The Armstrong Siddeley Lynx is a British seven-cylinder aero engine developed by

Armstrong Siddeley Armstrong Siddeley was a British engineering group that operated during the first half of the 20th century. It was formed in 1919 and is best known for the production of luxury vehicles and aircraft engines. The company was created following t ...

. Testing began in 1920 and 6,000 had been produced by 1939. In Italy

Alfa Romeo Alfa Romeo Automobiles S.p.A. () is an Italian luxury car manufacturer and a subsidiary of Stellantis. The company was founded on 24 June 1910, in Milan, Italy. "Alfa" is an acronym of its founding name, "Anonima Lombarda Fabbrica Automobili." "A ...

built a licensed version of this engine named the Alfa Romeo Lynx.

Variants

;Lynx I :1920, . ;Lynx II :1920, . ;Lynx III :1924, . ;Lynx IV :1929, . ;Lynx IVA :1930, . ;Lynx IVC :1929, . ;Lynx IV(G) :1929, Geared propeller drive. ;Lynx IV(MOD) :1929, , reconditioned and modified Lynx IV. ;Lynx IV(S) :1928, , 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 Panther may refer to: Large cats *Pantherinae, the cat subfamily that contains the genera ''Panthera'' and ''Neofelis'' **'' Panthera'', the cat genus that contains tigers, lions, jaguars and leopards. *** Jaguar (''Panthera onca''), found in So ...

;Piaggio P.II: Licence production in Italy by

Piaggio Piaggio & C. SpA (Piaggio ) is an Italian motor vehicle manufacturer, which produces a range of two-wheeled motor vehicles and compact commercial vehicles under seven brands: Piaggio, Vespa, Gilera, Aprilia, Moto Guzzi, Derbi, and Scarabeo ...

Applications

* Airspeed Courier * Airspeed Envoy * Albatros L 68 *

Avro 504 The Avro 504 was a First World War biplane aircraft made by the Avro aircraft company and under licence by others. Production during the war totalled 8,970 and continued for almost 20 years, making it the most-produced aircraft of any kind tha ...

Avro 618 Ten The Avro 618 Ten or X was a passenger transport aircraft of the 1930s. It was a licensed version by Avro of the Fokker F.VIIB/3m. Development In 1928 Avro came to an arrangement with Fokker to license production of its successful F.VIIB/3m fo ...

* Avro Avocet * Avro 641 Commodore *

Avro 626 The Avro 626 is a single-engined British biplane trainer aircraft produced by Avro during the (1918-1939) inter-war period. Design and development The Model 626 was developed by Avro from the company's Model 621 (Tutor) for export to smalle ...

* Avro 642/4m Eighteen * Avro Sea Tutor *

Avro Tutor The Avro Type 621 Tutor is a two-seat British radial-engined biplane from the interwar period. It was a simple but rugged basic trainer that was used by the Royal Air Force as well as many other air arms worldwide. Design and development The ...

BAT Bantam The BAT F.K.23 Bantam was a British single-seat fighter biplane produced by British Aerial Transport Company Limited of London during World War I. Design and development Frederick Koolhoven's first design for the British Aerial Transport Comp ...

* Blackburn Lincock * Boulton Paul Bittern * Canadian Vickers Vanessa * Canadian Vickers Varuna *

Canadian Vickers Vedette The Canadian Vickers Vedette was the first aircraft designed and built in Canada to meet a specification for Canadian conditions. It was a single-engine biplane flying boat purchased to meet a Royal Canadian Air Force (RCAF) demand for a smaller ...

* Cierva C.8 *

de Havilland Hawk Moth The de Havilland DH.75 Hawk Moth was a 1920s British four-seat cabin monoplane built by de Havilland at Stag Lane Aerodrome, Edgware. Design and development The DH.75 Hawk Moth was the first of a family of high-wing monoplane Moths, and ...

Fairchild FC-2 The Fairchild FC-1 and its derivatives were a family of light, single-engine, high-wing utility monoplanes produced in the United States in the 1920s and 1930s. The aircraft was originally designed to provide a camera platform for Sherman Fairch ...

* Fokker C.VII * Fokker F.VIIA *

Gloster Grouse The Gloster Grouse was a British biplane of the 1920s developed by the Gloster Aircraft Company. Often referred to as the prototype to the Gloster Grebe, the Grouse originally built as an experimental aircraft and then later developed as a tra ...

Messerschmitt M 18 The Bayerische Flugzeugwerke M 18 (BFW M 18), (later known as Messerschmitt M 18) was an airliner, produced in Germany in the late 1920s. Design and development Designed at the request of Theodor Croneiss to supply his new airline venture which ...

* Morane-Saulnier MS.230 *

Nieuport-Delage NiD 39 __NOTOC__ The Nieuport-Delage NiD 39 was an airliner produced in France in the late 1920s, developed from the NiD 38.Taylor 1989, 698Hartmann 2006, 21 The airline '' Compagnie Aérienne Française'' had purchased four examples of the previous ai ...

* Larynx *

Parnall Parasol The Parnall Parasol was an Experimental aircraft, experimental parasol winged aircraft design to measure the aerodynamic forces on wings in flight. Two were built and flown in the early 1930s in the UK. Design and development There have always ...

Raab-Katzenstein RK-26 Raab-Katzenstein RK-26 Tigerschwalbe, also known as the Fieseler F 1 Tigerschwalbe, was a German twin-seat biplane trainer aircraft designed by Gerhard Fieseler by the end of the 1920s. Design and development In December 1930, Fieseler was invite ...

* Wackett Warrigal * Saro Cloud *

Saro Cutty Sark The Saro A17 Cutty Sark was a British amphibious aircraft from the period between World War I and World War II, built by the British firm Saunders-Roe (also known as ''SARO''). The aircraft was named after the ship ''Cutty Sark'', rather than ...

* Supermarine Seamew * Vickers Vireo * VL Tuisku *

Westland Wagtail The Westland Wagtail was a prototype British fighter aircraft of the First World War. A single-engined tractor biplane, the Wagtail was a failure owing to the unreliability of its engine, only five being built. Development and design The West ...

Alfa Romeo Lynx

* Breda Ba.19 *

Breda Ba.25 The Breda Ba.25 was an Italian two-seat biplane trainer designed and built by the Breda company. It was the most widely used Italian basic trainer of the 1930s. Design and development The first flight took place near Milan in 1931. Initially de ...

* IMAM Ro.10

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.The Shuttleworth Collection - Avro Tutor
Retrieved: 11 February 2009

Specifications (Lynx IV)

References

Notes

Bibliography

* Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. . {{Piaggio aeroengines 1920s aircraft piston engines Aircraft air-cooled radial piston engines Lynx