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Hirth F-263
German two-stroke aircraft engine From Wikipedia, the free encyclopedia
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The Hirth F-263 is a twin cylinder, in-line, two stroke, carburetted aircraft engine that was designed for use on ultralight aircraft. It was manufactured by Hirth of Germany, but was discontinued about 2001.[1]
Development
The F-263 uses fan cooling and piston-ported induction, with a single Bing carburetor and single capacitor discharge ignition. The cylinder walls are electrochemically coated with Nikasil. Standard starting is recoil start. A gearbox reduction drive system and electric start were factory options.[1]
The engine produces 31 hp (23 kW) and runs on a 50:1 pre-mix of unleaded 93 octane auto fuel and oil. Recommended time between overhauls is 1000 hours.[1]
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Specifications (F-263)
Data from Cliche[1]
General characteristics
- Type: Twin cylinder, two-stroke, aircraft engine
- Displacement: 383 cc (23.4 cu in)
- Dry weight: 70 lb (31.8 kg)
Components
- Valvetrain: piston-ported
- Fuel system: 1 X Bing carburetor
- Fuel type: unleaded 93 octane auto fuel
- Oil system: 50:1 fuel/oil premix
- Cooling system: fan forced air
- Reduction gear: optional gearbox
Performance
- Power output: 30 hp (22 kW)
See also
References
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