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Between 1920 and 1951 the
Société des Moteurs Salmson Salmson is a French engineering company. Initially a pump manufacturer, it turned to automobile and aeroplane manufacturing in the 20th century, returning to pump manufacturing in the 1960s, and re-expanded to a number of products and services ...
in
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 ...
developed and built a series of widely used air-cooled
aircraft engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...
s.Gunston 1986, p. 158.


Design and development

After their successful water-cooled radial engines, developed from 1908 to 1918, Salmson changed their focus to air-cooling to reduce weight and increase specific power (power per unit weight). The majority of the engines produced by Salmson were of radial type with a few other arrangements such as the Salmson T6.E. In common with other engines produced by this manufacturer, the air-cooled radial engines featured the unorthodox Canton-Unné internal arrangement that dispensed with a
master rod Master or masters may refer to: Ranks or titles * Ascended master, a term used in the Theosophical religious tradition to refer to spiritually enlightened beings who in past incarnations were ordinary humans *Grandmaster (chess), National Master ...
in favour of a cage of
epicyclic gear An epicyclic gear train (also known as a planetary gearset) consists of two gears mounted so that the center of one gear revolves around the center of the other. A carrier connects the centers of the two gears and rotates the planet and sun gea ...
s driving the
crankpin A crankpin or crank pin, also known as a rod bearing journal, is a mechanical device in an engine which connects the crankshaft to the connecting rod for each cylinder. It has a cylindrical surface, to allow the crankpin to rotate relative to the ...
. Production ended in
1951 Events January * January 4 – Korean War: Third Battle of Seoul – Chinese and North Korean forces capture Seoul for the second time (having lost the Second Battle of Seoul in September 1950). * January 9 – The Government of the United ...
with the liquidation of the manufacturing company.


British Salmson

The 3,7 and 9 cylinder Salmsons were license-built in
Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is ...
, during the 1920s and 1930s, by the
British Salmson engine company British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...
as the British Salmson AD.3, British Salmson AC.7, British Salmson AC.9, and British Salmson AD.9.


Salmson post-WWI engines

In common with several other French aero-engine manufacturers Salmson named their engines with the number of cylinders then a series letter in capitals followed by variant letters in lower-case. Engines not included in the 1932 table which follows are listed here: Salmson air-cooled engines available in 1932 are listed here


Applications


Nine cylinder engines


Seven cylinder engines


7AC

* Albert A-61 * Caudron C.191&2 *
Caudron C.220 The Caudron C.220 was a two-seat France, French biplane training aircraft, trainer. Only two were built, using different engines. Design and development The Caudron C.220 basic trainer was a biplane#sBays, single bay biplane with two pairs of p ...
*
Caudron C.270 The Caudron C.270 ''Luciole'' ("Firefly") was a sporting, touring and trainer aircraft produced in France in the 1930s, derived from the C.230. Design and construction It was a conventional biplane with single-bay, unstaggered wings of equal s ...
*
Dewoitine D.480 The Dewoitine D.480 was a French single engine side-by-side sports and training aircraft built in the early 1930s. Two were completed and flew with several different radial engines. One remained active through the 1950s. Design The D.480 was ...
* Farman F.234 *
Farman F.280 The Farman F.280 was a three engine, cantilever wing monoplane designed in France as a mail carrier in the early 1930s. Underpowered and slow, only two were built and briefly used. Design and development The F.280 was a relative, though not a m ...
* Farman F.352 * Hanriot H.411 * Kellner-Béchereau 23 * Morane-Saulnier MS.132 * Morane-Saulnier MS.148 * Potez 36/5


Five cylinder engines


5Ap

* Jodel D.123


5Aq

* Caudron C.109.2 *
CFA D.7 Cricri Major The CFA D.7 Cricri Major was a French-built light civil aircraft of the 1940s. Development The CFA D.7 Cricri Major was a postwar-built light high-wing monoplane with enclosed two-seat tandem glazed cabin and a fixed tail-wheel undercarriage, po ...


5AC

*
Caudron C.110 The Caudron C.109 was a light utility aircraft built in France in the late 1920s. Design and development The C.109 was a parasol-winged braced monoplane of conventional configuration with fixed tailskid undercarriage. The pilot and single pas ...
* Caudron C.161 * Jodel D.124 * Potez 36/3


Specifications (9 Ab)


See also

*
Salmson water-cooled aero-engines The Salmson water-cooled aero-engines, produced in France by Société des Moteurs Salmson from 1908 until 1920, were a series of pioneering aero-engines: unusually combining water-cooling with the radial arrangement of their cylinders. Histor ...
*
List of aircraft engines This is an alphabetical list of aircraft engines by manufacturer. 0–9 2si *2si 215 *2si 230 * 2si 430 * 2si 460 *2si 500 * 2si 540 * 2si 690 3W ''Source: RMV'' *3W 106iB2 *3W-110 *3W-112 *3W-170 *3W-210 *3W-220 A Abadal (Fr ...


Notes


References

* * Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. . * Cuny, Jean. "Latécoère - Les Avions et Hydravions".Paris. Docavia/Editions Lariviere. 1992. {{Salmson aeroengines Radial engines 1910s aircraft piston engines Salmson aircraft engines