Franklin O-350

O-350/6A-350
Type Piston aircraft engine
National origin United States
Manufacturer Franklin Engine Company/WSK-PZL
First run 1964
Developed from Franklin O-335

The Franklin O-350 (company designation 6A-350) was an American air-cooled aircraft engine of the 1960s. The engine was of six-cylinder, horizontally-opposed layout and displaced 350 cu in (6 L). The power output was 235 hp (175 kW). The 6V-350 was a vertically mounted, fan cooled version for helicopters.

Variants

6A-350
235 hp (175 kW) at 3,200 rpm
6A-350C1
220 hp (164 kW) at 2,800 rpm
6A-350C1R
205 hp (153 kW) at 2,800 rpm
6A-350C1L
205 hp (153 kW) at 2,800 rpm


6AS-350
Turbocharged, 235 hp (175 kW) at 2,800 rpm
6V-350
Vertically mounted, fan-cooled helicopter version, 235 hp (175 kW) at 3,200 rpm

Applications

Specifications (6A-350)

Data from

General characteristics

  • Type: 6-cylinder air-cooled horizontally opposed aircraft piston engine
  • Bore: 4.625 in (117.5 mm)
  • Stroke: 3.5 in (88.9 mm)
  • Displacement: 352.8 inĀ³ (5.78 L)
  • Dry weight: 307 lb (139 kg)

Components

  • Cooling system: Air-cooled

Performance

  • Power output: 235 hp (175 kW) at 3,200 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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