ABC Scorpion
1920s British piston aircraft engine
title: "ABC Scorpion" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["abc-aircraft-engines", "1920s-aircraft-piston-engines"] description: "1920s British piston aircraft engine" topic_path: "general/abc-aircraft-engines" source: "https://en.wikipedia.org/wiki/ABC_Scorpion" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary 1920s British piston aircraft engine ::
::data[format=table title="infobox aero engine"]
| Field | Value |
|---|---|
| name | Scorpion |
| image | File:ABC Scorpion I.jpg |
| caption | ABC Scorpion I on display at the Shuttleworth Collection |
| engine_type | Flat-twin aero engine |
| national_origin | United Kingdom |
| manufacturer | ABC Motors |
| designer | Granville Bradshaw |
| first_run | 1921 |
| :: |
|name = Scorpion |image = File:ABC Scorpion I.jpg |caption = ABC Scorpion I on display at the Shuttleworth Collection |engine_type = Flat-twin aero engine |national_origin = United Kingdom |manufacturer = ABC Motors |designer = Granville Bradshaw |first_run =1921 |major_applications = |produced = |number_built = |developed_from = |variants_with_their_own_articles =
The ABC Scorpion is a 30 hp (22 kW) two-cylinder aero engine designed by British engineer Granville Bradshaw for use in light aircraft. The engine was built by ABC Motors Limited and first ran in 1921.
Variants
;Scorpion I :1923, 30 hp (22 kW) ;Scorpion II :1924, 34 hp (25 kW), increased bore and stroke.
Applications
::figure[src="https://upload.wikimedia.org/wikipedia/commons/d/df/ABCScorpion.JPG" caption="ANEC II]] at the [[Shuttleworth Collection"] ::
- ABC Robin
- Boulton Paul Phoenix
- BFW M.19
- BFW M.23
- Comper Swift
- de Havilland Humming Bird
- Farman Moustique
- Hawker Cygnet
- Heath Parasol
- Hendy Hobo
- Henderson-Glenny Gadfly
- Kay Gyroplane
- Luton Minor
- Mignet HM.14 Pou-du-Ciel
- Parmentier Wee Mite
- Peyret-Mauboussin PM X
- RWD 1
- SAI KZ I
- Saynor & Bell Canadian Cub
- Short Satellite
- Snyder Buzzard
- Udet U 7 Kolibri
- Wheeler Slymph
- Westland Woodpigeon
Survivors
The only ANEC II (G-EBJO) flies regularly at the Shuttleworth Collection at Old Warden and is powered by a Scorpion II.
Specifications (Scorpion I)
|ref=Lumsden |type=2 cylinder air cooled flat-twin |bore=3.6 in (87.5 mm) |stroke=3.7 in (91.5 mm) |displacement=73.32 cu in (1.1 L) |length= |diameter= |width= |height= |weight=90 lb (41 kg) |valvetrain= Overhead valve, two valves per cylinder |supercharger= |turbocharger= |fuelsystem= Carburettor |fueltype=74 Octane petrol |oilsystem= |coolingsystem=Air |power=30 hp (22 kW) at 2,750 rpm |specpower= |compression=4:1 |fuelcon= |specfuelcon= |oilcon= |power/weight= 0.33 hp/lb (0.53 kW/kg)
References
Notes
Bibliography
- Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989.
- Guttery, T.E. The Shuttleworth Collection. London: Wm. Carling, 1969.
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. .
References
- Gunston 1989, p.9.
- Lumsden 2003, p.54.
::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::