Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

> A DC gearhead motor is best for lead screw applications as it allows
> the screw to be driven "directly" without any complications provided
> speed and torque requirements are met. It doesn't get much simpler
> than this;

Sure it does, eliminate the ball screw and coupling and switch over to
a linear motor - that is much simpler! However, in reality, much more
expensive too :-(