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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. Arrow engines are no longer in production.
The 500 is a conventional twin-cylinder engine that weighs Script error: No such module "convert".. 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.
The tuned exhaust supplied with the engine has been criticized as "cumbersome" and needing modification to fit most aircraft.
Specifications (Arrow 500)
Data from Cliche
- Type: Twin-cylinder, horizontally opposed two-stroke aircraft engine
- Displacement: 500 cc (30.51 cu in)
- Dry weight: Script error: No such module "convert".
- Valvetrain: reed valve
- Oil system: premixed oil and fuel
- Cooling system: air-cooled
- Reduction gear: gearbox
- Power output: Script error: No such module "convert".