[Elecraft] Soldering crimped connectors is not a good thing.

[lmarion]

I have the proper tools.
Over time the joints have become intermittent.

The joints I properly crimped and soldered have never become intermittent.
I guess the molecular bond with solder is greater  ; )

Leroy

-----Original Message----- 
From: Robert Harmon
Sent: Thursday, November 05, 2015 8:30 AM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Soldering crimped connectors is not a good thing.

thanks Mike,   good info !

73
Bob
K6UJ





On 11/5/15 7:18 AM, Michael Blake wrote:
> While many people recommend soldering crimped connectors, such as Anderson 
> Power Poles, it is not a very good idea.  The reason(s) it is neither 
> required, nor desired, is partially as follows:
>
> 1. A PROPERLY crimped connection creates a molecular bond between the 
> conductor and the connector that is more conductive than soldering.
> 2. The soldering process causes corrosion because even rosin core solder 
> is slightly acidic.
> 3. The solder that flows into or onto the conductor (wire) causes it to 
> stiffen and increases the probability that vibration or movement will 
> cause the wire to break at that point.
> 4. The annealing of the copper wire is altered which also increases the 
> possibility of wire breakage due to vibration or movement.
>
> It is absolutely necessary that the proper tool be used for the connection 
> being crimped.  If you are going to use a crimped connection it is 
> imperative that you have a tool that matches the connector.  If you do not 
> have the proper tool then DO NOT use crimped connections.
>
> Michael Blake
> k9jri at outlook.com
>
>
>
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