Ersatz-Belag f.Metallkupplung Graupner 4448.130 Can be used in all versions,
regardless of the number of teeth on the pinion. for UNI-MECHANICS 2000 and large-capacity two-stroke motors. We recommend this
gearbox for the OS MAX 91 FX motor, Order No. 1816, and similar power plants. The
result is unchanged main rotor rotational speed but lower motor revs, producing a considerable
reduction in noise, combined with higher power reserves compared with 61
motors. A particularly easy method of obtaining a steady, reproducible rotor speed and
a pleasant overall sound is to use the mc-HELI-CONTROL speed governor, Order No.
3286. If you wish to use this reduction ratio you will need the following additional parts
de
en