100% silver solder is on the shelf for sale in Thailand. Also, Thailand dont
need no stinking limit on its use of lead. Also, dont breath the flux smoke.
Charles Harpole
k4vud@hotmail.com
> Date: Sun, 26 Aug 2012 12:41:55 -0700
> From: audioguy@q.com
> To: k5am@zianet.com
> CC: amps@contesting.com
> Subject: [Amps] Silver-bearing solder? (WAS: Re: Solder flux)
>
> On 8/26/2012 12:18 PM, Mark K5AM wrote:
> > At 2012-08-26 15:48, Carl wrote:
> >> Many years of hard use might crystalize the solder at the switch and
> >> elsewhere in RF paths, it should be removed and fresh solder flowed on.
> >
> >
> >
> > More easily, a drop of liquid flux, and reheating, will brighten up
> > the connection.
> >
> > 73,
> >
> > Mark, K5AM
> > www.zianet.com/k5am
> Which brings to mind a related question:
> What's the latest thinking about using silver-bearing
> solder in amp tank circuits? In the US, Radio Shack
> sells 62/36/2% tin/lead/silver solder for $7 USD for
> a 1.5 oz roll. One roll will do most tank circuits, so
> it isn't terribly expensive, relatively speaking.
> Is 2% enough silver to make a significant difference
> in the ability to withstand thermal cycling and
> vibration?
>
> Thanks,
> Jim N7CXI
>
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