Franklin O-235
The Franklin O-235 (company designation 4A-235 and Sport 4) is an American air-cooled aircraft engine that first ran in the mid-1960s. The engine is of four-cylinder, horizontally-opposed layout and displaced 235 cu in (4 L). The power output is nominally 125 hp (93 kW).
| O-235/4A-235/Sport 4 | |
|---|---|
| Type | Piston aircraft engine |
| National origin | United States |
| Manufacturer | Franklin Engine Company/WSK-PZL |
| First run | 1964 |
Variants
- 4A-235
- 130 hp (97 kW) at 2,800 rpm
- Sport 4
- 125 hp (93 kW) at 2,800 rpm
Applications
Specifications (4A4-235)
Data from
General characteristics
- Type: 4-cylinder air-cooled horizontally opposed aircraft piston engine
- Bore: 4.625 in (117.5 mm)
- Stroke: 3.5 in (88.9 mm)
- Displacement: 235.2 in³ (3.85 L)
- Dry weight: 223 lb (101 kg)
Components
- Cooling system: Air-cooled
Performance
- Power output: 130 hp (75 kW) at 2,800 rpm
References
- Notes
- Bibliography
- Gunston, Bill. (1986) World Encyclopedia of Aero Engines. Patrick Stephens: Wellingborough. p. 57
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