Curtiss R-600 Challenger

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The Curtiss R-600 Challenger was a six-cylinder, double-row, air-cooled, radial engine for aircraft use built in the United States in the late 1920s. It developed 170 to 180 horsepower (127 to 134 kW).

R-600 Challenger
Preserved R-600 engine
Type Radial engine
Manufacturer Curtiss Aeroplane and Motor Company
First run 1920s

Design and development

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Curtiss started work on a small six-cylinder engine in May 1927.[1] The engine was unusual in its design with aluminium cylinders mounted at 60°, so that it was in effect two staggered three cylinder engines.[2] The engine was first run in December 1927, and was taken to market producing between 170 and 180 horsepower (127 and 134 kW) at 1,800 rpm.[1]

Applications

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Specifications (R-600)

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Data from Nutt, 1928 p.842[3]

General characteristics

  • Type: Six-cylinder, double-row, radial engine
  • Bore: 5.125 in (130.2 mm)
  • Stroke: 4.875 in (123.8 mm)
  • Displacement: 603.4 cu in (9.89 L)
  • Diameter: 42.625 in (1082.7 mm)
  • Dry weight: 420lb (190.5 kg)

Components

  • Cooling system: Air-cooled

Performance

  • Power output: 170 hp (127 kW) at 1,800 rpm

See also

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Comparable engines

Related lists

References

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Citations

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  1. ^ a b Nutt 1928, p. 840.
  2. ^ Nutt 1928, p. 809.
  3. ^ Nutt 1928, p. 842.

Bibliography

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  • Nutt, Arthur (8 September 1928). "The Curtiss "Challenger"". Aviation: 808–842.
  • USAF museum
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  Media related to Curtiss R-600 at Wikimedia Commons