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Re: Racing Sparks



Original poster: "david baehr" <dfb25@xxxxxxxxxxx>


Is anyone still using "creepage disks" on their coils? ..Ive never tried it, it may help...



From: "Tesla list" <tesla@xxxxxxxxxx> To: tesla@xxxxxxxxxx Subject: Re: Racing Sparks Date: Thu, 06 Oct 2005 21:48:24 -0600 >Original poster: "D.C. Cox" <resonance@xxxxxxxxxx> > > > >Reduce the coeff of coupling and also check your quenching on a >scope. These two cause more problems with racing sparks than any >other ones combined. > >Pri should be 1.5 inches to coilform. Sec should be elevated above >pri approx 2-3 inches as base if a coil in the 3-5 inch dia size. > >Surface insulation such as polyurethane will not stop HV tracking if >the coeff is too high. > > >Dr. Resonance > > >>I just set up my "Devian" coil. This coil was >>originally designed to be very small and powerful. >>the problem is that i cant even power it up 15% >>without the sparks racing across the secondaries >>surface. I have 5 coats of poly on it already. I >>also played with to toroid in some failed attempt to >>fix the problem. >> >>How can i get sparks to stop racing across the >>surface? >> >> > > >