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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
6A-350C2
215 hp (160 kW) at 2,800 rpm
The C2 is the same as C1, except for the induction system piping. When a Marvel Schebler MA4-5 carburetor is used on the 6A-350-C1 engine for improved acceleration the takeoff and max. continuous rating are 215 hp (160 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