RE: Double Throw Spark Gap (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Tue, 16 Oct 2007 09:11:35 -0500
From: Crispy <crispy@xxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: RE: Double Throw Spark Gap (fwd)

I'm not planning on running the coil in the dorm room.  I plan on
running it outside the dorm and running an extension cord out the
window.  The room itself is far too narrow for spark production over 3
feet or so.

Chris B aka. Crispy

On Tue, 2007-10-16 at 07:49 -0600, Tesla list wrote:
> ---------- Forwarded message ----------
> Date: Mon, 15 Oct 2007 23:11:10 -0600
> From: S&JY <youngs@xxxxxxxxx>
> To: 'Tesla list' <tesla@xxxxxxxxxx>
> Subject: RE: Double Throw Spark Gap (fwd)
> 
> Crispy,
> 
> Running a coil in a dorm room is going to be a challenge, especially since
> you won't have a very good ground.  Consider building a twin Tesla Coil,
> meaning two separate coils with the primaries connected in series.  Each
> primary will only have half the inductance of a single coil setup.
> 
> Why do this?  1) The streamers are more controlled - they jump between the
> two coils and not to walls and ceilings; 2) you get longer streamers for a
> given power level; and 3) each coil acts like a counterpoise to the other
> one, ideal where you don't have access to a good ground.  For safety,
> connect the bottoms of both secondaries to each other and the best ground
> you can get, even if it is just your power ground.  As long as the streamers
> jump between the two coils and not to other stuff, you will not inject much
> electrical noise or impulses into the ground.
> 
> You really ought to try to find another place than a dorm room to run your
> coil(s).  It is bound to interfere with TVs and radios that are close by
> (like adjacent dorm rooms), and you may end up with complaints and be told
> you can't run your coils.  Besides, very soon you will want to crank up the
> power beyond what is allowed in your dorm!
> 
> --Steve Y.
> 
> -----Original Message-----
> From: Tesla list [mailto:tesla@xxxxxxxxxx] 
> Sent: Sunday, October 14, 2007 7:17 AM
> To: tesla@xxxxxxxxxx
> Subject: Re: Double Throw Spark Gap (fwd)
> 
> 
> ---------- Forwarded message ----------
> Date: Sat, 13 Oct 2007 23:46:38 -0500
> From: Crispy <crispy@xxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Re: Double Throw Spark Gap (fwd)
> 
> <snip>
> Also, I have another question somewhat unrelated to this thread, but
> goes along with the University limits.  I obviously need an RF ground,
> but I'm not allowed to pound anything into the ground.  So, I need a
> counterpoise.  I have virtually no idea on what is acceptable here.  Is
> a 1ft x 1ft square covered in the middle with many layers of chicken
> wire acceptable?
> 
> Thanks,
> Chris B aka. Crispy
> 
> 
> 
> 
>