Monthly Archives: February 2021

Will the real mosfet please stand up ?

This information will save anyone with a speed controller time and cash..... The chances are that most of us have a few IRFB 4110 mosfets, they are to be found in most KT speed controllers. You can get 20 x IRFB 4110 mosfets of Ebay for £7, this does not seem a bad deal, if…

The Saga of The Rear Hub Wheel

After blowing a 1500w KT speed controller, and refitting a new speed controller (KT copy bought as original KT), the bike once again had power to the motor. The wheel sounded fine when spinning off the ground. When riding which put the wheel under load, we discovered the wheel was making a grinding sound. We…