Belt drive RAR-5 for BMW R1200 and R1100S engines

Belt drive RAR-05 for BMW R1100-1200 engines

The RAR-05 belt drive is designed for used on the BMW R1100-1200 engines as part of propeller-driven power plants with a power of up to 96 kW with a propeller with a diameter of not more than 1.8 meters and a propeller inertia moment of not more than 4000 kg*cm2 (when using a max. spacer 100 mm long the propeller moment of inertia is not more than 2000 kg*cm2). 

Belt drive RAR-05 arrangement:

The belt drive RAR-05 has a die-cast housing and pulleys made of high-strength aluminum alloy, and the shafts are made of aircraft steel. Bearings of world brands such as SKF and NTN. The arrangement is made in such a way that no radial bending loads are transmitted to the engine crankshaft, only torque.

The belt drive has the following advantages over the gear drive:

• Simple visual control of the technical condition of the drive - confidence in the serviceability of the unit.
• Possibility to change the reduction without replacing the reducer itself.
• Simple routine maintenance that does not require special skills.
• Excellent damping properties of the applied V-ribbed belt.
• Long service life of quality belts, their low cost and availability.
• Possibility of manufacturing a drive with a large center distance without adding elements to the structure - therefore, the reliability of the unit remains high.
• Lack of oil in the system - the cleanliness of your unit.