Re: [TCML] Tuning vs Interference

["Jonathan Peakall" <jpeakall@xxxxxxxxxxxx>]

Or try a bipolar coild maybe.

Jonathan
www.madlabs.info
----------------------------------------------------------------------
Some people are like a Slinky .. not really good for anything,
but you still can't help but smile when you shove them down the stairs.
----------------------------------------------------------------------
----- Original Message ----- 
From: "Phillip Slawinski" <pslawinski@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Thursday, June 19, 2008 7:48 PM
Subject: Re: [TCML] Tuning vs Interference


> My RF ground is 22ga wire run to a drain pipe on the side of the building.
> Probably not the lowest impedance ground available.  Unfortunately I can't
> really do any better than this.  I live on the third floor of an apartment
> building.
>
> It looks like I'm not going to be able to run the TC much longer in this
> apartment :(  Maybe I should build a VTTC
>
> On Thu, Jun 19, 2008 at 10:33 PM, Lau, Gary <Gary.Lau@xxxxxx> wrote:
>
> > If you're referring to radiated RF, I'll guess that interference 
> > decreases
> > if a coil is out of tune.  But I'm curious.  What do you use for an RF
> > ground?  The amount of (conducted) RF that is coupled into your mains 
> > wiring
> > is directly related to the quality of your RF ground, and this is what 
> > may
> > have done in your cable box.  Hearing what you used would be a valuable 
> > data
> > point for the rest of us.
> >
> > If I think about it, if a coil is out of tune, the primary energy has
> > trouble getting to the secondary side, so it stands to reason that the
> > oscillating primary will couple through the NST and into the power mains
> > more-so than if it could dump the energy quickly into the secondary. 
> > That's
> > my shoot-from-the-hip analysis, anyway.
> >
> > Regards, Gary Lau
> > MA, USA
> >
> > > -----Original Message-----
> > > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > > Behalf Of Phillip Slawinski
> > > Sent: Thursday, June 19, 2008 10:37 PM
> > > To: tesla@xxxxxxxxxx
> > > Subject: [TCML] Tuning vs Interference
> > >
> > > Does interference go up or down when the coil is properly in tune?  I
> > bought
> > > a new transformer today (and picked up a freebie).  Anyways, the 
> > > freebie
> > was
> > > a 15/30 so I'm running that in parallel with my other 15/30.  I have a
> > cap
> > > size that's pretty close to resonant cap size for my transformer.  The
> > caps
> > > are bottle caps so they're pretty terrible.  I hope my losses are all 
> > > in
> > the
> > > caps, because I'm only getting 12" streamers with a breakout point.
> >  Getting
> > > back to the subject line here ... every time I run the coil the cable 
> > > box
> > > loses it's authorization.  This used to happen sometimes, but not 
> > > always.
> > > Now it happens every time.  Does this mean my coil is still out of 
> > > tune,
> > or
> > > will it be causing massive amounts of interference even when it's in
> > tune?
> > >
> > > P.S.  It would seem that I've fried my cable box :(  It just keeps
> > flashing
> > > "card download"
> >
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla 

_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla