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Re: Static Gap Spacing



Original poster: "R Heidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>

on 12/03/01 6:47 PM, Tesla list at tesla-at-pupman-dot-com wrote:

> Original poster: "Erik Kettenburg by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <missyrat-at-pacbell-dot-net>
> 
> Terry,
> I was wondering how do I know where to put the long pipe to start? I mean
> with a 15kv/30ma how do I know what is too much voltage and what happens if
> I put the long pipe to far back? Also I'm wondering what type of transformer
> you're using with this gap, will I need 60 sections for running it with my
> transformer(15/30)?
> Also I'm curious as to how you grounded the long safety pipe, is it gorunded
> to the same grounding rod as the primary or to a seperate one or what?
> Thanx
> -Erik
> ----- Original Message -----
> From: Tesla list <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Monday, December 03, 2001 4:08 PM
> Subject: Re: Static Gap Spacing
> 
> 
>> Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>
>> 
>> Hi Erik,
>> 
>> You may want to check out the following for ideas:
>> 
>> http://hot-streamer-dot-com/TeslaCoils/Misc/terrygap.jpg
>> 
>> Glueing the pipe sections down with fast drying epoxy and spacing them
> with
>> some consistant spacer may be far easier that screws.  Be such it will
> stick to
>> your plastic base first.
>> 
>> I will leave gap width sugestions to others that do not live at high
>> altitude...  But "I" would space each with playing cards that add to about
> the
>> thickness of a dime.  But trust others on this more than me...
>> 
>> Cheers,
>> 
>> Terry
>> 
>> 
>> At 04:01 PM 12/3/2001 -0800, you wrote:
>>> 
>>> Hi,
>>> I'm making a static gap out of 12 3" peices of 1" copper pipe all screwd
> into
>>> lexon/lucite in a row and I'm wondering if there is a way to know how
> big to
>>> make the total gap width (i'm using a 15kv/30ma transformer) also how do
> I
>>> know how big to set my safety gap? This is my first coil so a good
>>> explanaition or reference to one would be a great help
>>> Thank You
>>> Erik Kettenburg
>> 
>> 
>> 
>> 
> 
> 
> 
I use a hack-saw blade as a gap gauge for spacing. I mount my copper pieces
inside a piece of PVC pipe and mount it all verticaly on spacers to provide
natural air cooling. I mount each pipe piece with 6-32 bolts in a 1/8" hole
to allow adjustment. I select my spacing of the total gap by which bolt I
connect my wire to, Bolt 6 to bolt 12.
   ROBERT  H