Gnome Delta

Delta
Type	Rotary aero engine
Manufacturer	Société des Moteurs Gnome
First run	c.1909
Major applications	Avro 500 Vickers F.B.9 Gunbus
Unit cost	22,000 Francs

This article refers to the two-valve Gnome rotary engine (automatic inlet valve in the piston crown and pushrod operated exhaust valve). For the 100 hp Monosoupape engine go to Gnome Monosoupape 9 Type B-2, (Monosoupape engines had a single pushrod operated exhaust valve and inlet ports exposed by the piston near bottom dead centre).

The Gnome 9 Delta was a French designed, nine-cylinder, air-cooled rotary aero engine that was produced under license in Britain. Powering several World War I era aircraft types it produced 100 horsepower (75 kW) from its capacity of 16 litres (990 cubic inches).

List from Lumsden

Data from Lumsden.

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