Re: EDM home brew units ?

>
> Ed Huntress described an older commercial system that he was very
> familiar with
> a couple of years ago. I understand how this works, and have a

> idea how one
> would build it. Knowing just a little about other EDMs, I think
> paralleled FETs can
> be used as a high current source, perhaps something like 100 A per
> transistor, since
> the on-time is going to be low duty-cycle. (That 100 A is the

> current, not the
> average. The average per transistor may be something like 5-10 A.)
>
> Here's what he wrote :

> I hope Ed doesn't mind me quoting him, and that this makes as much

> others as it did to me. Of course, I'm pretty good with power
> electronic circuits,
> so to me this is almost as good as a circuit diagram.
>
> Jon