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2si 230
Cuyuna 230


The basic engine was originally designed and produced by JLO of Germany and was later acquired by the AMW Cuyuna Engine Company of Beaufort, South Carolina and marketed under the Cuyuna brand name. Later the engine was marketed by Cuyuna under the Two Stroke International (2si) brand. Cuyuna no longer markets engines for aircraft use although the 230 was still in production as a diesel/multifuel or gasoline industrial and marine engine.
The 230 is a conventional single-cylinder two-stroke engine that weighs only 36 lb (16 kg) in its A20 version. The engine features single capacitor discharge ignition, piston porting, tuned exhaust system, slide venturi-type carburettor, fuel pump, a cast iron cylinder liner, ball, needle and roller bearings throughout. The engine was offered with cog belt drive or a gearbox reduction system. Starting is electric starter or recoil starter.

Variants

230-A20 - Gasoline aircraft engine, 20 hp (15 kW) at 6000 rpm, weight 36 lb (16 kg), out of production.

230-F22 - Gasoline aircraft engine, 22 hp (16 kW) at 6500 rpm, weight 48 lb (22 kg), out of production.

Specifications

230-A20
Type: Single-cylinder, two-stroke aircraft engine
Bore: 69.5 mm (2.74 in)
Stroke: 60.0 mm (2.36 in)
Displacement: 228 cc (13.91 cu in)
Length: 11.7 in (297.18 mm)
Width: 14.6 in (370.84 mm)
Height: 14.0 in (355.60 mm)
Dry weight: 36 lb (16 kg)
Valvetrain: piston porting
Fuel type: Minimum 92 octane
Oil system: premixed oil and fuel
Cooling system: air-cooled
Reduction gear: cog belt or optional gearbox
Power output: 20 hp (15 kW) at 6000 rpm

 

230F-22
Cycle: 2
No cylinders: 1
Bore: 69.50 mm
Stroke: 60 mm
Displacement: 228 cc
Cooling: Air
Ignition: Coil
Reduction: Poly-V belt
Reduction Ratio: 2.5-1
Weight: 20 kg
Max pwr: 22 hp at 6500 rpm
Price 1998: 14,000 Fttc
 
230F-20
Cycle: 2
No cylinders: 1
Bore: 69.5 mm
Stroke: 60 mm
Displacement: 228 cc
Cooling: Air
Ignition: Coil
Reduction: Poly-V belt
Reduction Ratio: 2.04-1 to 3.06-1
Weight: 22 kg
Max pwr: 20 hp at 6500 rpm
Price 1998: 15,500 Fttc

 

 

 

 

 


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