O-235/4A-235/Sport 4
Type Piston aircraft engine
National origin United States
Manufacturer Franklin Engine Company/WSK-PZL
First run 1964

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).

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

Components

  • Cooling system: Air-cooled

Performance

  • Power output: 130 hp (75 kW) at 2,800 rpm

See also

Comparable engines

Related lists

References

Notes
    Bibliography
    • Gunston, Bill. (1986) World Encyclopedia of Aero Engines. Patrick Stephens: Wellingborough. p. 57
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