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The Continental O-300 and the C145 are a family of air-cooled flat-6 aircraft piston engines built by Teledyne Continental Motors.

First produced in 1947, versions were still in production . It was produced under licence in the United Kingdom by Rolls-Royce in the 1960s.

Development

thumb|right|Continental O-300 engine installation in a [[Cessna 172]]

The C-145 was developed from the C-125 engine. Both powerplants share the same crankcase, although the C-145 produces an additional through a longer piston stroke, higher compression ratio of 7.0:1 and different carburetor jetting.

Variants

;C145

:Six-cylinder, , direct-drive engine.

;GO-300

:Geared O-300, at 3200 crankshaft rpm, 2400 propeller rpm.

  • Cessna 170
  • Cessna 172 and T-41 Mescalero
  • Maule M-4
  • Meyers MAC-145
  • Taylorcraft 15
  • Temco TE-1A

GO-300

  • Cessna 175
  • Goodyear GZ-19 and GZ-19A

Voyager 300

  • Alexeev Strizh

Specifications (O-300)

<small>Reference: Engines for Homebuilt Aircraft & Ultralights