Pinion gear, Fits Robbe Millenium , Avaliable in 15 T. Makes perfect Ratio for 80-90 size motors.
Ultra-fast pro-standard servo, specially developed for instant-response tail rotor control in conjunction with SMM gyros.Offers optimum performance for the tail rotor control system . An excellent choice for .60 - .90 size model helicopters which require extra power at the tail rotor. The basis for this servo is the proven S 9251, with which it shares the motor and electronics. The modified neutral pulse width of 1520 µs makes the servo suitable for use with all gyro systems.