nuckolls.bob(at)aeroelect
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 Posted: Sun Jun 13, 2010 2:00 pm Post subject: Welding Cable for fat wires |
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At 04:00 PM 6/13/2010, you wrote:
--> AeroElectric-List message posted by: Charlie England <ceengland(at)bellsouth.net>
And, if I may piggy back on this, the fact that it is more flexible means that a less than perfect installation is less likely to cause fatigued connections (or even fatigued wire).
Charlie
Absolutely! The wire is DESIGNED for flexibility being
crafted from copper cat hair . . .
http://aeroelectric.com/Pictures/Wire/4AWG_Welding_Cable_1.jpg
. . . which means that it is fundamentally less suited
to stressing terminals by virtue of it's role as
a Class 2 lever. It's difficult to apply a force by
means of a soggy noodle.
Some of the earliest experiences with SVLA battery failure
manifested as a fracturing of the lead terminal-posts
just at the top of the case seal . . .
[img]cid:.0[/img]
Root cause turned out to be 2AWG Tefzel battery jumpers
transmitting considerable stress to the posts under vibration.
Converting to welding cable jumpers fixed the problem.
However, this doesn't negate the need for support immediately
adjacent to crimped or soldered joints where the
wire transitions from very flexible to very inflexible.
Thanks for reminding me Charlie.
Bob . . .
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