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Re: [TCML] SRSG vs. RQSG (Sucker Gaps)
Hi Phil,
Gah! I totally forgot about having to change the capacitance value! :(
Oh well, I'll have my kicks once I finish what I got going, and in time
(When I
have money.) I'll do upgrade it all again. :)
Thanks Phil, Saved me some trouble!
Brandon
On Fri, Oct 1, 2010 at 4:47 AM, Phil Tuck <phil@xxxxxxxxxxx> wrote:
> Brandon,
> Trouble with building any RSG, Sync or non-Sync (ARSG) is that we all tend
> to build a size which is adequate for our current set-up, but not suitable
> for the future if / when we get a better power source. (Yes, I have done
> it)
> A suitably sized RSG for a NST will not handle a PIG or MOT bank. Bigger
> electrodes need more motor power and a bigger rotor disc, as the dwell
> angle
> suffers otherwise, and you may get power arcing.
> An ARSG is not a good idea on a NST anyway (best internet source is at
> http://www.richieburnett.co.uk/rotary.html for the reasons). Also just
> putting an RSG on any static setup will often give less performance unless
> you alter the MMC size as well.
>
> Regards
> Phil
>
> www.hvtesla.com
>
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
> Of Brandon Hendershot
> Sent: 01 October 2010 03:14
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] SRSG vs. RQSG (Sucker Gaps)
>
> Hi Gary,
>
> Good to know. It seems to me that coils with RSG's of that type sound
> better, at least according to YouTube. But I'll be satisfied knowing that
> if
> I didn't go with a propeller type gap, it would've been more trouble than
> necessary. I guess I ought to go study up on RSG's now... Thanks Gary!
>
> Brandon
>
> On Thu, Sep 30, 2010 at 6:28 PM, Gary Lau <glau1024@xxxxxxxxx> wrote:
>
> > Hi Brandon,
> >
> > The photo from my site that you referenced is something I build before
> > the propeller gap that did NOT work out. The simplicity of a
> > propeller gap makes it a winner over any disk-based design, IMO. And
> > since I was using a relatively small Teletype motor, I had a lot of
> > trouble making the disk and electrodes small and light enough that it
> > would start up reliably. The propeller gap had no such trouble.
> >
> > FYI - the link you posted is hosted on my old ISP's server - I didn't
> > even think it was still there. If they ever get around to deleting
> > data from expired accounts, know that my current ISP has my sync gap
> > page at http://www.laushaus.com/tesla/sync_gap.htm
> >
> > Regards, Gary Lau
> > MA, USA
> >
> >
> > On Thu, Sep 30, 2010 at 7:13 PM, Brandon Hendershot <
> > brandonhendershot@xxxxxxxxx> wrote:
> >
> > > Hi,
> > >
> > > I REALLY like the idea of a RSG, but it seems like an expensive and
> > > difficult project to take on.
> > > Is it worth it for a system my size? (15/(30/60)NST, 3.5" Sec,
> > > 8.75nf
> > MMC)
> > > Although I imagine it will get it's time to shine when I go bigger...
> > > (Keep answering my own questions here...) If I do decide to build
> > > one in the future, should I make a propeller type gap, or something
> > > like Gary's shown here?:
> > > http://users.rcn.com/laushaus/tesla/srsg.jpg Which one in your own
> > > experience yields better results (If there are any differences)?
> > > This's asking Gary for the most part, but everyone's input is always
> > > appreciated!
> > >
> > > Thanks,
> > > Brandon
> > >
> > > On Sun, Sep 26, 2010 at 2:31 PM, McCauley, Daniel H <
> > > daniel.h.mccauley@xxxxxxxx> wrote:
> > >
> > > > That's an excellent point. The sucker gap *is* much simpler than
> > rotary
> > > > gap and as you stated yields excellent performance as well.
> > > > 48" of spark from a 12/60 NST is STILL awesome!
> > > > Also, Terry Blake had great success with his asynchronous
> > > > propellar
> > spark
> > > > gap. I'd really liked these as well as had great results with
> > > > them. If
> > > you
> > > > go that route, just keep in mind to physically shield it for safety.
> > > But,
> > > > Terry's propellar gap was simple, easy to make, and worked well!
> > > > I was definitely a "fan!"
> > > >
> > > > Dan
> > > > http://www.easternvoltageresearch.com
> > > >
> > > >
> > > >
> > > > When i used to make spark gap coils, I found the "sucker gap" to
> > > > be the best compromise in performance and complexity to build.
> > > > Going to a SRSG was only slightly higher performance over a sucker
> > > > gap, but a sucker gap was
> > much
> > > > better performing than any RQ gap id ever built. I was often
> > > > getting
> > > about
> > > > 48" of spark from a 12/60 NST using a sucker gap which seemed
> > > > pretty awesome back then ;-).
> > > >
> > > > Steve
> > > > _______________________________________________
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> > > >
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> >
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