Re: [CAD_CAM_EDM_DRO] Dan's Toolpost grinder

> Tim Goldstein wrote:
>
> > Seems to me that if you have a 1/2 hp 10k rpm motor and run it through
> > a 3:1
> > reduction you now have torque that is more equivalent to a 1-1/2 hp
> > motor.
> > If this is so, than the 1/2 hp motor with no reduction will be weak.

There is no free lunch: for a given power if rpm goes up then torque must go down to keep the equation balanced.

hp = (torque*rpm)/5252;

Dave