The Armstrong Siddeley Lynx is a British seven-cylinder
aero engine
An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years man ...
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 ...
. 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." ...
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 Sout ...
;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
The Airspeed AS.5 Courier was a British six-seat single-engined light aircraft that was designed and produced by the British aircraft manufacturer Airspeed Limited at Portsmouth. It has the distinction of being the first British aircraft fitte ...
*
Airspeed Envoy
The Airspeed AS.6 Envoy was a twin-engined light transport aircraft designed and produced by the British aircraft manufacturer Airspeed Ltd.
The Envoy originated as a heavier twin-engine derivative of Airspeed's Courier light transport aircra ...
*
Albatros L 68 __NOTOC__
The Albatros L 68 Alauda was a two-seat German trainer aircraft of the 1920s. It was a single-engine biplane of conventional configuration that seated the pilot and instructor in tandem, open cockpits. The wings were of unequal span an ...
*
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 ...
*
Avro Avocet
*
Avro 641 Commodore
The Avro 641 Commodore was a British single-engine five-seat cabin biplane built by Avro in the mid-1930s for private use. A total of only six were built, including the prototype.
Design and development
After building the three seat Avro 63 ...
*
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 small ...
*
Avro 642/4m Eighteen
*
Avro Sea 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
Th ...
*
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 Com ...
*
Blackburn Lincock
The Blackburn F.2 Lincock was a British single-seat lightweight fighter produced by Blackburn Aircraft Limited.
Design and development
In 1928 Blackburn designed and built a private venture lightweight biplane fighter powered by an Armstrong S ...
*
Boulton Paul Bittern
The Boulton Paul Bittern was a 1920s British night-fighter aircraft built by Boulton Paul Limited of Norwich, named after the marsh bird of the same name.
Design and development
Designed to Air Ministry Specification 27/24, which called for ...
*
Canadian Vickers Vanessa
The Canadian Vickers Vanessa was a Canadian biplane transport seaplane of the 1920s. It was a single-engine, twin-float biplane of mixed construction, evaluated by the Royal Canadian Air Force and used for experimental air-mail services..
Desig ...
*
Canadian Vickers Varuna
The Canadian Vickers Varuna was a Canadian flying boat of the 1920s built by Canadian Vickers as a twin-engined, unequal-span biplane, with a wooden hull and steel tube structure.
Design and development
The Varuna was developed in response to a R ...
*
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
The Cierva C.8 was an experimental autogyro built by Juan de la Cierva in England in 1926 in association with Avro. Like Cierva's earlier autogyros, the C.8s were based on existing fixed-wing aircraft fuselages – in this case, the Avro 552. ...
*
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 w ...

*
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 Fairchil ...
*
Fokker C.VII
The Fokker C.VII-W was a reconnaissance seaplane built in the Netherlands in the late 1920s. Sharing elements of the highly successful C.V design, the C.VII-W was a conventional, single-bay biplane with wings of unequal span braced with N-strut ...
*
Fokker F.VIIA
The Fokker F.VII, also known as the Fokker Trimotor, was an airliner produced in the 1920s by the Dutch aircraft manufacturer Fokker, Fokker's American subsidiary Atlantic Aircraft Corporation, and other companies under licence.
Design and de ...
*
Gloster Grouse
*
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
The Morane-Saulnier MS.230 aircraft was the main elementary trainer for the French Armée de l'Air throughout the 1930s. Almost all French pilots flying for the Armée de l'Air at the outbreak of World War II had had their earliest flight trainin ...
*
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 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 been problems in gett ...
*
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
The Warrigal I and II were Australian aircraft designed by Squadron Leader Lawrence James Wackett and built by the Experimental Section of the Royal Australian Air Force (RAAF) at Randwick, New South Wales, during the late 1920s. They were both s ...
*
Saro Cloud
The Saro Cloud was a British passenger amphibian flying boat designed and built by Saunders-Roe as the A.19. It was later produced as the A.29 for the Royal Air Force for pilot and navigator training.
Development
Following on the success of th ...
*
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
The Supermarine Seamew was a British twin engined amphibian, built by the Supermarine company, intended as a small, shipborne aircraft.
Design and development
The British Air Ministry placed an order for two Seamews in 1925, to meet Specif ...
*
Vickers Vireo
The Vickers Vireo was an experimental low wing all-metal monoplane built to explore both all-metal service aircraft and the use of catapult launched ship board fighters. Only one was built.
Development
The Vickers-Wibault construction method ...
*
VL Tuisku
The VL Tuisku (English: Blizzard or Snowstorm) was a Finnish trainer aircraft designed in the 1930s. It was a two-seat, single-engined biplane with a welded steel framework, covered with fabric. 30 were produced for the Finnish Air Force and serv ...
*
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
The Breda Ba.19 was an Italian single-seat Aerobatics, aerobatic biplane aircraft developed as an air force trainer in 1928.
Design and development
The Breda Ba.19 was a single-bay, unequal-span, Stagger (aviation), unstaggered biplane of conven ...
*
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
Imam (; ar, إمام '; plural: ') is an Islamic leadership position. For Sunni Islam, Sunni Muslims, Imam is most commonly used as the title of a worship leader of a mosque. In this context, imams may lead Salah, Islamic worship services, ...
Survivors
*Avro Tutor, ''K3215'', powered by a Lynx IV, flies regularly at the
Shuttleworth Collection
The Shuttleworth Collection is a working aeronautical and automotive collection located at the Old Warden Aerodrome, Old Warden in Bedfordshire, England. It is the oldest in the world and one of the most prestigious, due to the variety of o ...
and can be viewed in the museum at other times.
The Shuttleworth Collection - Avro Tutor
Retrieved: 11 February 2009
Specifications (Lynx IV)
See also
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
A lynx is a type of wild cat.
Lynx may also refer to:
Astronomy
* Lynx (constellation)
* Lynx (Chinese astronomy)
* Lynx X-ray Observatory, a NASA-funded mission concept for a next-generation X-ray space observatory
Places Canada
* Lynx, Ontar ...