Re: More maggie Q & A

• To: tesla-at-pupman-dot-com
• Subject: Re: More maggie Q & A
• From: David Trimmell <davidt-at-pond-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Thu, 05 Aug 1999 22:42:35 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

I have always used at least 5X the inductance of the driver for the free
resonator coil, that has work for me, but may be more a "rule of thumb".
Antonio Carlos M. de Queiroz has posted some very interesting material
regarding this subject, and has a web site up regarding the "Ideal magnifier".

Regards,

David trimmell

At 10:26 AM 8/5/99 , you wrote:
>Original Poster: Michael Tucknott <Michael.Tucknott-at-virgin-dot-net> 
>
>Hi all
>thanks Ed, DC, Malcolm
>
>I wound the driver coil yesterday it is on a pice of 9.25" pipe with
>a height of 16.75" (H/D ratio 1.81:1) wound with 1mm (18AWG) magnet
>wire it has 395 turns or there abouts.
>The inductance of this coil is 15mH.
>
>I intend to wind the primary out of 1/4" copper pipe with as many turn
>that will fit in, this should also compensate for the small cap
>0.0151uF.
>
>I plan to use an existing secondary (4.25" by 22" 22AWG)as my extra
>coil.
>This coil has 13.5mH of inductance and a self C of 9pF.
>
>Now for the next qustion.
>I read somewhere(I think it was by Richard Hull)that the extra coil
>should 
>have more inductance than the driver, can anybody shed any light on
>this.
>
>Many thanks Mike Tucknott(maggie building in swindon home of the Honda
>civic)
>   
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