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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

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

Specifications (377)

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

• Power output: 26 kW (35 hp) at 6500 rpm
• Power-to-weight ratio: 0.67 kW/kg (0.41 hp/lb)

See also

• Arrow 250
• JPX PUL 425
• Kawasaki 440

References

На других языках

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[de] Rotax 377

Der Rotax 377 ist ein Zweitaktmotor für Ultraleichtflugzeuge. Der Reihenzweizylinder mit 35 PS (26 kW) wurde von der BRP-Rotax GmbH & Co KG in Österreich gebaut.[1][2]

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- [en] Rotax 377

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