* On 2019 16 Jun 22:04 -0500, Bob McGraw K4TAX wrote:
> Yes, lugs can not be soldered alone. They must be crimped first and THEN
> soldered. At the same time, some installations of aeronautical equipment,
> along with NASA procedure, I do understand does indicate sweating solder
> into the lug
..@illinois.edu
>
> Amateur Radio, KE9UW
> aka Jack, BMW Motorcycles
>
>
> From: elecraft-boun...@mailman.qth.net on
> behalf of Bob McGraw K4TAX
> Sent: Sunday, June 16, 2019 10:03 PM
> To: elecraft@mailman.qth.net
> Subject: R
cycles
From: elecraft-boun...@mailman.qth.net on
behalf of Bob McGraw K4TAX
Sent: Sunday, June 16, 2019 10:03 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Terminal resistance
The company for which I previously worked designed and built recording
studio consoles. In order
The company for which I previously worked designed and built recording
studio consoles. In order to eek out every bit of noise, that is
achieve the lowest noise floor, it was necessary to crimp and then
solder the lugs on the power supply cables on both ends. Crimping was
only OK and was
I cut a cross-section of my battery cable crimps and it essentially is one
solid block of copper:
See this page:
https://sites.google.com/site/marksrvmods/home/battery-wiring
Note that expensive crimpers are "calibrated". They make one or more
connections on sacrificial wiring and cross-section
"but these engineers are cleaver people!"
Engineers with slide rules are arguably less of a threat than those with
cleavers.
Resistance is futile...
73,
Andy, k3wyc
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Elecraft mailing list
Home:
George,
Solid wire will eventually break if it is flexed - and it will break
right where the terminals are attached.
Stranded wire that is soldered will also break - right where the end of
the solder that wicked up the wire stops.
The best is stranded wire with crimped connections made
* On 2019 16 Jun 18:50 -0500, Kidder, George wrote:
> Interesting data, Don. I wonder if there is any information about
> resistance variations between soldered and crimped terminals. One might
> think that, with stranded wire, even a good crimp connection might not
> solidly involve all of
Interesting data, Don. I wonder if there is any information about
resistance variations between soldered and crimped terminals. One might
think that, with stranded wire, even a good crimp connection might not
solidly involve all of the strands, and might additionally deteriorate
with time
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