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Re: ARDTSG (fwd)



---------- Forwarded message ----------
Date: Wed, 10 Oct 2007 21:55:52 -0500
From: Crispy <crispy@xxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: ARDTSG  (fwd)

Can you give some details on your setup?  I wonder why it didn't work,
and details on component layout and specs would be helpful.  The way you
said it, it almost sounds like you had two separate gaps ... how did you
ensure that they did not both fire at the same time?

Chris B

On Wed, 2007-10-10 at 19:44 -0600, Tesla list wrote:
> ---------- Forwarded message ----------
> Date: Wed, 10 Oct 2007 20:07:12 +0100
> From: Chris Swinson <list@xxxxxxxxxxxxxxxxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Re: ARDTSG  (fwd)
> 
> 
> >
> > In reference to its switch counterpart, I think the new type of spark
> > gap that was being discussed could be called a Double Throw Spark Gap.
> > I just finished building mine, and am ordering the parts to finished the
> > Tesla coil.  I also made a short web page on it ...
> > http://tangent.cluenet.org/~chules/hv/tesla/dtsg.html
> >
> > The one that I made is constructed from an angle grinder.  It's mounted
> > such that the axis of rotation is perpendicular to the base plane and
> > the electrodes rotate above the angle grinder.  Because I don't have
> > tools to machine a disc and a propeller gap wouldn't have worked with
> > the angle grinder, the part that rotates is two G10 bars mounted
> > perpendicular to each other, with short tungsten rods mounted
> > perpendicular to the rods at the ends.  There are 4 moving contacts and
> > 2 sets of stationary contacts, each of which can act as its own switch.
> > The stationary contacts are mounted at 45 degree angles from each other
> > such that the moving contacts alternate between the two.  Pictures
> > forthcoming.
> >
> > Chris B
> >
> >
> >
> 
> 
> 
> I tried this years ago, but did not work to great for me :-(   I had a 
> charge and discharge gap, really was in order to stop the NST from getting 
> shorted out...
> 
> chris
> 
> 
>