[Elecraft] Power Poles solder or crimp

Thu Jun 13 22:29:01 2002

This is why the FAA does not allow connectors to be soldered onto wire.
They can only be crimped.  The vibration of the aircraft will make the
stranded wire break exactly where the solder stops.

----- Original Message -----
From: "Don Wilhelm" <[email protected]>
To: "Elecraft" <[email protected]>
Sent: Thursday, June 13, 2002 8:55 PM
Subject: Re: [Elecraft] Power Poles solder or crimp

> Folks,
> There is only one negative aspect of soldering terminals that I am aware
> of - and that is the fact that stranded wire has a tendency to break right
> where the solder stops.  This is due to the additional flexing that occurs
> at that point - the solder wicks up the wire a bit and makes it stiff, so
> any movement of the wire or connector will cause the wire to flex at that
> point.  This doesn't happen with unsoldered stranded wire because the flex
> is absorbed over a longer length of wire, but when the flexing motion
meets
> with a stiff part, it can't move any further along the wire and so the
wire
> bends more sharply at this juncture.
>
> Soooo - if you solder the connectors, take Don Brown's sage advice and use
> as little solder as possible.
>
> 73,
> Don Wilhelm  - Wake Forest, NC   W3FPR home page:
http://www.qsl.net/w3fpr/
>   QRP-L # 485   K2  SN 0020   mailto: [email protected]
>
> *** Life is what happens when you're making other plans -- Mike Cross  ***
>
> ----- Original Message -----
> ....
> When soldering the terminal you must use a very small amount of solder or
> the pin will not insert into the housing. The solder must not get on the
> contact area of the terminal and it is best if the solder does not wick up
> under the insulation.
> ...
>
>
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