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Armstrong Siddeley Lynx
Alfa Romeo Lynx


as-lynx



The Armstrong Siddeley Lynx is a British seven-cylinder aero engine developed by Armstrong Siddeley from the Armstrong Siddeley Jaguar. 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.

Approximately 6000 were built.

 

as-lynx-2

Variants:

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 became Armstrong Siddeley Cheetah
1930, increased bore and stroke, name changed from Lynx V to Lynx Major then Cheetah. Effectively half a Panther.

Applications:

Airspeed Courier
Airspeed Envoy
Albatros L 68
Avro 504
Avro 618 Ten
Avro Avocet
Avro 641 Commodore
Avro 626
Avro Sea Tutor
Avro Tutor
BAT Bantam
Blackburn Lincock
Boulton Paul Bittern
Canadian Vickers Vanessa
Canadian Vickers Varuna
Canadian Vickers Vedette
Cierva C.8
de Havilland Hawk Moth
Fairchild FC-2
Fokker C.VII
Fokker F.VIIA
Gloster Grouse
Messerschmitt M 18
Morane-Saulnier MS.230
Nieuport-Delage NiD 39
Larynx
Parnall Parasol
Raab-Katzenstein RK-26
Wackett Warrigal
Saro Cloud
Saro Cutty Sark
Supermarine Seamew
Vickers Vireo
VL Tuisku
Westland Wagtail

Alfa Romeo Lynx
Breda Ba.19
Breda Ba.25
IMAM Ro.10

Specifications:

Lynx IV

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)

 

 


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