Re: [TCML] Table top Magnifier

[Scott Bogard <teslas-intern@xxxxxxxxxxx>]

David,
     That is pretty cool!  17-in arcs seem like pretty good performance 
from a single OBIT.

Scott Bogard.

David N. Van Doren wrote:
> Hello Everyone
> I wanted to show everyone my latest Tesla project.
> A table top, plug and play Magnifier.
> I have photos at this link  http://www.flickr.com/photos/21962809@N02/
> I've always wanted a small table top coil that I could plug in anywhere
> and have a lot of fun with. So I built this coil out of parts I had "in stock". 
> I also have been using this as a study coil
> to learn more about theory of opperation. Using LT Spice and Exel spead sheets
> and of corse the Pupman List I have been able to examin it's operation like never before.
> I still have a lot to learn and
> I still have some tweeking to do but this close enough for now.
>
> Specs are as follows:
>
> Transformer: Oil burner ignition xformer, 10kv @ 23ma
> Capacitor: 8.9nf mica paper RFcap, 45kv BIL
> Spark Gap: 3 gap quenched gaps, Gap width set to the max!
> Primary Coil: 55uH, 15 turns 1/8 dia cu tube, 8.5" dia .25" pitch
> Secondary Coil: 3.7mH, 200 turns 20awg, 6" dia x 7" long
> Primary/secondary Coeffient of Coupling: .5
> Extra Coil: 24.77 mH, 1083 turns 30awg, 3.5" dia x 13" long
> Top load: Spun aluminum 4" x 12"
> Max spark length: 16-17"
>
> Thanks everyone hope you enjoy
>
> David 
> _______________________________________________
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> http://www.pupman.com/mailman/listinfo/tesla
>
>
>   


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