ROTO 35FS 4-t benzinmotor 35ccm

ROTO 35 FS is single cylinder 4 stroke gasoline engine made for RC model airplanes up to 3.5 m and 12 kg.

Engine:
o Crank case – it is rough-worked of the cast at the CNC milling cutter. After that it is covered or slashed with a special colour.
o Cylinder – it is made of one piece of dural with pressed insole from the mild-granular cast iron, it is sharpened and honed to the correct size.
o Piston – it is casted from silicon alloy with one sealing circle. The aparature for the bung 8 mm is honed.
o Piston rod – it is forging, which is completely worked. Two needle focuses are moulded into piston rod, it is made for the piston and cranked bung.
o Crank shaft – it is made of one piece of steel, it is cemented and hardened and it is completely sharpened.
o Back lid of the engine – it is worked casting, in which is hardened and sharpened rolled slide - valve layed.

Technical data:
Engine displacement: 34,2 ccm
Power: 2,3 kW
Max static engine thrust: 8,5 kg
Bore: 39,5 mm
Engine weight: 1740 g
Engine & ignition weight: 1900 g
Arrangement of the engine: single cylinder
Cooling: air-cooled
Lubrication: petrol 95 oct. + 2% oil
RPM: 1200 – 6000
Fuel system: Carburettor