ABC 8 hp

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

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

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

{{Infobox aircraft begin

|name = 8 hp

|image = File:ABC8HP.JPG

|caption = ABC 8 hp installed in the English Electric Wren at the Shuttleworth Collection

}}{{Infobox aircraft engine

|type = Flat-twin aero engine

|national origin = United Kingdom

|manufacturer = ABC Motors Limited

|designer = Granville Bradshaw

|first run =1923

|major applications =

|produced =

|number built =

|program cost =

|unit cost =

|developed from =

|variants with their own articles =

}}

The ABC 8 hp is an 8 hp (6 kW) two-cylinder aero engine designed by the noted British engineer Granville Bradshaw for use in ultralight aircraft. The engine was derived from a specially tuned motorcycle unit and was built by ABC Motors, first running in 1923.Lumsden 2003, p.51.

Applications

Surviving engines

The sole surviving English Electric Wren (G-EBNV) flies occasionally at the Shuttleworth Collection at Old Warden and is powered by an ABC 8 hp engine. With barely enough power to maintain flight the aircraft is assisted into the air by a team of volunteers using bungee cord, after which the Wren lands straight ahead following a short 'hop'.[http://www.shuttleworth.org/shuttleworth_aircraft_details.asp?ID=13 The Shuttleworth Collection - English Electric Wren] Retrieved: 7 February 2009

Specifications (ABC 8 hp)

{{pistonspecs

|ref=LumsdenLumsden 2003, p.54.

|type=2-cylinder air-cooled flat-twin

|bore=2.72 in (69 mm)

|stroke=2.13 in (54 mm)

|displacement=24.76 cu in (404 cc)

|length=

|diameter=

|width=

|height=

|weight=41 lb (18.6 kg)

|valvetrain= Overhead valve, two valves per cylinder

|supercharger=

|turbocharger=

|fuelsystem= Carburettor

|fueltype=Petrol

|oilsystem=

|coolingsystem=Air-cooled

|power=8 hp (6 kW) at 4,500 rpm

|specpower=

|compression=

|fuelcon=

|specfuelcon=

|oilcon=

|power/weight= 0.2 hp/lb (0.32 kW/kg)

}}

See also

{{aircontent

|see also=

|related=

|similar aircraft=

|lists=

|similar engines=

}}

References

=Notes=

{{reflist}}

=Bibliography=

{{refbegin}}

  • Guttery, T.E. The Shuttleworth Collection of historic aeroplanes, cars, cycles, carriages and fire engines. Biggleswade, Bedfordshire: The Collection, 1969. {{ISBN|978-0-901319-01-2}}
  • Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. {{ISBN|1-85310-294-6}}.

{{refend}}