Armstrong Siddeley Serval

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The Armstrong Siddeley Serval is an aircraft engine that the British manufacturer Armstrong Siddeley built from 1928. The two-row 10-cylinder radial engine has a displacement of 17,698 cm³. The first version was initially also called Double Mongoose . In keeping with the manufacturer's tradition of naming motors after the feline family , the motor was named after the serval .

construction and development

The Serval was developed from the 5-cylinder radial engine Mongoose . In principle, there were two Mongoose that were installed with a common crankcase . This engine was built in different versions, each with an output of around 340 bhp (254 kW).

variants

Serval I, initially Double Mongoose
1931, 340 hp (254 kW).
Serval III
1932
Serval IIIB
1932, 310 bhp (232 kW).
Serval IV
310 bhp (232 kW).
Serval V
1933, 340 bhp (254 kW).

Aircraft with Armstrong Siddeley Serval

Saro Cloud with Armstrong-Siddeley serval motors

Data (Serval I)

General

  • Two-row 10-cylinder radial engine, air-cooled
  • Bore: 127 mm
  • Stroke: 139.7 mm
  • Displacement: 17,698 cm³
  • Length: 1378 mm
  • Diameter: 1158 mm
  • Weight: 324 kg

Components

power

  • Power: 340 bhp (254 kW) at 3000 rpm. at a height of 0 m
  • Output per liter: 14.35 kW / l
  • Compression: 5: 1
  • Power-to-weight ratio : 1.276 kg / kW

Individual evidence

  1. ^ Bill Gunston: World Encyclopedia of Aero Engines . Patrick Stephens, Cambridge 1989. ISBN 1-85260-163-9 . P. 17.
  2. ^ Alec Lumsden: British Piston Engines and their Aircraft . Airlife Publishing, Marlborough, Wiltshire 2003. ISBN 1-85310-294-6 . P. 77.

literature

  • Alec Lumsden: British Piston Engines and their Aircraft . Airlife Publishing, Marlborough, Wiltshire 2003. ISBN 1-85310-294-6
  • Bill Gunston: World Encyclopedia of Aero Engines . Patrick Stephens, Cambridge 1989. ISBN 1-85260-163-9

Web links