Armstrong Siddeley Lynx: Difference between revisions
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Revision as of 04:21, 30 November 2022
| Lynx | |
|---|---|
| |
| Armstrong Siddeley Lynx fitted to the Shuttleworth Collection's airworthy Avro Tutor | |
| Type | Radial aero engine |
| National origin | United Kingdom |
| Manufacturer | Armstrong Siddeley |
| First run | 1920 |
| Number built | 6,000 |
| Developed from | Armstrong Siddeley Jaguar |
| Developed into | Armstrong Siddeley Cheetah |
The Armstrong Siddeley Lynx is a British seven-cylinder aero engine developed by Armstrong Siddeley. Testing began in 1920 and 6,000 had been produced by 1939. In Italy Alfa Romeo built a 200 horsepower (150 kW) licensed version of this engine named the Alfa Romeo Lynx.[1]
Variants
- Lynx I
- 1920, 150 hp (110 kW).
- Lynx II
- 1920, 184 hp (137 kW).
- Lynx III
- 1924, 200 hp (150 kW).
- Lynx IV
- 1929, 180 hp (130 kW).
- Lynx IVA
- 1930, 188 hp (140 kW).
- Lynx IVC
- 1929, 208 / 225 hp (155 / 168 kW).
- Lynx IV(G)
- 1929, Geared propeller drive.
- Lynx IV(MOD)
- 1929, 188 hp (140 kW), reconditioned and modified Lynx IV.
- Lynx IV(S)
- 1928, 200 hp (150 kW), fully supercharged.
- Lynx V (Lynx Major)
- 1930, increased bore and stroke, name changed from Lynx V to Lynx Major then Cheetah. Effectively half a Panther[2]
- Piaggio P.II
- Licence production in Italy by Piaggio.
Applications
Alfa Romeo Lynx
Survivors
- Avro Tutor, K3215, powered by a Lynx IV, flies regularly at the Shuttleworth Collection and can be viewed in the museum at other times.[3]
Specifications (Lynx IV)
Data from Lumsden[4]
General characteristics
- Type: 7-cylinder air-cooled radial engine
- Bore: 5.0 in (127 mm )
- Stroke: 5.5 in (140 mm)
- Displacement: 756 cu in (12.4 L)
- Length: 45.6 in (1,158 mm)
- Diameter: 42 in (1,067 mm)
- Dry weight: 525 lb (238 kg )
Components
- Valvetrain: Overhead valve, 2 valves per cylinder
- Fuel system: Carburettor
- Cooling system: Air-cooled
Performance
- Power output: 187 hp (139 kW) at 1,700 rpm cruise / 215 hp (160 kW) at 1,900 rpm max
- Power-to-weight ratio: 0.35 hp/lb (0.6 kW/kg)
See also
Related development
Comparable engines
Related lists
References
Wikimedia Commons has media related to Armstrong Siddeley Lynx.
Notes
- ^ "Alfa Aero Engines". aroca-qld.com. Archived from the original on 8 October 2007. Retrieved 25 August 2007.
- ^ Lumsden 2003, p.74.
- ^ The Shuttleworth Collection - Avro Tutor Retrieved: 11 February 2009
- ^ Lumsden 2003, p.66-67.
Bibliography
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.