Zahnrad-Set 85 : 23 Zähne

To change the reduction ratio on a petrol mechanics, replace the main gear and the spur gear. These change the speed of the main rotor while the engine speed stays the same.
Which reduction ratio suits the individual models in relation to rotor diameter and type of rotor head (2-blade or multi-blade) can be seen from the mechanics in the required accessories of a fuselage kit.

• Gear set
• 85 : 23 teeth