Armstrong Siddeley Lynx
|Armstrong Siddeley Lynx fitted to the Shuttleworth Collection's airworthy Avro Tutor|
|Type||Radial aero engine|
|National origin||United Kingdom|
|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.
- Lynx I
- 1920, 150 hp.
- Lynx II
- 1920, 184 hp.
- Lynx III
- 1924, 200 hp.
- Lynx IV
- 1929, 180 hp.
- Lynx IVA
- 1930, 188 hp.
- Lynx IVC
- 1929, 208/225 hp.
- Lynx IV(G)
- 1929, Geared propellor drive.
- Lynx IV(MOD)
- 1929, 188 hp, reconditioned and modified Lynx IV.
- Lynx IV(S)
- 1928, 200 hp, 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
- Piaggio P.II
- Licence production in Italy by Piaggio.
Alfa Romeo Lynx
- Avro Tutor, K3215, powered by a Lynx IV, flies regularly at the Shuttleworth Collection and can be viewed in the museum at other times.
Specifications (Lynx IV)
Data from Lumsden
- 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 )
- Valvetrain: Overhead valve, 2 valves per cylinder
- Fuel system: Carburettor
- Cooling system: Air-cooled
- 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)
- Related development
- Comparable engines
- Related lists
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