Thanks for the reply,
the frequency was not the duty cycle or rms voltage, it was the actual frequency of the "square wave". I have heard from some sources that you need to use the time constant calculation taking into account the inductance and resistance of the motor which works out...
I have a quick question that I cant get my head around, I am not a motor boffin but know electronics quite well so please bare with me.
I are working on a hobby with a friend of mine to build an underwater scooter using a DC motor. Obviously when underwater, power is at a minimum. I have heard...