Farman 12We

The Farman 12We was a French 12-cylinder broad arrow configuration aircraft engine that was designed and built by Farman in the early 1920s. Power output was 370 kilowatts (500 hp).

Design and development
The Farman company developed and produced aero engines from 1915; the 12We was the company's most produced engine. Following the cylinder layout of the Napier Lion this engine featured three banks of four cylinders and employed water cooling.

The 12We was first flown in a Farman F.60 Goliath in October 1922 and later set a distance record powering a Farman F.62 in 1924, the engine ran continuously for 38 hours.

Variants

 * 12Wers: with 0.5:1 reduction gear and KP24 supercharger.

Applications
• Breguet 19

• Dewoitine D.14

• Dornier Do J

• Farman A.2

• Farman F.60 Goliath

• Farman F.62

• Farman F.140 Super Goliath

• Farman F.160

• Farman F.170 Jabiru

• Farman F.180

• Farman F.1000

• Latécoère 21

• Latécoère 23

• Latécoère 24

• Latécoère 32

• Latham 47

• Lublin R-VIII

• Potez 25

• Potez 28

Engines on display
Preserved Farman 12We engines are on static display at the following museums:
 * Deutsches Museum Flugwerft Schleissheim
 * Polish Aviation Museum