Align Align G600 Governor  255 K Futaba Futaba GV1 Governor Instructions  290 K Heli-Max HeliMax 1500 Rotor Head Speed Governor Instructions  162 K Model Avionics (Throttle Jockey) Model Avionics website Throttle Jockey Instructions Throttle Jockey Instructions (Direct RPM version) Excel spreadsheet to calculate RPM vs ATV By John Vugts