Gnome Lambda
| Lambda | |
|---|---|
 |
|
| The Sopwith Tabloid replica on display at the Royal Air Force Museum is fitted with an original Gnome 7 Lambda engine. | |
| Type | Rotary aero engine |
| Manufacturer | Gnome et Rhone |
| First run | c.1916 |
| Major applications |
Avro 504 Bristol Boxkite Bristol Scout |
| Number built | 979 (British production) |
The Gnome 7 Lambda was a French designed, seven-cylinder, air-cooled rotary aero engine that was produced under license in Britain and Germany. Powering several World War I era aircraft types it was claimed to produce 80 horsepower (60 kW) from its capacity of 12 litres (720 cubic inches) although recorded figures are lower.
Just under 1,000 units were produced in Britain, the majority (967) by the Daimler Company of Coventry. A 14-cylinder variant was known as the Gnome 14 Lambda-Lambda.
In Germany Motorenfabrik Oberursel license-built the seven-cylinder engine as the Oberursel U.0 and later copied the 14-cylinder design and designated it as the Oberursel U.III.
List from Lumsden
An original Gnome 7 Lambda engine is installed in the Sopwith Tabloid replica aircraft on display in the Grahame-White hall of the Royal Air Force Museum London.
Data from Lumsden.
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