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Re: TwinQuestions



Original poster: "Nicholas Field by way of Terry Fritz <twftesla-at-qwest-dot-net>" <nick.field-at-hvfx.co.uk>

> both of the secondaries need the same number of turns?
> so they operate at the same frequency?

Yes.  Toroids need to be the same size as well.

> Is it possible to drive a twin system
> with the same spark gap and capacitors?

It is impossible not to, the only true twin is one that shares a single tank
circuit.

> Such a system requires that you
> wind the primary coils
> in opposite directions?

No.  All you need to do is make sure the two coils are out of phase with
each other. If you like you can wind the primaries in opposing directions.

> Instead of grounding the secondaries you connect them together?

Yes.  For safety they should be connected to a ground as well, but the
ground does not need to be as heavy as it would for a single ended coil.

Safe Coiling
Nick
_______________
Nick Field, HVFX
www.hvfx.co.uk