Re: Problems with SRSG on TC

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

Original poster: "Zagarus Rashkae by way of Terry Fritz <teslalist-at-qwest-dot-net>" <arbitrarily_random-at-yahoo-dot-com>

Hi Steve, All,

I did modify the motor so that it was synchronous
without the disk, I don't know what it is with the
disk and electrodes. I am running at 240bps or 2
breaks per half cycle so I don't know why losing sync
would make the TC perform like that.

I have 2 saftey gaps, one across the cap and one
across the transformer. The transformer one is in
parallel with the SRSG, so I think it's okay. Both
gaps are set to around 15-20kV.

Regards,

Chris

--- Tesla list <tesla-at-pupman-dot-com> wrote:
 > Original poster: "Steven Ward by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <srward16-at-hotmail-dot-com>
 >
 > Did YOU make the motor synchronous?  Maybe its
 > loosing sync or just isnt
 > modified correctly (like its running a 3599 rpm
 > rather than 3600 rpm).
 > Though thats seems unlikely, i cant figure what else
 > would cause operation
 > to swing in and out like that.  Are you using safety
 > gaps? I hope so!  Im
 > also guessing you have tried to play with the
 > phasing?  But then again,
 > that should not make operation seem so strange.
 >
 > Steve Ward
 >
 >
 > >From: "Tesla list" <tesla-at-pupman-dot-com>
 > >To: tesla-at-pupman-dot-com
 > >Subject: Problems with SRSG on TC
 > >Date: Mon, 30 Jun 2003 20:10:26 -0600
 > >
 > >Original poster: "Zagarus Rashkae by way of Terry
 > Fritz
 > ><teslalist-at-qwest-dot-net>"
 > <arbitrarily_random-at-yahoo-dot-com>
 > >
 > >Hi all,
 > >
 > >I recently completed an SRSG that runs at 3600 RPM
 > >with a 1/4 inch by 7.5 inch dia Lexan disk, with 4
 > >stainless steel electrodes for 240BPS. I use a MOT
 > >stack running at about 2kVA and a 38nF cap.
 > Secondary
 > >is 1000 turns or so of 22AWG on 4 inch SCH 40 PVC.
 > >Toroid is 4 by 16. I don't know what is wrong with
 > my
 > >TC but it only sparks intermittently, and I think
 > this
 > >is due to my RSG. Any clue as to what causes this?
 > >
 > >The TC outputs 3 foot sparks at best, falling short
 > of
 > >the 3.5-4 feet that I got from an air blast single
 > >gap. It goes "zzzt..." and quits, then after
 > another
 > >20 seconds or so it goes "zzzz..." for about 5
 > >seconds, etc...
 > One thing that I never noticed before was that when
 > running at 3kVA or so the cap's saftey gap fired,
 > sounded like a gun firing many times per second.
 >
 > Thanks in advance,
 >
 > Chris
 >
 >