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Solder Station & Solder vs Crimp

 
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Michael Wynn



Joined: 10 Jan 2006
Posts: 148
Location: San Ramon, CA

PostPosted: Sun Jan 15, 2006 8:48 am    Post subject: Solder Station & Solder vs Crimp Reply with quote

Hi guys

I took a quick look at Metcals online. Looks like there are quite a number
of models available. What do you recommend? As a sub-question, I wonder if
one is better off crimping connections or soldering. Where do you use which?

I have always thought of soldered joints as more electrically reliable.
However, there is a stiff part where the solder runs up the wire. That would
seem to be more prone to vibrational damage than a properly crimped joint.
Thoughts?

Michael Wynn
RV 8
San Ramon


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Michael Wynn
RV 8
San Ramon, CA
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mprather(at)spro.net
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PostPosted: Sun Jan 15, 2006 10:13 am    Post subject: Solder Station & Solder vs Crimp Reply with quote

The issue of crimp or solder has been discussed at length on this list
in the past. If you are interested, I recommend a perusal of the
archives. The short answer is that either technology can be used
successfully, with few exceptions, as long as it is done in a
craftsmanlike manner. Both technologies require the use of appropriate
strain relief, and physical support against vibrational damage. In
general, if wire leading to a hardpoint (be it a crimped, or soldered
joint, or some other rigid, constraining interface) is allowed to wiggle
around, work hardening of the conductor will take place, and that will
lead to broken wire.
Regards,

Matt-

MLWynn(at)aol.com wrote:

Quote:


Hi guys

I took a quick look at Metcals online. Looks like there are quite a number
of models available. What do you recommend? As a sub-question, I wonder if
one is better off crimping connections or soldering. Where do you use which?

I have always thought of soldered joints as more electrically reliable.
However, there is a stiff part where the solder runs up the wire. That would
seem to be more prone to vibrational damage than a properly crimped joint.
Thoughts?

Michael Wynn
RV 8
San Ramon









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nuckollsr(at)cox.net
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PostPosted: Sun Jan 15, 2006 10:33 am    Post subject: Solder Station & Solder vs Crimp Reply with quote

At 11:47 AM 1/15/2006 -0500, you wrote:

Quote:


Hi guys

I took a quick look at Metcals online. Looks like there are quite a number
of models available. What do you recommend?

Cheap ones. Buy off Ebay . . . See Ebay items:

7579854071
7580532665
7580702004

and others under "metcal" search term

Quote:
As a sub-question, I wonder if
one is better off crimping connections or soldering. Where do you use which?

They are for all practical purposes interchangeable
technologies. One is more expensive and less process
sensitive but either can produce long-lived joints.
Quote:

I have always thought of soldered joints as more electrically reliable.
However, there is a stiff part where the solder runs up the wire. That
would
seem to be more prone to vibrational damage than a properly crimped joint.
Thoughts?

Much of what's circulated as fact is indeed myth. See:

http://aeroelectric.com/articles/rules/review.html

http://aeroelectric.com/articles/big_term.pdf

http://aeroelectric.com/articles/CrimpTools/crimptools.html
Bob . . .


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