[BC] Irons for silver soldering copper strap

[Gary Glaenzer]

----- Original Message ----- 
From: "Mike McCarthy" <Towers at mre.com>
To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
Sent: Tuesday, October 16, 2007 12:44 AM
Subject: Re: [BC] Irons for silver soldering copper strap


> Depending on the size strap and application, I try to silver solder
> everything.  In the event of a lightning strike, the current flow will
> instantly flow the non-silver solder and the joint will break.

tin the mating surfaces, apply flux, then create a mechanically interlocked joint, heat it
till solder flows

that way, even if a strike gets it hot enough to melt, it will stay together till it
re-hardens