Arrow 500
| Arrow 500 | |
|---|---|
| Type | Two-stroke aircraft engine |
| National origin | Italy |
| Manufacturer | Arrow SNC |
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The Arrow 500 is a twin-cylinder, horizontally opposed, two-stroke, single or dual ignition, aircraft engine that was designed for ultralight aircraft by Arrow SNC of Italy.[1][2]
The Arrow family of engines are modular in design and share the same pistons, cylinders and gearboxes assembled around different crankcase designs, giving one-, two- or four-cylinder engines.[1] Arrow engines are no longer in production.
Development
The 500 is a conventional twin-cylinder engine that weighs 88 lb (40 kg). The engine features single or optional dual ignition, reed valve induction, free air cooling, tuned exhaust system, a single slide venturi-type Bing carburetor, fuel pump, Nikasil cylinder coatings. The engine was offered with a gearbox reduction system that included a one way clutch. Starting is electric starter with no provision for a recoil starter.[1]
The 500 produces 65 hp (48 kW), runs on premium unleaded auto fuel and has a recommended time between overhaul of 400 hours.[1][2]
The tuned exhaust supplied with the engine has been criticized as "cumbersome" and needing modification to fit most aircraft.[1]
Specifications (Arrow 500)
Data from Cliche[1]
General characteristics
- Type: Twin-cylinder, horizontally opposed two-stroke aircraft engine
- Displacement: 500 cc (30.51 cu in)
- Dry weight: 88 lb (40 kg)
Components
- Valvetrain: reed valve
- Oil system: premixed oil and fuel
- Cooling system: air-cooled
- Reduction gear: gearbox
Performance
- Power output: 65 hp (48 kW)
See also
References
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