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Arrow SNC 250

The Arrow 250 is a family of single-cylinder, two-stroke, single- or dual-ignition aircraft engines that were designed for ultralight aircraft by Arrow SNC of Italy.

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.

The 250 is a conventional single-cylinder engine that weighs only 13 lb (6 kg). The engine features single- or optional dual-ignition, reed valve induction, free air cooling, tuned exhaust system, a 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.

The tuned exhaust supplied with the engine has been criticized as "cumbersome" and needing modification to fit most aircraft.

Arrow engines are no longer in production.


Gasoline aircraft engine, 34 hp (25 kW). Out of production.

270 AC
Gasoline aircraft engine, 35 hp (26 kW) at 6800 rpm, weight 13.2 lb (6.0 kg) with carburetor, alternator, fuel pump and starter. Out of production.


Arrow 250
Type: Single-cylinder, two-stroke aircraft engine
Displacement: 250 cc (15.26 cu in)
Dry weight: 13.2 lb (6 kg)
Valvetrain: reed valve
Oil system: premixed oil and fuel
Cooling system: air-cooled
Reduction gear: gearbox
Power output: 34 hp (25 kW)


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