Goosky RS5 Ultra Motor Gear - 12T

Goosky RS5 Ultra Motor Gear - 12T

12T main motor pinion for the Goosky RS5 Ultra RC helicopter.

Gearing Guidance

Compared with the stock 13T pinion, this changes the main-drive ratio from 8.92:1 to 9.67:1 and reduces head speed by 7.69% at the same motor RPM. It is the lower-RPM option with increased main-drive torque margin.

Selection Guidance

With the stock 16T tail pulley, tail speed is also 7.69% lower than stock. Pair it with the 15T tail pulley to keep tail speed within 1.54% below stock.

Compatibility

Goosky RS5 Ultra

Part Number

GT220040