Rotax 377
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
- Advanced Aeromarine Buccaneer XA
- Aerodyne Systems Vector
- Airdrome Dream Fantasy Twin
- Airdrome Fokker D-VIII
- APEV Pouchel II
- APEV Pouchel Classic
- APEV Pouchel Light
- APEV Scoutchel
- Bagalini Bagalini
- Birdman Chinook WT-11
- Canaero Toucan
- Dalby Pouchel
- Quicksilver MX
- Hummel CA-2
- Loehle Spad XIII
- Rotec Rally
- Sirocco 377GB[3]
- Sorrell Guppy
- Spectrum Beaver RX-35
- Star Flight TX-1000
- Ultralight Engineering Astra
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)
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References
- BRP-Rotax GmbH & Co. KG (n.d.). "ROTAX 377 UL - 35 HP" (PDF). Retrieved 2009-03-14.
- Raisner, William: LEAF catlog, pages 6-105. Leading Edge Airfoils, 1995.
- Civil Aviation Authority (United Kingdom) (1995). "CIVIL AVIATION AUTHORITY – SAFETY REGULATION GROUP MICROLIGHT TYPE APPROVAL DATA SHEET (TADS)". Retrieved 2009-03-14.
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