Re: ARDTSG (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- 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