Gnome Sigma Explained

The Gnome 7Σ Sigma (commonly called the Gnome 60 hp) is a French seven-cylinder, air-cooled rotary aero engine.

The Sigma produced 60hp from its capacity of 9.5abbr=onNaNabbr=on.

References

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