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).
| 12We | |
|---|---|
 | |
| Farman 12We on display at Deutsches Museum Flugwerft Schleissheim | |
| Type | Piston aero engine |
| Manufacturer | Farman Aviation Works |
| First run | October 1922 (First flight) |
| Major applications | Farman F.60 Goliath |
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.[1]
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.[2]
Variants
- 12Wers
- with 0.5:1 reduction gear and KP24 supercharger.
Applications
Farman F.60 Goliath in 1929
Engines on display
Preserved Farman 12We engines are on static display at the following museums:
Specifications)
Right side view of the 12 We engine on display at the Deutsches Museum Flugwerft Schleissheim
Data from Gunston.[1]
General characteristics
- Type: 12-cylinder water-cooled W-block (3 banks of 4 cylinders) aircraft piston engine
- Bore: 130 mm (5.1 in)
- Stroke: 160 mm (6.3 in)
- Displacement: 25.48 L (1,555 cu in)
- Dry weight: 470 kg (1,036 lb)
Performance
- Power output: 373 kW (500 hp) at 2,150 rpm
References
Notes
- Gunston 1989, p. 56.
- Gunston 1989, p. 57.
- www.deutsches-museum.de - Piston engine collection Archived 2014-04-19 at the Wayback Machine Retrieved: 5 August 2014
- www.muzeumlotnictwa.pl - Farman 12WE exhibit Retrieved: 5 August 2014
Bibliography
- Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
External links
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