie (later PZL "Warszawa-Okęcie" and now EADS-PZL). Design and development The PZL-106 was developed as a modern ag ...

(some variants) *

PZL-Mielec M-18 Dromader The PZL-Mielec M-18 ''Dromader'' ( English: "Dromedary") is a single engine agricultural aircraft that is manufactured by PZL-Mielec in Poland. The aircraft is used mainly as a cropduster or firefighting machine. Development PZL-Mielec, then k ...

PZL M-24 Dromader Super The PZL M-24 Dromader Super ( Super Dromedary) is a single engine agricultural aircraft, developed in the 1980s by the WSK-Mielec (later PZL-Mielec) from the PZL-Mielec M-18 Dromader. It did not progress beyond the prototyping stage. Develop ...

(K-9AA) *

Sukhoi Su-2 The Sukhoi Su-2 () is a Soviet reconnaissance and light bomber aircraft used in the early stages of World War II. It was the first airplane designed by Pavel Sukhoi. The basic design received an engine and armament upgrade (Su-4) and was modi ...

(prototype) *

Sukhoi Su-12 The Sukhoi Su-12 (Aircraft RK) was a prototype Soviet Union, Soviet reconnaissance and artillery spotter aircraft developed during World War II. Development In November 1943, the Sukhoi OKB designed an artillery spotter aircraft based on the Ge ...

VL Myrsky The VL Myrsky ("Storm") is a Finnish World War II fighter aircraft originally developed by Valtion lentokonetehdas for the Finnish Air Force. The models of the aircraft were Myrsky I, Myrsky II, and Myrsky III. It was designed by Edward Wegeliu ...

(one prototype)

Specifications (M-62)

References

Notes

Bibliography

*
Russian Aviation Museum

* *

External links

Producer's page WSK "PZL-Kalisz"asz-62ir.pl.tlAN-2 Aircraft
{{DEFAULTSORT:Shvetsov Ash-62 1930s aircraft piston engines Aircraft air-cooled radial piston engines Shvetsov aircraft engines