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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

• Bellanca Cruisair
• Northrop N-1M
• Vultee Stinson Model 75

Specifications (6AC-264)

Data from

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

• Continental O-280

Related lists

• List of aircraft engines

References

Notes

Bibliography

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

• Franklin aircraft engines
• 1940s aircraft piston engines
• Boxer engines