Gnome Delta

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Delta
Gnome Delta p1040425.jpg
Gnome 9 Delta on display at the Musée des Arts et Métiers, Paris
Type Rotary aero engine
Manufacturer Gnome et Rhone
First run c.1909
Major applications Avro 500
Vickers F.B.9 Gunbus

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). [1][clarification needed]]]

Applications[edit]

List from Lumsden

Engines on display[edit]

Specifications (9 Delta)[edit]

Data from Lumsden.[1]

General characteristics

  • Type: 9-cylinder, single-row, rotary engine
  • Bore: 124 mm (4.9 in)
  • Stroke: 150 mm (5.9 in)
  • Displacement: 16.28 L (993.23 cu in)
  • Length: 115 cm (45.3 in)
  • Diameter: 102 cm (40.2 in)

Components

  • Valvetrain: Automatic centre-piston inlet valve, one overhead exhaust valve per cylinder [2]
  • Cooling system: Air-cooled
  • Reduction gear: Direct drive, right-hand tractor, left-hand pusher

Performance

  • Power output: 75 kW (100 hp) at 1,200 rpm

See also[edit]

Comparable engines
Related lists

References[edit]

Notes[edit]

  1. ^ a b Lumsden 2003, p. 152.
  2. ^ Angle 1921, p. 212.

Bibliography[edit]