Belt drive RAR-13 for RMZ 250 engine (23 hp)

Belt drive RAR-13 for RMZ 250 engine (23 hp)

(RMZ snowmobiles engine)

The RAR-13 belt drive is designed for used on the RMZ 250 engine (23 hp) engine as part of propeller-driven power plants with a power of up to 40 hp with a propeller with a diameter of not more than 1.5 meters and a propeller inertia moment of not more than 3000 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-13 arrangement:

The RAR-13 reducer has a milled housing and pulleys made of high-strength aluminum alloy, shafts made of aircraft steel. Bearings of world brands such as SKF and NTN.

Technical characteristics:

The mass of the belt drive is 3.6 kg (2.2 ibs)

The maximum transmitted power is 40 л.с/29,4 kW 

The distance between the axes of the pulleys is 131-149 mm (5”-5.9”) depending on belt tension

The type of belt used is 5PK620, the amount of belts is 2 pieces

The assigned resource of the reducer is 2000 hours

Resource between repairs - 400 hours

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