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OS FF-320

The only ringed piston, "flat four" R/C engine available

  • Twin opposing cylinder design self dampens most vibration, smooths operation for longer engine and airframe life and minimizes vibration related damage to radio gear
  • Features pushrod overhead valves, seven ball bearings, propeller locknut assembly and firewall mount

Recommended Props: 18x10-14, 20x8-10, 22x8

Displacement 0.809 cu.in x 4 = 3.236 cu.in
(13.257 cc x 4 = 53.03 cc)
Bore 1.091 in (28.0 mm)
Stroke 0.866 in (22.0 mm)
RPM 1800 - 8500

Output

4.1 BHP @ 8000 RPM
Weight 77.3 oz (2190 g)
   
Price
R Not Available