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Göbler-Hirthmotoren GmbH is an aircraft engine
Aircraft engine

An aircraft engine is a propulsion system for an aircraft. Aircraft engines are almost always either lightweight piston engines or gas turbines....
 manufacturer based in Benningen
Benningen

Benningen is a Municipalities of Germany in the district of Unterallg?u in Bavaria, Germany....
, Germany.

The company was founded by Hellmuth Hirth
Hellmuth Hirth

Hellmuth Hirth was a Germany engineer who founded the Mahle and Hirth companies, manufacturing engine components and complete aircraft engines respectively....
 in 1920 as Hellmuth Hirth Versuchsbau, renamed Leichtmetall-Werke GmbH and finally Elektronmetall GmbH as a manufacturer of light alloy engine components, including parts for aircraft engine components. In 1927, Hirth separated this part of the business, renaming it as Hirth Motoren GmbH (the remainder becoming Mahle
Mahle

Mahle may refer to:*Ernst Mahle, a Brazilian composer and orchestra conductor*Mahle GmbH, a large German industrial company automotive supplier...
).






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Göbler-Hirthmotoren GmbH is an aircraft engine
Aircraft engine

An aircraft engine is a propulsion system for an aircraft. Aircraft engines are almost always either lightweight piston engines or gas turbines....
 manufacturer based in Benningen
Benningen

Benningen is a Municipalities of Germany in the district of Unterallg?u in Bavaria, Germany....
, Germany.

The company was founded by Hellmuth Hirth
Hellmuth Hirth

Hellmuth Hirth was a Germany engineer who founded the Mahle and Hirth companies, manufacturing engine components and complete aircraft engines respectively....
 in 1920 as Hellmuth Hirth Versuchsbau, renamed Leichtmetall-Werke GmbH and finally Elektronmetall GmbH as a manufacturer of light alloy engine components, including parts for aircraft engine components. In 1927, Hirth separated this part of the business, renaming it as Hirth Motoren GmbH (the remainder becoming Mahle
Mahle

Mahle may refer to:*Ernst Mahle, a Brazilian composer and orchestra conductor*Mahle GmbH, a large German industrial company automotive supplier...
). The first Hirth Motoren GmbH engine, the 4-cylinder inverted in-line HM 60
Hirth HM 60

The Hirth HM 60 was a 4-cylinder inverted air cooled inline aircraft engine designed in 1923 in aviation and first sold in 1924 in aviation. The engine was of very high quality and its sales success contributed to Hirth's rapid pre-war expansion....
, was released in 1931 and was fairly successful. An upgrade in the form of the HM 60R improved efficiency, and was followed by 6, 8 and 12-cylinder versions based on the same machinery. Over the next decade, Hirth became one of Germany's leading aero engine manufacturers.

Following Hirth's death in an aircraft crash in 1938, the Reichsluftfahrtministerium ("Reich aviation ministry") nationalised the company, and in 1941 it was merged with Heinkel
Heinkel

Heinkel Flugzeugwerke was a Germany aircraft manufacturing company founded by and named after Ernst Heinkel. It is noted for producing bomber aircraft for the Luftwaffe in World War II and for important contributions to high-speed flight....
 to make Heinkel-Hirth. Although the existing engine series were continued, Heinkel also used the Hirth production facilities as a basis for work by Hans von Ohain
Hans von Ohain

Hans Joachim Pabst von Ohain was one of the inventors of jet engine.The engineers, Frank Whittle in the United Kingdom and Hans von Ohain in Germany, developed the concept independently during the late 1930s, although credit for the first turbojet is given to Whittle,...
 on a series of jet engine
Jet engine

A jet engine is a reaction engine that discharges a fast moving jet of fluid to generate thrust in accordance with Isaac Newton Newton's laws of motion....
s as well, although for various reasons none was widely used.

Following World War II
World War II

World War II, or the Second World War , was a global military conflict which involved a Participants in World War II, including all of the great powers, organised into two opposing military alliances: the Allies of World War II and the Axis powers....
, this merger was dissolved, and Hirth was independent once again. Because of the prohibitions on German aviation during the Allied occupation, Hirth manufactured small stationary engine
Stationary engine

A stationary engine is an engine whose framework does not move. It is normally used not to propel a vehicle but to drive a piece of immobile equipment such as a pump or power tool....
s, as well as motors for snowmobile
Snowmobile

A snowmobile, also known in some places as a snowmachine, is a land vehicle for travel on snow that is commonly propelled by a continuous track or tracks at the rear and steered by skis at the front....
s. Eventually, Hirth returned to aircraft engine manufacturing in 1965, but in 1974 went into voluntary liquidation. The company was acquired by Hans Göbler, who returned it to making small two-stroke
Two-stroke cycle

The two-stroke internal combustion engine differs from the more common four-stroke engine by completing the same cycle in only two strokes of the piston, rather than four....
 engines.

The beginnings of ultralight aviation in the 1980s created another opportunity to re-enter Hirth's original marketplace, and the company has been a notable builder of engines for these aircraft ever since.

Engines


Piston

  • Hirth HM 60
    Hirth HM 60

    The Hirth HM 60 was a 4-cylinder inverted air cooled inline aircraft engine designed in 1923 in aviation and first sold in 1924 in aviation. The engine was of very high quality and its sales success contributed to Hirth's rapid pre-war expansion....
  • Hirth HM 504
    Hirth HM 504

    The Hirth HM 504 was a 4 cylinder air cooled inverted inline engine. The 504 was a popular engine for light aircraft of the 1930-40's and it was used to power a number of Germany's trainer aircraft of WWII....
     - 4-cylinder air cooled inverted inline, 105 hp
  • Hirth HM 506
    Hirth HM 506

    The Hirth HM 506 was a 6-cylinder air-cooled inverted inline engine that was developed from the earlier 4-cylinder HM 504. The HM 506 was a popular engine for light aircraft of the 1930-40's and powered the B?cker B? 133A model trainer....
     - 6-cylinder air cooled inverted inline, 165 hp
  • Hirth HM 508
    Hirth HM 508

    The Hirth HM 508 was an air-cooled, eight-cylinder, inverted-V aircraft engine built in Germany in the 1930s. It had a bore and stroke of 105 mm × 115 mm and developed 210 kW at 3,000 rpm....
     - 8-cylinder air cooled inverted-V, 280 hp
  • Hirth HM 512 - 12-cylinder air cooled inverted-V, 400 hp


Turbine

  • Heinkel-Hirth HeS 001 - the first operational jet engine
  • Heinkel-Hirth HeS 003 - the first jet engine to fly
  • Heinkel-Hirth HeS 30 - aka 006, perhaps the best early German design, cancelled for what turned out to be very bad reasons
  • Heinkel-Hirth HeS 40 - "constant volume" combustion engine
  • Heinkel-Hirth HeS 50 - ducted-fan unit for long-duration flight
  • Heinkel-Hirth HeS 60 - HeS 50 with an additional turbine stage
  • Heinkel-Hirth HeS 011
    Heinkel HeS 011

    The Heinkel HeS 011 was an advanced World War II jet engine built by Heinkel-Hirth. It featured a unique compressor arrangement, combining a three-stage axial compressor with a "diagonal" stage similar to a centrifugal compressor, along with a low-compression impeller in the intake to smooth out airflow....
     - advanced twin-spool design, not completed


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