Green E.6

E.6
Preserved Green E.6 on display at the Fleet Air Arm Museum
Type	Piston aero engine
Manufacturer	Green Engine Co Ltd
First run	December 1911
Number built	42

The Green E.6 was a British six-cylinder, water-cooled aero engine that first ran in 1911,^[1] it was designed by Gustavus Green and built by the Green Engine Co and Mirlees, Bickerton & Day of Stockport between August 1914 and December 1918.

Applications

• Avro 504K
• Avro 523A
• Bass-Paterson flying boat
• Cody Type V
• Eastbourne Aviation Circuit biplane
• Gnosspelius Hydro Tractor Biplane
• Grahame-White Type X Charabanc
• Royal Aircraft Factory F.E.2a
• Short S.68 Seaplane
• Sopwith Bat Boat
• Sopwith Three-seater
• Sopwith 1913 Circuit of Britain floatplane
• Sopwith Type TT

Engines on display

A preserved Green E.6 engine is on public display at the Fleet Air Arm Museum, RNAS Yeovilton.

Specifications (E.6)

Data from Lumsden^[2]

General characteristics

• Type: 6-cylinder, inline, upright piston engine
• Bore: 5.51 in (140 mm)
• Stroke: 5.98 in (152 mm)
• Displacement: 855.54 cu in (14.03 L)
• Dry weight: 440 lb (200 kg)

Components

• Valvetrain: Gear driven overhead camshaft, two valves per cylinder
• Fuel type: 40-50 octane petrol
• Cooling system: Water-cooled
• Reduction gear: Direct drive, right-hand tractor

Performance

• Power output: 120 hp (89.5 kW) at 1,300 rpm (maximum power)
• Specific power: 0.14 hp/cu in (6.4 kW/L)
• Power-to-weight ratio: 0.27 hp/lb (0.45 kW/kg)

See also

• Green C.4

Comparable engines

• Austro-Daimler 6
• Beardmore 120 hp

Related lists

• List of aircraft engines

References

Notes

1. Gunston 1986, p. 74.
2. Lumsden 2003, p. 156.

Bibliography

• Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
• Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.