The Argus 411 was a twelve-cylinder, air-cooled, inverted-V12 aircraft engine developed by

Argus Motoren ''Argus Motoren'' was a German manufacturing firm known for their series of small inverted-V engines and the Argus As 014 pulsejet for the V-1 flying bomb. History Started in Berlin in 1906 as a subsidiary of Henri Jeannin's automobile business, ...

in Germany during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

Design and development

The As 411 was a refined and more powerful version of the

Argus As 410 The Argus As 410 was a German air-cooled inverted V-12 light aircraft engine that was first produced by Argus Motoren in 1938. Design and development The engine marked a departure from earlier Argus engines in that it had new construction tech ...

. Most 411 production was undertaken by

Renault Groupe Renault ( , , , also known as the Renault Group in English; legally Renault S.A.) is a French multinational automobile manufacturer established in 1899. The company produces a range of cars and vans, and in the past has manufactured ...

in occupied

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...

, these engines were used to power the

Siebel Si 204 The Siebel Si 204 was a small twin-engined transport and trainer aircraft developed in World War II. It was based on the Siebel Fh 104, Fh 104 Hallore. Originally designed in response to an Ministry of Aviation (Germany), Ministry of Aviation de ...

and the post war

Dassault MD 315 Flamant The Dassault MD 315 Flamant is a French light twin-engined transport airplane built shortly after World War II by Dassault Aviation for the French Air Force. Design and development Design work on a twin-engined light transport started in 1946 wi ...

. It developed 600 PS (592 hp, 441 kW) at 3,300 rpm Following the end of World War II, Renault continued to manufacture the engine as the Renault 12S. After merging the French aircraft engine manufacturers into

SNECMA Safran Aircraft Engines, previously Snecma (''Société nationale d'études et de construction de moteurs d'aviation'') or Snecma Moteurs, is a French aerospace engine manufacturer headquartered in Courcouronnes and a subsidiary of Safran. It ...

in 1945, production continued under the new designation SNECMA 12S.

Variants

;As 411: A refined and more powerful version of the

. ;Renault 12S: Production of the As 411 after

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

. ;SNECMA 12S: (a.k.a. SNECMA Renault 12S) Designation change on the formation of SNECMA. ;SNECMA 12T: (a.k.a. SNECMA Renault 12T) Refined version of the 12S with new pistons, cylinders and revised induction system. ;SNECMA 12T-303:

Dassault Dassault Group (; also GIM Dassault or Groupe Industriel Marcel Dassault SAS) is a French group of companies established in 1929 with the creation of Société des Avions Marcel Bloch (now Dassault Aviation) by Marcel Dassault, and led by son Ser ...

propeller ;SNECMA 12T-312: Ratier propeller

Applications

Arado Ar 96 The Arado Ar 96 was a German single-engine, low-wing monoplane of all-metal construction, produced by Arado Flugzeugwerke. It was the ''Luftwaffe''s standard advanced trainer during World War II. Design and development Designed by Walter Blum ...

Breguet 892 Mercure Breguet or Bréguet may refer to: * Breguet (watch), watch manufacturer **Abraham-Louis Breguet (1747–1823), Swiss watchmaker **Louis-François-Clement Breguet (1804–1883), French physicist, watchmaker, electrical and telegraph work * Bréguet ...

(4 × 12S) *

Focke-Wulf Fw 189 The Focke-Wulf Fw 189 ''Uhu'' ("Eagle Owl") is a Nazi Germany, German twin-engine, twin-boom, three-seat tactical Aerial reconnaissance, reconnaissance and Liaison aircraft, army cooperation aircraft. It first flew in 1938 (Fw 189 V1), entered s ...

Fouga CM.100 __NOTOC__ The Fouga CM.10 was an assault glider designed for the French Army shortly after World War II, capable of carrying 35 troops, later converted as a powered transport. Design & Development The CM.10 was a high-wing cantilever monoplane o ...

Pilatus P-2 The Pilatus P-2 is a trainer aircraft designed by Swiss manufacturer Pilatus in 1942 and first flown on April 27, 1945. It was used by the Swiss Air Force from 1946 until 1981. The Pilatus P-2 emerged from an unbuilt project of the Pilatus P-1, w ...

* SNCAC NC.2001 * Sud Ouest S.O.93

Specifications (SNECMA 12S)

Design and development

Variants

Applications

Specifications (SNECMA 12S)

See also

References

Further reading