Re: [CAD_CAM_EDM_DRO] Re: is this a good deal ?

dave_ace_me wrote:

> Hi Jon,
>
> I guess was I was saying was is a 1.7 VDC as good as/better than a 4
> volt. 4 v times 20 = 80 volts for the power supply. I can't get
> past that 20x the nameplate voltage for best performance.

Given equal holding torque for the two motors, the 1.7 V motor will have
much lower inductance than the 4 V motor. So, it will perform much better
at higher speeds than the 4 V motor. Especially, if you can't get the
20 x or so DC voltage for the 4 V motor.

Jon