The Rotax 377 is a 35 hp (26 kW), twin-cylinder, two-stroke aircraft engine, that was built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.[1][2]

377
Type Piston aero-engine
National origin Austria
Manufacturer Rotax
Major applications Ultralight aircraft

Development

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The Rotax 377 features piston-ported, air-cooled cylinder heads and cylinders, utilizing either a fan or free air for cooling. Lubrication is by use of pre-mixed fuel and oil. The 377 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 377 is no longer in production.[1]

Applications

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Specifications (377)

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Data from ROTAX 377 UL Data Sheet[1]

General characteristics

  • Type: two-stroke air-cooled aeroengine
  • Bore: 62 mm (2.44 in)
  • Stroke: 61 mm (2.40 in)
  • Displacement: 368.3 cc (22.48 cu in)
  • Dry weight: 38.4 kg (84.6 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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  1. ^ a b c d BRP-Rotax GmbH & Co. KG (n.d.). "ROTAX 377 UL - 35 HP" (PDF). Retrieved 14 March 2009.{{cite web}}: CS1 maint: year (link)
  2. ^ a b Raisner, William: LEAF catalog, pages 6-105. Leading Edge Airfoils, 1995.
  3. ^ Civil Aviation Authority (United Kingdom) (1995). "CIVIL AVIATION AUTHORITY – SAFETY REGULATION GROUP MICROLIGHT TYPE APPROVAL DATA SHEET (TADS)". Retrieved 14 March 2009.