Re: Classic coil

To: tesla-at-pupman-dot-com
Subject: Re: Classic coil
From: huffman <huffman-at-FNAL.GOV>
Date: Mon, 02 Dec 1996 09:29:27 -0600
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Hans,
Was this coil Telsa described driven from a continuous wave generator
(alternator)?
I thought it would be nice to duplicate the coil but have no way to drive
it CW.
Dave Huffman

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> From: Tesla List <tesla-at-poodle.pupman-dot-com>
> To: Tesla-list-subscribers-at-poodle.pupman-dot-com
> Subject: Classic coil
> Date: Sunday, December 01, 1996 11:35 PM
> 
> 
> From Hans.Grimstad-at-maxware.no Sun Dec  1 22:28:46 1996
> Date: Sun, 1 Dec 1996 23:34:05 +0100
> From: Hans.Grimstad-at-maxware.no
> To: tesla-at-pupman-dot-com
> Subject: Classic coil
> 
> Hello everyone !
> 
> I have been rereading my reprint of Teslas lecture to the Institution of
Electrical 
> Engineers in London. On page 15, he describes a small bipolar coil. Each
of the  
> terminals of the coil is connected to a circle, one is 80 cm in diameter,
the other is 
> 30 cm in diameter. During operation of the coil, the discharges between
the 
> terminals produce a "luminous sheet" with an area of about 0.43 square
metre. He 
> states that he in earlier experiments, using bigger circles had covered
an area of 
> more than one square metre. 
> This coil has 2 primaries with 96 turns in each, and two secondaries with
260 turns in 
> each. When both the primaries and the secondaries are connected in
series, this 
> gives a ratio of conversion of about 1:2.7.
> 
> It seems that a lot of people are designing coils with much bigger
conversion ratios 
> (1:67 for a coil with 1000 windings on the secondary and 15 on the
primary). I would 
> say that Teslas results with this coil are quite impressive. Why the big
secondaries 
> in "modern" coils ? 
> 
> 
> Hans J|rgen Grimstad
> 
>