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RE: [TCML] copper tube stationary gap - was: NST rebuild good
Hi David,
I like the sound of your setup, too. If it isn't too much
trouble for you then yes, I would love to see some
picks of your setup. Of course this isn't my first
jab at an air-cooled stationary gap but I want to
make sure that I get this one well made the first time :^)
My email: drieben@xxxxxxxxxxx
--
David Rieben
-------------- Original message --------------
From: david baehr <dfb25@xxxxxxxxxxx>
>
> Hi,
> I have a 4"dia coil I run up to 3kw. I use a static gap with 9 ( 8 actual
> gaps ) 1" copper pipes that are 3.25" long , and they are cooled by two muffin
> fans , each having a 4" fan blade. My mounting system is diffrent from others
> Ive seen,...it makes for max cooling & ease of cleaning. Even if you can hold
> the temp down on your copper pipes, they will eventualy start 'beading' and
> need to be lightly sanded , cleaned etc . I can simply pick up a pipe, clean it
> , & lay it back down & its ready to go. I can Email ya a pic if needed. Its
> pretty stable , spark length is good on long runns.
>
> your coil is 6" dia ? 6"x24" is a good start,..thats the size i used
> on my 4" coil,..i now run the four 8" gazing ball configuration
>
> keep sparkin' daveB
> > From: drieben@xxxxxxxxxxx> To: tesla@xxxxxxxxxx> Date: Sat, 12 Jan 2008
> 07:03:57 -0600> CC: > Subject: [TCML] copper tube stationary gap - was: NST
> rebuild good> > Hi Bart,> > Thanks for the info. BTW, 1" copper pipe is the
> largest that> I can find in my local Home Depot or Lowe's. Did you have > to go
> to an actual old-fashioned hardware store to find the> 1 1/2" copper pipe? I
> know that larger diameter copper pipe> can be obtained at a plumbinng supply but
> you mentioned > getting yours at a hardware store. I still have about a 6 ft. >
> length of 1" copper pipe and I hate the idea of having to > buy more larger
> idameter copper pipe at its current price$.> (A 10 ft . length of the 1" stuff
> at my local Lowe's is now> ~$46!). > > Also, what size of toroid would you
> recommend for my pro-> posed coil? I was thinking around 6 x 24 or possibly
> even> 8 x 30 (inches). Looks like it's getting close to time to get> another
> TCML toroid bulk buy ;^)> > David >
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