The Gnome 7 Gamma was a French designed, seven-cylinder,

air-cooled Air-cooled engines rely on the circulation of air directly over heat dissipation fins or hot areas of the engine to cool them in order to keep the engine within operating temperatures. Air-cooled designs are far simpler than their liquid-cooled ...

rotary

aero engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Aircraft using power components are referred to as powered flight. Most aircraft engines are either piston engines or gas turbin ...

. Powering several pre-

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

era aircraft types it produced 70

horsepower Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are t ...

(52 kW) from its

capacity Capacity or capacities may refer to: Mathematics, science, and engineering * Capacity of a container, closely related to the volume of the container * Capacity of a set, in Euclidean space, the total charge a set can hold while maintaining a giv ...

of 12 litres (680 cubic inches).Lumsden 2003, p. 151. A 14-cylinder variant was known as the Gnome 14 Gamma-Gamma.

Variants

;Gnome 7 Gamma :Seven-cylinder, single-row rotary engine. ;Gnome 14 Gamma-Gamma :14-cylinder, two-row rotary engine using Gamma cylinders. 140 hp (104 kW).

Applications

''List from Lumsden''

Gnome 7 Gamma

Blériot XXI The Blériot XXI was an early French aircraft built by Blériot Aéronautique. Design The aircraft was a shoulder-wing monoplane powered by a 52 kW (70 hp) Gnome Gamma 7-cylinder rotary engine driving a two-bladed propeller. The pilot ...

Bristol Biplane Type T The Bristol Biplane Type 'T', sometimes called the Challenger-Dickson Biplane, was a derivative of the Bristol Boxkite. It was built in 1911 by the British and Colonial Aeroplane Company and was designed as a cross-country racing aircraft for M ...

* Bristol Prier-Dickson *

Henry Farman Biplane The Farman III, also known as the Henry Farman 1909 biplane, was an early French aircraft designed and built by Henry Farman in 1909. Its design was widely imitated, so much so that aircraft of similar layout were generally referred to as being ...

Grahame-White Passenger Biplane VIIc Grahame-White was an early British aircraft manufacturer, flying school and later manufacturer of cyclecars. The company was established as ''Grahame-White Aviation Company'' by Claude Grahame-White at Hendon in 1911. The firm built mostly aircra ...

Handley Page H.P.3 __NOTOC__ The Handley Page Type A, sometimes called "Bluebird" and later designated HP.1, was the first powered aircraft designed and built by Frederick Handley Page.Orbis 1985, p. 2059 Development Following success in 1909 with an experimenta ...

* Morane-Borel seaplane * Nieuport Monoplane * Paulhan Biplane *

Royal Aircraft Factory B.E.3 The Royal Aircraft Factory B.E.3 was a single-engined rotary engined biplane developed by the British Royal Aircraft Factory prior to the First World War. The B.E.4 and B.E.7 were virtually identical aircraft that differed only in the engine fit ...

Royal Aircraft Factory B.E.4 The Royal Aircraft Factory B.E.3 was a single-engined rotary engined biplane developed by the British Royal Aircraft Factory prior to the First World War. The B.E.4 and B.E.7 were virtually identical aircraft that differed only in the engine fit ...

Short School Biplane Short may refer to: Places * Short (crater), a lunar impact crater on the near side of the Moon * Short, Mississippi, an unincorporated community * Short, Oklahoma, a census-designated place People * Short (surname) * List of people known as ...

* Short S.32 *

Short S.36 The Short S.36 was a British two-seat tractor biplane, built by Short Brothers for Francis McClean in 1911. It was later developed into the Short S.41 and Short S.45, which were the first of a long series of similar aircraft built for the RNAS ...

Short S.38 The Short S.38 was an early British aircraft built by Short Brothers. Design and development The Short S.38 was originally a Short S.27 with the manufacturer's number S.38. After an accident when hoisting this aircraft aboard the remains were ...

Short S.45 The Short S.45 — also known as the Short T.5 after its naval serial number — was a training biplane built for Britain's Royal Navy by Short Brothers in 1912. It was the forerunner of another three identical aircraft (designated S.48, S.49, ...

* Sopwith Three-Seater * Vickers No.6 Monoplane *

Vickers No.8 Monoplane The Vickers R.E.P. Type Monoplanes were a series of single-engined monoplane aircraft built by Vickers prior to the outbreak of the First World War. They were developed from a French design for which Vickers had purchased a license, with eight b ...

Gnome 14 Gamma-Gamma

Royal Aircraft Factory B.E.7 The Royal Aircraft Factory B.E.3 was a single-engined rotary engined biplane developed by the British Royal Aircraft Factory prior to the First World War. The B.E.4 and B.E.7 were virtually identical aircraft that differed only in the engine fit ...

Short S.41 The Short S.41 was a British single-engined biplane built for the Royal Navy in 1912. Capable of being operated either on wheels or floats, it was successful enough for a further two similar aircraft to be built, with the type remaining in use ...

Specifications (Gnome 7 Gamma)

References

Notes

Bibliography

* Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. . {{Gnome-Rhône aeroengines Air-cooled aircraft piston engines 1910s aircraft piston engines

Gamma Gamma (; uppercase , lowercase ; ) is the third letter of the Greek alphabet. In the system of Greek numerals it has a value of 3. In Ancient Greek, the letter gamma represented a voiced velar stop . In Modern Greek, this letter normally repr ...

Rotary aircraft piston engines