The Gnome 7Σ Sigma (commonly called the Gnome 60 hp) is a French 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 ...

. The Sigma produced 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 .

Specifications (7 Sigma)

Gnome Sigma longitudinal elevation - Moteurs Gnome October 1913

References

Notes

Bibliography

* Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. .

External links

Smithsonian/NASM's page on Gnome Omega No.1

Video of April 2009 ground runup of a restored Gnome Omega in the USA
{{Gnome-Rhône aeroengines Air-cooled aircraft piston engines 1900s aircraft piston engines

Sigma Sigma ( ; uppercase Σ, lowercase σ, lowercase in word-final position ς; ) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 200. In general mathematics, uppercase Σ is used as an operator ...

Rotary aircraft piston engines

Specifications (7 Sigma)

See also

References

Notes

Bibliography

External links