Franklin O-265

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

References

Notes

Bibliography

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