RM125FSi - four stroke inline
2 cylinder
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The Roto 125 FSi is a new engine for inline engine aircraft. The design of the engine was aimed at easy installation in an aircraft with a narrow fuselage. Engine performance is comparable to 125cc four-stroke engines, low idle and easy starting is a given.
The engine has been developed with all the experience provided from the Roto - UAV development group and meets the highest possible standards of production quality and output testing.
The Roto 125 FSi is a twin cylinder, four stroke, air cooled inline engine with a single carburettor for ease of user setup. The engine is completely built on roller bearings and is completely maintenance free. Engine lubrication is provided by a system adopted from Roto - UAV and no relubrication is required. The valves and their gears are developed so that their inspection is not necessary before 40 hours of operation.
Specifications:
- Engine displacement: 125 ccm
- Power: 7 HP
- Max static engine thrust: 21 kg
- Bore: 2x48 mm
- Engine weight: 4300 g
- Engine & ignition weight: 4580 g
- Arrangement of the engine: inline two-cylinder
- Cooling: air-cooled
- Lubrication: petrol 95 oct. + 2% oil
- RPM: 1100 – 6000
- Fuel system: Carburettor
Recommended airplanes models:
- Acrobatic: Up to 3 m
- Scale/Sport: Up to 4,5 m
Recommended propeller:
- 2 BLADE: 28/10 up to 30/14
- 3 BLADE: 26/10 up to 28/12
Scope of delivery: -ROTO 125 FSi: 1x
- Ignition: 2x
- Exhaust pipes: 2x
- Waste oil hose: 1x
- Spark plug key CM6: 1x
- Cable tie: 4x
- Silicone tube: 2x
Distributor / EU responsible person:
ROTOmotor s.r.o. Zbecnik 259 54931 Hronovh Phone: 00420491-485211 Czech Republik www.rotomotor.cz
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