The Blackburne Tomtit was a 670 cc

V-twin A V-twin engine, also called a V2 engine, is a two-cylinder piston engine where the cylinders share a common crankshaft and are arranged in a V configuration. Although widely associated with motorcycles (installed either transversely or longit ...

aero engine for light aircraft that was designed and produced by Burney and Blackburne Limited. Burney and Blackburne was based at Bookham, Surrey, England and was a former motorcycle manufacturer.

Design and development

The Blackburne Tomtit engine was developed from Blackburne's motorcycle engines. The first one adapted to aircraft use was the best performing engine at the

Lympne light aircraft trials The Lympne Light Aircraft Trials were held to encourage the development of practical light aircraft for private ownership, with a strong but not exclusive emphasis on fuel economy. They were held in 1923, 1924 and 1926. Each year saw different rest ...

of 1923, despite its lack of refinement. The Tomtit was a modified version of the Lympne 696 cc V-twin, marketed specifically for flight. The Tomtit could run upright or inverted and was the first British engine to fly inverted, in the

ANEC I The ANEC I and ANEC II were 1920s British single-engine ultralight aircraft designed and built by Air Navigation and Engineering Company Limited at Addlestone Surrey. One was privately constructed in Brisbane, Australia. History The ANEC I and ...

. The inverted configuration was more common, but the Avro 558 used it in the upright arrangement, and the Avro 560 flew with both upright and inverted Tomtits.

Applications (including early Lympne 1923 version)

: Avro 558 : Avro 560 :

BICh-3 The BICh-3 (russian: БИЧ-3) was a tailless research aircraft designed and built in the USSR in 1926. Development After Cheranovsky's first tailless flying wing gliders, the BICh-1 and BICh-2, he continued developing the concept with the BI ...

(the world's first

flying wing A flying wing is a tailless fixed-wing aircraft that has no definite fuselage, with its crew, payload, fuel, and equipment housed inside the main wing structure. A flying wing may have various small protuberances such as pods, nacelles, blis ...

) : Dabrowski D.1 Cykacz : Darmstadt D-11 Mohamed :

de Havilland Humming Bird The de Havilland DH.53 Humming Bird is a British single-seat, single-engine, low-wing monoplane light aircraft first flown in the 1920s. Design and development In response to the ''Daily Mail'' Light Aeroplane Competition of 1923 de Havilland ...

Gloster Gannet The Gloster Gannet was a single-seat single-engined light aircraft built by the Gloucestershire Aircraft Company Limited of Cheltenham, United Kingdom, to compete in the 1923 Lympne Trials. Engine development problems prevented it from taking ...

Gnosspelius Gull __NOTOC__ The Gnosspelius Gull was a 1920s British experimental ultra-light monoplane designed by Major O.T. Gnosspelius and built by Short Brothers at Rochester for the 1923 Lympne light aircraft trials.Jackson 1974, page 315 Development Gn ...

Gribovsky G-5 The Gribovsky G-5 (russian: Грибовский Г-5) was a small, low powered Russian single seat sports aircraft from the late 1920s. Design and development The G-5 was the first powered Gribovsky aircraft to fly; his first three designs were ...

: Handley Page H.P.23 :

Heath Parasol The Heath Parasol is an American single or two seat, open-cockpit, parasol winged, homebuilt monoplane. Design and development In 1926, Edward Bayard Heath, a successful American air racer and the owner of an aircraft parts supply business, bui ...

: Parnall Pixie II :

Reid biplane Reid is a surname of Scottish origin. It means "red". People with the surname * Alan Reid (disambiguation) * Alex Reid (disambiguation), includes Alexander Reid * Amanda Reid, Australian Paralympic athlete * Amanda Reid (taxonomist), Australi ...

Short Cockle The Short S.1 Cockle was a single-seat sport monoplane flying boat, with a novel monocoque duralumin hull. It was underpowered and so did not leave the water easily, but it proved that watertight and corrosion-resistant hulls could be built fr ...

Wheeler Slymph Wheeler may refer to: Places United States * Wheeler, Alabama, an unincorporated community * Wheeler, Arkansas, an unincorporated community * Wheeler, California, an unincorporated community * Wheeler, Illinois, a village * Wheeler, Indiana, a ...

Specifications

References

Notes

Bibliography

* * * * * Douglas Light Aero engines from Kingswood to Cathcart.Page 106 Brian Thorby 2010 Redcliffe Press, Bristol {{ISBN, 978-1-906593-25-4

Tomtit The tomtit (''Petroica macrocephala'') is a small passerine bird in the family Petroicidae The bird family Petroicidae includes 51 species in 19 genera. All are endemic to Australasia: New Guinea, Australia, New Zealand and numerous Pacific ...