Re: Skeleton secondary?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <FutureT-at-aol-dot-com>

In a message dated 11/27/02 12:52:33 PM Eastern Standard Time, 
tesla-at-pupman-dot-com writes:


>Dear List,
>
>Having noted that most secondaries are wound on solid tube formers, are
>there advantages in winding a secondary on on a "skeleton" former (i.e.
>circle of several insulating supports or tubes) for instance to minimise
>self-capacitance?


Jolyon,

No advantage would be seen in the spark output.

>Moreover would there be an even greater advantage in employing a "Lorenz"
>type secondary (where the wire is wound between  supporting poles
>numbered 1 to 8 so the wire passes over 1 under 2 and 3 ,over 4, under 5
>and 6, over 7 and so forth so that each complete turn is see end-on as an
>8-pointed star with the wire having been wound over all eight poles)
>from the capacitance-reduction point of view?


Most likely no advantage would be seen in the output because
the interturn capacitance is small even in a typical secondary

John


>Jolyon.
>