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From Wikipedia, the free encyclopedia

As 411
Argus As 411 A 1.jpg
Preserved Argus As 411
Type Piston aircraft engine
Manufacturer Argus Motoren
Major applications Arado Ar 96
Focke-Wulf Fw 189
Number built 2,600

The Argus 411 was a twelve-cylinder, air-cooled, inverted-V12 aircraft engine developed by Argus Motoren in Germany during World War II.[1]

Design and development

The As 411 was a refined and more powerful version of the Argus As 410. Most 411 production was undertaken by Renault in occupied Paris, these engines were used to power the Siebel Si 204 and the post war Dassault MD 315 Flamant. It developed 600 PS (592 hp, 441 kW) at 3,300 rpm

Following the end of World War II, Renault continued to manufacture the engine as the Renault 12S. After merging the French aircraft engine manufacturers into SNECMA in 1945, production continued under the new designation SNECMA 12S.

Variants

Argus As 411A in Deutsches Museum München
Argus As 411A in Deutsches Museum München
As 411
A refined and more powerful version of the Argus As 410.
Renault 12S
Production of the As 411 after World War II in France.
SNECMA 12S
(a.k.a. SNECMA Renault 12S) Designation change on the formation of SNECMA.
SNECMA 12T
(a.k.a. SNECMA Renault 12T) Refined version of the 12S with new pistons, cylinders and revised induction system.
SNECMA 12T-303
Dassault propeller
SNECMA 12T-312
Ratier propeller

Applications

Specifications (SNECMA 12S)

Data from Aircraft engines of the World 1953[2]

General characteristics

  • Type: 12-cylinder inverted 60-degree Vee
  • Bore: 105 mm (4.1 in)
  • Stroke: 115 mm (4.5 in)
  • Displacement: 12 l (730 cu in)
  • Length: 1,620 mm (64 in)
  • Width: 700 mm (28 in)
  • Height: 992 mm (39.1 in)
  • Dry weight: 369 kg (814 lb)

Components

  • Valvetrain: One exhaust and one inlet valve per cylinder, push-rod operated.
  • Supercharger: Gear driven centrifugal supercharger, 9.25:1 drive ratio.
  • Fuel system: 1x Bronzavia 92-195A1 updraught carburetor with automatic boost and altitude control.
  • Fuel type: 100/130 Aviation gasoline
  • Oil system: Pressure fed 3.9 bar (57 psi)
  • Cooling system: Air-cooled
  • Reduction gear: Planetary reduction gear: 0.572:1
  • Air equipment 50-920 electric inertia starter

Performance

  • Power output:
Take-off:450 kW (600 hp) at 3,300 rpm / 1,325 mmHg (52.2 inHg) +5.0 kg (11.1 lb) boost
Normal:330 kW (440 hp) at 3,250 rpm at 2,400 m (7,900 ft)
Cruising, max:260 kW (350 hp) at 3,100 rpm at 2,600 m (8,500 ft)

See also

Comparable engines

Related lists

References

  1. ^ Gunston, Bill (1989). World Encyclopaedia of Aero Engines (2nd ed.). Cambridge, England: Patrick Stephens Limited. p. 16. ISBN 978-1-85260-163-8.
  2. ^ Wilkinson, Paul H. (1953). Aircraft engines of the World 1953 (11th ed.). London: Sir Isaac Pitman & Sons Ltd. pp. 296–297.

Further reading

  • Bridgman, Leonard, ed. (1989). Jane's Fighting Aircraft of World War II (1995 ed.). New York: Military Press. ISBN 0517679647.
This page was last edited on 8 March 2020, at 20:17
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