Continental R-670

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R-670
An R-670 fitted to a Boeing Stearman at the Imperial War Museum Duxford
Type Piston aircraft engine
Manufacturer Continental Motors
First run 1934
Major applications PT-17 Stearman

The Continental R-670 (factory designation W-670) was a seven cylinder 4-cycle radial aircraft engine produced by Continental displacing 668 cubic inches and a dry weight of 465 lb (211 kg). Horsepower varied from 210 to 240 at 2200 rpm. This engine was used on many airplanes in the 1930s and 1940s. The R-670 was widely used in the PT-17 Stearman primary training aircraft of the U.S. military.[1]

In addition to being used in aircraft, the R-670 was used in a number of light armored vehicles of World War II.

Contents

[edit] Applications

[edit] Specifications (R-670-K)

Data from Jane's[2]

General characteristics

  • Type: Seven cylinder air-cooled radial
  • Bore: 5 18 in (130.2mm)
  • Stroke: 4 58 in (117.5mm)
  • Displacement: 668 cu in (10.94 L)
  • Length: 31.2 in (792mm)
  • Diameter: 42.50 in (1,079.5mm)
  • Dry weight: 460 lbs (209 kg)

Components

  • Valvetrain: 1 inlet and 1 exhaust valve per cylinder
  • Fuel system: 1 Stromberg Carburetor
  • Fuel type: 65 octane
  • Cooling system: air

Performance

[edit] See also

Comparable engines
Related lists

[edit] References

[edit] Notes

  1. ^ Gunston 1989, p.42.
  2. ^ Jane's 1998, p.304

[edit] Bibliography

  • Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
  • Jane's Fighting Aircraft of World War II. London. Studio Editions Ltd, 1998. ISBN 0-517-67964-7

[edit] External links

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