Sunbeam Spartan
| Spartan | |
|---|---|
| Type | V-12 air-cooled piston engine |
| National origin | Britain |
| Manufacturer | Sunbeam[1] |
| Designed by | Louis Coatalen[1] |
| Major applications | Saunders T.1[1] |
| Produced | 1917[1] |
| Number built | prototypes only |
|
| |
The Sunbeam Spartan was a British 12-cylinder aero-engine designed and built in 1916.[1]
Design and development
Louis Coatalen concentrated on water-cooled engines for the most part, but did design an air-cooled V-12 named Spartan. Little is known of this engine which had a bore of 105 mm (4 in) and stroke of 130 mm (5 in), capacity of 14.03 l (856 cu in) and output of 149 kW (200 hp) driving a propeller through a reduction gearbox. The single overhead camshaft operated two inlet and two exhaust valves per cylinder via rockers and ignition was supplied by two 6-cyl. Magnetos supplying spark to one spark-plug per cylinder.[1]
Specifications (Spartan)
Data from Sunbeam Aero-Engines[1]
General characteristics
- Type: V-12 air-cooled piston engine
- Bore: 105 mm (4 in)
- Stroke: 130 mm (5 in)
- Displacement: 14.03 l (856 cu in)
- Designer: Louis Coatalen
Components
- Valvetrain: Single overhead camshaft, two exhaust and two inlet valves per cylinder
- Fuel system: gravity fed
- Fuel type: Gasoline
- Oil system: Dry sump, pressure fed
- Cooling system: Air-cooled
- Reduction gear: ratio not known
Performance
- Power output: 149 kW (200 hp)
See also
- Comparable engines
- Related lists
References
Bibliography
- The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing.
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
- Brew, Alec (1998). Sunbeam Aero-engines. Shrewsbury: Airlife Publishing. ISBN 1-84037-023-8.
External links
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