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Re: was : Its alive



In a message dated 5/15/99 5:55:45 PM Pacific Daylight Time, tesla-at-pupman-dot-com 
writes:

> Greetings all,
>     Have continued modifications to my coil and thought I would let you know
>  where I am at now.
>  The primary has 12 turns of 4 ga. wire and an inside dia. of 6 in. the
>  spacing is 3/8 in. The capacitor is a .005 uf rolled poly and aluminum
>  flashing. The secondary is 4 in. acrylic wound with 20 in. of 24 ga. wire.
>  The current toroid is 4 in. x 16 in. aluminum duct covered with foil tape. 
I
>  am using a 15KV -at- 30 ma. NST. I am using one of Quicks gap designs using 13
>  1in. x 4 in. copper tubes with a 240 CFM fan. Using the above setup, I have
>  the primary tapped at about 11 turns and am getting 12-14 in. sparks all
>  around the toroid. The sparks start at about 35 v. into the NST. If I put 
my
>  20 in. toroid on, I can get 24 in. sparks to a grounded object if I put a
>  small nail taped to the toroid.
>     I am still experimenting with tuning etc. but am pleased that it works 
at
>  all. The fact that it hasn't gone up in smoke was a releif. I am planning a
>  larger coil in the future, but want to experiment with this one a bunch 
more
>  and get used to how things are supposed to work first.
>    I would again like to thank all that have given ideas and suggestions to
>  me during this project. A lot of the RF theory that I havn't used for years
>  is coming back to me now.
>     Any further comments on improvements wouls be appreciated.
>  
>  BTW. The rolled poly caps are really easy to make and are really 
inexpensive
>  to make. The one I made which is .005 uf and rated at 40 KV and cost less
>  than $50.00 to make. With the materials left over, I can probably make 2 or
>  3 more.
>     Thanx again
>  George Stein

George,

Congratulations on your first sparks.  It sounds like the coil is performing 
well.  Have fun.

Ed Sonderman