RE: [TCML] Source for copper hardware

["Dave Halliday" <dh@xxxxxxxxxxxxxx>]

Check Fastenal - my broadband is through WildBlue satellite and it's raining
pretty heavilly here otherwise I would find the catalog page.

www.fastenal.com

Good people and decent prices.

Dave 

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx 
> [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of Dave Leddon
> Sent: Tuesday, March 30, 2010 11:31 AM
> To: Tesla Coil Mailing List
> Subject: [TCML] Source for copper hardware
> 
> I've been trying to eliminate hot spots in the primary circuit of a 
> relatively high current (~3000 amp) drsstc by replacing high 
> resistance connection points with copper.  Even a one-inch length of 
> 3/8-inch brass bolt can generate enough heat to melt the solder right 
> out of a terminal lug.  Which raise another interesting point, what 
> about solder?  It has ten times the resistance of copper so maybe all 
> lugs should be crimped.  I only soldered them because I don't own a 
> crimper large enough to deal with #2 welding cable.  But I 
> digress.  I've not had any success locating a source for copper nuts 
> and bolts, probably because copper isn't strong enough to be consider 
> a fastener, and so have been force to machine my own.  I would much 
> rather just plunk down the credit card.  Does anybody know of a good 
> source for copper hardware?
> 
> Dave
> Pleasanton, ca
> 
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