Ultrafly’s new F/12/xx series brushless sensorless motor is a light weight 77g motor with over whelming 250 watt power. It was designed based on our famous B/12 series. The versatile application covers 3D flying, Park Flyers & small helicopters as well as E-conversion a 20/25 class gas power model. The precision CNC tooling with hi-quality material allows this motor to operate at higher RPM without vibrations. A unique patented design forces the magnet to hold its position when your propeller suddenly stops in high RPM. Quality, Strong and Efficiency are the goal we are shooting for! Versatile is the word best describe its capability! It provides 2 different shaft sizes (4 & 3.17mm) to meet your application.

Ultrafly’s new F/18/xx series brushless sensorless motor is a light weight 105g motor with over whelming 350 watt power. It was designed based on our famous B/18 series. The versatile application covers 3D flying, Park Flyers & small helicopters as well as E-conversion a 25/30 class gas power model. The precision CNC tooling with hi-quality material allows this motor to operate at higher RPM without vibrations. A unique patented design forces the magnet to hold its position when your propeller suddenly stops in high RPM. Quality, Strong and Efficiency are the goal we are shooting for! Versatile is the word best describe its capability!