Re: rotay spark gap

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "colin.heath4 by way of Terry Fritz <twftesla-at-qwest-dot-net>" <colin.heath4-at-ntlworld-dot-com>

thanks for the help
the gap with electrodes stopped performed very poor (very small sparks)
so i guess i have a problem with the motor
the motor i have wired up wrong and its only running on the start windings
which i noticed today i will correct this and post my results
cheers
colin heath

----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, March 23, 2002 6:26 PM
Subject: Re: rotay spark gap


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<tb3-at-att-dot-net>
>
> Hmmm,
>
> If you stop the rotor and line up the electrodes, does
> the TC fire at a high rate with small bang size (tight
> gaps) compared to your static gap, or is it slow and
> erratic with big bang size (loose gaps).?  If it is
> having trouble with the rotor not going, it will have
> more trouble when spinning.
>
> I typically make the gaps as close as possible.  Then
> the srsg works at low power/voltage levels for tuning or
> for slowly bringing it up to full power displays.
>
> Your comment about it working when the motor slows down
> implies that the phase may be set near the AC zero
> crossings instead of the the AC peaks.  Did you try
> adjusting the phase?
>
> Terry Blake
> > Original poster: "colin.heath4 by way of Terry Fritz
<twftesla-at-qwest-dot-net>"
> > <colin.heath4-at-ntlworld-dot-com>
> >
> > hi all,
> >         iv ran up my srsg today and had no joy really .
> > i only got it to fire when the gap slowed down after shutting down the
> power to
> > the motor.
> > could this be due to the gap between the post and electrode being too
wide
> > im using a mot supply with voltage doubling
> > any help will bew much appreciated
> > many thanks
> > colin heath
> >
> >
> >
>
>
>