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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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