The Gnome 7Σ Sigma (commonly called the Gnome 60 hp) is a French seven-cylinder, air-cooled rotary aero engine.[1]
| Sigma | |
|---|---|
| Gnome 7 Sigma as shown in a 1913 Gnome catalog | |
| Type | Rotary aero engine |
| National origin | France |
| Manufacturer | Société des Moteurs Gnome |
The Sigma produced 60 hp (45 kW) from its capacity of 9.5 l (579.73 cu in).

Data from Société Des Moteurs Gnome[2]
Comparable engines
Related lists
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|---|---|
| Gnome rotary engines |
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| Le Rhône rotary engines | |
| Gnome et Rhône radial engines | |