Farman 12We
| 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 |
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.[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
Engines on display
Preserved Farman 12We engines are on static display at the following museums:
Specifications)
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)
Components
- Valvetrain: Overhead valve
- Cooling system: Water-cooled
Performance
- Power output: 373 kW (500 hp) at 2,150 rpm
See also
Comparable engines
Related lists
References
Notes
- ^ a b 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