Re: Photoflash capacitors for EDM use

<snip>

> Actually I have been running my EDM ( a Langlois unit almost) for
> quite a few years now and have been using motor start/run

capacitors

> for the driver. They don't get warm and seem ok for my use. I do a
> lot more than tap busting, with electrodes as large as 1/4 inch

brass

> tubing, all shapes, where required. Rather than a large power
> resistor in the charging path, I use whatever wattage light bulb I
> happen to find. The stepper drive system as per Langlois and a 200
> step motor is just perfect for the job.

<Snip>

Motor start/run capacitor ? I thought a start was typically an
electrolytic or similar and the run was a poly metalized film. Start
and run caps that I have looked at had large differences in
capacities.