Re: question about driving a DC sync spark gap

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "S&JY" <youngsters@xxxxxxxxxxxxxxx>

400 Volt, 8 Amp.  The motor is a 220 volt treadmill motor, but it only needs
50 volts or so in my RSG.
--Steve Y.
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Tuesday, October 17, 2006 8:09 AM
Subject: RE: question about driving a DC sync spark gap


> Original poster: "Leigh Copp" <Leigh.Copp@xxxxxxxxxxx>
>
> Steve,
>
> What is the reverse voltage rating of your bridge?
>
> Leigh
>
> -----Original Message-----
> From: Tesla list [mailto:tesla@xxxxxxxxxx]
> Sent: Tue 17/10/2006 1:15 AM
> To: tesla@xxxxxxxxxx
> Cc:
> Subject: Re: question about driving a DC sync spark gap
>
>
>
> Original poster: "S&JY" <youngsters@xxxxxxxxxxxxxxx>
>
> Miles,
>
> I also use a DC motor with my async RSG.  I have had no problems with the
> bridge rectifier, which is only rated for about 10 amps.  I think perhaps
> the secret is to mount your bridge rectifier and filter cap adjacent to
the
> motor so that connecting wires are only a few inches long and cannot pick
up
> any significant RF or other nasty impulses.  Then feed AC from your variac
> to your rectifier/filter/motor through your 10 or 20 ft power cable.
>
> So far, with six foot streamers flying around, this works fine without any
> filtering of the AC power cable.
> --Steve Y.