In response to that, you could possibly yank a mechanically controlled
power steering pump and belt drive that.  Use a speed control with
bypass valve to prevent the pump from loading up and you're good to
go. :)

On 8/8/05, Loren Busch <starwagen@gmail.com> wrote:
> RE: Infinitely Variable Driven Platform
> I have no sources for this but have sen it done and used the end
> result on a large lathe.
> My dad used to convert older belt driven lathes using an infinitely
> variable hydraulic transmission that originally was used on the
> landing gear of bombers from WWII.  I would expect this to be a much
> more expensive solution and the electronic/electrical solutions
> suggested by others but really worked very well.
>