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Re: Primary Turns (adding to my post)



Kamil,

Still another approach is to use a extra high primary voltage, which
lets you use a small cap and more primary turns with a low bps,
and a higher power input.

John Freau
-----

In a message dated 6/14/00 8:34:56 AM Pacific Daylight Time, tesla-at-pupman-dot-com 
writes:

> 2)  If you do want the longest sparks for a given power input, then
>  you have to use a larger capacitor and a lower break rate.  This makes
>  it harder to use a lot of primary turns, but it can be done.  Simply use
>  a lot of secondary turns too, using thinner wire.  Another approach is 
>  to make the 
>  secondary and primary wider in diameter, this will increase the
>  inductance without using a lot of primary and secondary turns, but
>  it will increase the secondary self C, and my tests indicate that
>  this reduces the spark output also.  Because of this, I prefer to
>  keep the secondary rather tall and narrow, and use a lot of turns
>  of thin wire, and use relatively thin wire on the primary too, with a
>  lot of turns.  I often use from 14 to 25 turns or more in the primary.
>  You can see an example of this type of construction and a description
>  of the results at: