Gnome Sigma

The Gnome 7Σ Sigma (commonly called the Gnome 60 hp) is a French seven-cylinder, air-cooled aero engine. The Sigma produced 60 hp (45 kW) from its capacity of 9.5 l (579.73 cu in).

Gnome Sigma

The Gnome 7Σ Sigma (commonly called the Gnome 60 hp) is a French seven-cylinder, air-cooled aero engine. The Sigma produced 60 hp (45 kW) from its capacity of 9.5 l (579.73 cu in).