Franklin O-265

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O-265/6AC-264
Type Piston aircraft engine
National origin United States
Manufacturer Franklin Engine Company
First run 1940

The Franklin O-265 (company designation 6AC-264) was an American air-cooled aircraft engine of the early 1940s. The engine was of six-cylinder, horizontally-opposed layout and displaced 265 cu in (4 L). The power output ranged between 120 hp (89 kW) and 140 hp (104 kW) depending on variant. The 6ACG-264 featured a geared propeller drive.

Variants[]

6AC-264
110 hp (82 kW) at 2,600 rpm
6ACG-264
138 hp (103 kW) at 3,100 rpm

Applications[]

Specifications (6AC-264)[]

Data from[citation needed]

General characteristics

  • Type: 6-cylinder air-cooled horizontally opposed aircraft piston engine
  • Bore: 4.0 in (101.6 mm)
  • Stroke: 3.5 in (88.9 mm)
  • Displacement: 263.9 in³ (4.32 L)
  • Dry weight: 248 lb (112 kg)

Components

  • Cooling system: Air-cooled

Performance

  • Power output: 120 hp (89 kW) at 2,600 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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