ABC Scorpion

{{Short description|1920s British piston aircraft engine}}

{{Use dmy dates|date=March 2018}}

{{Use British English|date=March 2018}}

{{Infobox aircraft begin

|name = Scorpion

|image = File:ABC Scorpion I.jpg

|caption = ABC Scorpion I on display at the Shuttleworth Collection

}}{{Infobox aircraft engine

|type = Flat-twin aero engine

|national origin = United Kingdom

|manufacturer = ABC Motors

|designer = Granville Bradshaw

|first run =1921

|major applications =

|produced =

|number built =

|program cost =

|unit cost =

|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.Gunston 1989, p.9.

Variants

;Scorpion I

:1923, 30 hp (22 kW)

;Scorpion II

:1924, 34 hp (25 kW), increased bore and stroke.

Applications

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)

{{pistonspecs

|ref=Lumsden Lumsden 2003, p.54.

|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)

}}

See also

{{aircontent

|see also=

|related=

|similar aircraft=

|lists=

|similar engines=

}}

References

{{Commons category}}

=Notes=

{{reflist}}

=Bibliography=

{{refbegin}}

  • Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. {{ISBN|1-85260-163-9}}
  • Guttery, T.E. The Shuttleworth Collection. London: Wm. Carling, 1969. {{OCLC|19614929}}
  • Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. {{ISBN|1-85310-294-6}}.

{{refend}}

{{ABC aero engines}}

{{DEFAULTSORT:Abc Scoprion}}

Scorpion

Category:1920s aircraft piston engines