[Elecraft] [K3] - mods and solder

[Jim Cox]

Will this thread ever die a graceful death?

----- Original Message ----- 
From: "Vic K2VCO" <vic at rakefet.com>
To: "Elecraft Reflector" <elecraft at mailman.qth.net>
Sent: Wednesday, April 02, 2008 11:37 AM
Subject: Re: [Elecraft] [K3] - mods and solder


> Alan Bloom wrote:
> 
>> Water-soluble flux is OK for electronic work only if it is washed off
>> after the soldering job is complete.
> 
> It's very hard to wash off completely and is usually used for mechanized 
> soldering. It's not recommended by Elecraft. If you don't wash it off 
> completely, what's left absorbs moisture from the air and becomes 
> conductive.
> 
>> Lead-free solder is all the rage now as it is required in Europe for
>> environmental reasons.  However, standard tin-lead solder is easier to
>> use (lower melting temperature) and cheaper so I recommend it for hobby
>> use.  If you're worried about lead poisoning, wash your hands after use.
> 
> There are also issues with long-term stability of lead-free solder (it 
> grows whiskers) and other problems.
> 
> -- 
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
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