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Kellym
Joined: 10 Jan 2006
Posts: 1706
Location: Sun Lakes AZ
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 Posted: Mon Jul 09, 2012 4:29 am Post subject: Bending ring terminals on superflex-battery cables... |
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Lets clear up some misconceptions. A copper ring terminal bent once
won't need annealing. Copper anneals by heating along, quenching not
required. Spark plug gaskets anneal equally well whether they are air
cooled or quenched. And yes, you need the copper heated to cherry red
to anneal it, so you are not going to protect the insulation that comes
on a ring terminal.
On 7/9/2012 5:12 AM, Stuart Hutchison wrote:
| Quote: | If you're tempted to anneal, keep in mind that that cold-worked copper
(such as spark plug seals) is annealed by quenching rather than slow
cooling like most other metals. The heat required to anneal would
need to be quenched to avoid damage to the insulation anyway !
Cheers, Stu
------------------------------------------------------------------------
*From:* owner-aeroelectric-list-server(at)matronics.com
[mailto:owner-aeroelectric-list-server(at)matronics.com] *On Behalf Of
*bob noffs
*Sent:* Monday, July 09, 2012 9:30 PM
*To:* aeroelectric-list(at)matronics.com
*Subject:* Re: Bending ring terminals on
superflex-battery cables...
i would bend it once but never again after that. lets see what the
expperts say.
bob noffs
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
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stuart(at)stuarthutchison
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| Posted: Mon Jul 09, 2012 5:14 am Post subject: Bending ring terminals on superflex-battery cables... |
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Agree with your single-bend comment Kelly. I was told otherwise by my
engine shop in regard to air cooling, but I'll take your word for it in the
absence of other evidence!
Quenching any metal to anneal seems counter-intuitive to start with, but to
think both air cooling and quenching have the same affect on a metal (copper
in this case) is quite bizarre !
Yes, cherry red hardly gives plastic a chance. I've used a cool wet wrap
when soldering terminals to #2 CCA fatwire with reasonable success.
Heatshrink does the rest.
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Neal.George(at)hurlburt.a
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| Posted: Mon Jul 09, 2012 6:06 am Post subject: Bending ring terminals on superflex-battery cables... |
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Before you bend that tab, apply your sheet metal skills. Round the
sharp edges and inspect for nicks & scratches that might start a crack.
Neal
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