Re: primary angle

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Gerry  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>

Hi Daniel,

Racing sparks are arcs on the surface of the secondary coil.  These 
can damage the coil so they are to be avoided.  Several things can 
cause racing arcs.

1. Out of tune
2. Coupling too high
3. Top load too small
4. Too much power for coil

Thats all I can think of.

Gerry R

> Original poster: "Langer Giv'r" <transworldsnowboarding19@xxxxxxxxxxx>
>
> What are racing sparks?
>
>
> > From: "Tesla list" <tesla@xxxxxxxxxx>
> > To: tesla@xxxxxxxxxx
> > Subject: Re: primary angle
> > Date: Wed, 16 Nov 2005 18:29:38 -0700
> >
> > Original poster: FutureT@xxxxxxx
> >
> > In a message dated 11/16/05 1:34:18 PM Eastern Standard Time, 
> > tesla@xxxxxxxxxx writes:
> >
> >
> > > Hi, does the angle of the primary affect the coupling?  I have my
> > > primary set at 40 degrees to horizontal becuase it was the easyest to
> > > wind that way.  What should I do if angle is to high? thanks for input
> > >
> > > Daniel From Canada
> >
> >
> > Daniel,
> >
> > The angle affects the coupling.  Simply raise the secondary as
> > needed to prevent racing sparks.  First lower the secondary until
> > racing sparks occur at full power and good tune.  Then raise
> > the secondary until the racing sparks go away.
> >
> > I think Bart's JavaTC program can calculate the coupling for
> > angled primaries.  So that method can be used to figure out
> > the coupling coefficient.
> >
> > John