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PRIMARY??




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From:  Malcolm Watts [SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent:  Sunday, March 22, 1998 2:18 PM
To:  Tesla List
Subject:  Re: PRIMARY??

Hi Chris,

> From:  Zuma [SMTP:mwise-at-sosis-dot-com]
> Sent:  Saturday, March 21, 1998 9:51 PM
> To:  tesla-at-pupman-dot-com
> Subject:  PRIMARY??
> 
> I was sitting here looking through my e-mail from the list and thought
> of a question about the primary. I have heard before to aleast leave an
> few extra turns for tuning purposes, but can there be to many turns?
> What I mean is that if you have a coil that tunes in at say 5 turns and
> your primary consists of 15 turns. Will having these 10 extra turns be
> lossy to the coil? It in a way seems like it might because it isn't
> concentrating to only those 5 turns. Take for instance this, your
> primary is tapped at turn 5, regardless of this tap I am assuming there
> is voltage still at the outer turn, so wouldn't this be some sort of a
> loss to the amount of energy being transfered? Is this a valid
> assumption?
> 
> Chris Jones

The energy it takes to induce a voltage across a short open circuited 
piece of copper is minute beside what the gap will be chewing up.

Malcolm