- 2si 230
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2si 230 Type Two-stroke aircraft engine National origin United States Manufacturer 2si The 2si 230 is a family of single-cylinder, two-stroke, single ignition, aircraft engines that were designed for ultralight aircraft.[1]
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 is still in production as a diesel/multifuel or gasoline industrial and marine engine.[1][2][3][4]
Contents
Development
The 230 is a conventional single-cylinder 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 carburetor, 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.[1]
Variants
- 230-A20
- Gasoline aircraft engine, 20 hp (15 kW) at 6000 rpm, weight 36 lb (16 kg), out of production.[1]
- 230F-20
- Gasoline industrial engine, 20 hp (15 kW) at 6000 rpm, weight 47 lb (21 kg) without gearbox, still in production.[4]
- 230-F22
- Gasoline aircraft engine, 22 hp (16 kW) at 6500 rpm, weight 48 lb (22 kg), out of production.[1][5]
- 230 MF
- Diesel/multifuel industrial and marine engine, 15 hp (11 kW) at 5700 rpm, still in production.[3]
Specifications (230-A20)
Data from Cliche[1]
General characteristics
- 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)
Components
- 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
Performance
- Power output: 20 hp (15 kW) at 6000 rpm
See also
- List of aircraft engines
- Hirth F33
- KFM 107
- Rotax 277
References
- ^ a b c d e f Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, page G-2 Cybair Limited Publishing, 2001. ISBN 0-9680628-1-4
- ^ Two Stroke International (undated). "2si Company Profile". http://www.2si.com/2si_company_profile.htm. Retrieved 2010-02-16.
- ^ a b 2si (undated). "Diesel / Multi-fuel Engine - Model 230 MF - Marine and Industrial Applications". http://www.2si.com/230_mf_spec.htm. Retrieved 2010-02-17.
- ^ a b 2si (undated). "Engine Model 230F – 20". http://www.2si.com/230F-20_spec.htm. Retrieved 2010-02-17.
- ^ Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, page 69. BAI Communications. ISBN 0-9636409-4-1
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