Puneet Varma (Editor)

Welch O 2

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The Welch O-2 is a light two-cylinder engine developed for the Welch OW-7M series of aircraft.

Contents

General characteristics

  • Type: air-cooled 2-cylinder horizontally opposed aircraft piston engine
  • Bore: 4.5 in
  • Stroke: 4.25 in
  • Displacement: 135 inĀ³
  • Dry weight: 115 lb
  • Components

  • Oil system: dry sump
  • Cooling system: Air-cooled
  • Performance

  • Power output: 41hp at 2,300 rpm
  • Compression ratio: 5.2:1
  • References

    Welch O-2 Wikipedia