Re: I'm Sold on MMCs and RSGs! - Pics

["Tesla list" <tesla-at-xxxxxxxxxx>]

Original poster: "f.e. blommendaal" <f.eblommendaal-at-freeler.nl> 


----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, November 27, 2000 4:20 AM
Subject: RE: I'm Sold on MMCs and RSGs! - Pics


> Original poster: "Andy Cleary" <gemware2-at-dreamscape-dot-com>
>
> Thanks for the reply!  First off - for anyone interested, I have posted
> pictures of both of those things to my web site, the Tesla/HV section can
be
> found at http://www.rpi.edu/~cleara/other/teslahv.htm, or the main page at
> www.rpi.edu/~cleara/ .
> Unfortunately, I was unable to do a whole lot of testing last night due to
> temperature difficulties :(  At what I determined to be the best run, I
> achieved only a 4' discharge, which is approximately equivalent to what I
> got with a static gap and .02 uf glassmike capacitor.  What I blame for
that
> shortcoming is a strong wind that was blowing across my driveway
> continuously.  The streamer kind of "waved" - it wasn't as good as the run
> inside.  The SRSG is running at 120 bps, and I usually run my coil's input
> voltage up to 140v.  Unfortunately, my amp meter was destroyed from a
surge,
> but at one point during the night I blew a 20 amp fuse.  One difficulty I
> have had is that of the SRSG not lining up correctly on each run.  Some
> times it runs excellently, and sometimes it is downright pathetic!  Can I
> correct that mid-run with a variac tune - or would that not have enough
> range?  What I have to do now is keep shutting the gap on and off till I
get
> a good discharge.  I will try to take some more precise measurements
without
> wind next time I'm home, which unfortunately will be in about 3 weeks.  In
> the meantime, I think I will work a little on designing a 15KVA
transformer
> for a core rewind!  Thanks,
>
> -Andy C.
>
> -----Original Message-----
> From: Tesla list [mailto:tesla-at-pupman-dot-com]
> Sent: Saturday, November 25, 2000 9:58 PM
> To: tesla-at-pupman-dot-com
> Subject: Re: I'm Sold on MMCs and RSGs!
>
>
> Original poster: "Barton B. Anderson" <tesla123-at-pacbell-dot-net>
>
> Hi Andy,
>
> Fun post to read! Hey, if you get a chance and have at least amp/volt
> metering
> capabilty, please let us know some final specs, free-air spark lengths,
and
> volts/amps at those spark lenghts, bps, etc.. whatever you can.
>
> (I agree with the two upgrades you just made. They make a totally
> difference coil,
> don't they.)
>
> Good luck outside (hint: take some time to tune - start early before it
> gets dark).
> Bart
>
> Tesla list wrote:
>
> > Original poster: "Andy Cleary" <gemware2-at-dreamscape-dot-com>
> >
> >         Well, tonight I finally got around to firing up my coil with an
> entirely
> > new tank circuit - and I am impressed!!  I finished my SRSG today - it
is
> > made of a 1200 rpm synchronous motor, fitted with a 5"x3/8" Lexan rotor,
6
> x
> > 1/4" brass bolt electrodes, all attached to a 4" copper ring.  The
> > stationary electrodes are also 1/4" brass bolts.  Unfortunately, I think
> the
> > motor picks up a different sync at each startup, as the performance
varies
> > greatly from run to run.
> >         I also got to use my new MMC cap array as well - it is made of
> 100 ERO
> > .068uf 1.6KV (Mike Tucknott) caps (Thanks again!).  They are arranged in
> 10
> > modules, at .0068uf -at- 16KV each, and all ten are hooked in parallel for
a
> > total of .068uf -at- 16KV.  I am using the standard carbon-film 1/2W 10M
> > resistors for bleeders (These in particular are from All Electronics,
> > www.allcorp-dot-com ), and havn't experienced any problems yet.  For
> reference,
> > the rest of my setup is 12KV-at-150ma Neon bank, 8" secondary wound ~850
> turns,
> > and a large topload.
> >         The results are spectacular!  The coil certainly has a better
> sound to it
> > and the discharge length increased by several feet!  I'm sold on those
two
> > items!  The coil looked to be restrained by my garage walls, so I plan
on
> > taking it outside tomorrow for some more tuning and no breakpoint!
Thank
> > you again for the assistance with the SRSG, and the MMCs.  I doubt I
could
> > have done it (or at least done it that good!) without the list's help.
> >  And - I plan on posting some pictures of those two improvements on my
> > website in the next day or two for any interested parties.  Thanks
again,
> >
> > -Andy C.
>
>
>
>
>