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Rotax 277
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Rotax 277

277
Type Piston aero-engine
National origin Austria
Manufacturer Rotax
Major applications Ultralight aircraft

The Rotax 277 is a 26 hp (19 kW), single-cylinder, two-stroke aircraft engine, that was built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.[1][2]

Development

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The Rotax 277 features a single piston ported, air-cooled cylinder head and cylinder, utilizing either a fan or free air for cooling. Lubrication is pre-mixed fuel and oil. The 277 has a single Bosch flywheel magneto generator 12 volt ignition system and is equipped with a 36 mm Bing double float carburetor, with either a hand lever or cable choke.[1][2]

The Rotax 277 is no longer in production.[1]

Applications

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Specifications (277)

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Data from ROTAX 277 UL Data Sheet[1]

General characteristics

  • Type: two-stroke air-cooled aeroengine
  • Bore: 72 mm (2.83 in)
  • Stroke: 66 mm (2.60 in)
  • Displacement: 268.7 cc (16.40 cu in)
  • Dry weight: 29.5 kg (65 lb) (complete including reduction drive and exhaust system)

Components

  • Valvetrain: piston ports
  • Fuel system: pneumatic pump pressurized
  • Fuel type: premium unleaded autofuel
  • Oil system: premixed in the fuel at 50:1
  • Cooling system: fan or free air

Performance

See also

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References

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