Fairey Monarch: Difference between revisions
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Revision as of 17:10, 14 May 2012
| P.24 Monarch | |
|---|---|
| |
| Fairey P.24 at the Fleet Air Arm Museum | |
| Type | Piston H24 aero-engine |
| Manufacturer | Fairey Aviation Company Limited |
| First run | Template:Avyear |
| Major applications | Fairey Battle |
| Developed from | Fairey Prince (H-16) |
The Fairey P.24 Monarch or Prince 4 was a British experimental 2,000 hp (1,490 kW) class H-24 aircraft engine designed and built by Fairey in the late 1930s. The engine did not go into production.[1]
Design and development
The P.24 Monarch was an enlarged development of the Prince, designed by chief engine designer Captain A.G. Forsyth. Similar in layout to the Napier Dagger the cylinders were arranged vertically in two separate blocks, driving contra-rotating propellers via separate shafts and gears. Like the smaller Prince engine each bank of cylinders could be shut down in flight to drive only one propeller, an idea that was reused much later in the Armstrong Siddeley Double Mamba turboprop. The engine was test flown in a Fairey Battle, K9370, with its first flight taking place on 30 June 1939.[2]
Applications
Projected applications
Variants
- P.24 Monarch or Prince 4
2,240 hp (1,670 kW)
Specifications (P.24 Monarch)
Data from Lumsden.[3]
General characteristics
- Type: Liquid-cooled H24 engine
- Bore: 5.25 in (133.35 mm)
- Stroke: 6.0 in (152.4 mm)
- Displacement: 3,117 in³ (51.08 L)
- Length: 86.25 in (2191 mm)
- Width: 43 in (1092 mm)
- Height: 52.5 in (1333.5 mm)
- Dry weight: 2,180 lb
Components
- Supercharger: Four-speed, two stage
- Cooling system: Liquid-cooled
- Reduction gear: Spur gear, 0.543:1
Performance
- Power output: 2,240 hp (1,670 kW) at 3,000 rpm at 9,000 ft
See also
Comparable engines
Related lists
References
Notes
Bibliography
- Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
External links
- Report on the P-24 by Experimental Engineering Section of the Power Plant Laboratory at Wright Field USA
- US report on engineering considerations
- US report on dual propeller
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