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Low power output, 24 pole 3 phase alternator | 11 comments (11 topical, editorial)

Re: Low power output, (3.00 / 0) (#7)
by Norm (peppysue@suite224.net) on Wed Aug 20th, 2008 at 03:08:04 PM MST
(User Info)

I also made a test coil from some copper
wire I stripped from a dishwasher motor I found
down the road the other day.
I suppose you would notice after you scraped the
insulation from the wire whether it was aluminum
or copper...? the enamel coating on aluminum makes
it look like copper.....I'm assuming that you
would know right off....still...you know what
they say about assume....

If not for you then for some newbie....
aluminum is not quite as conductive as copper.
( :>) Norm

Re: Low power output, (3.00 / 0) (#8)
by rfirth (rfirth1@(remove this part)lsu.edu) on Wed Aug 20th, 2008 at 04:25:35 PM MST
(User Info)

I've tried to strip off more enamel, and it still seems to be copper colored. It could be that I'm not getting all the enamel off, and the remaining enamel is making it copper colored, or it could just be copper. At this point I'm not 100% convinced either way. It looks like it could be impure copper. I'll do more testing and get back to you.

Thanks for the warning!
Robert Firth
[ Parent ]

Re: Low power output, (3.00 / 0) (#10)
by TomW on Wed Aug 20th, 2008 at 05:47:59 PM MST
(User Info)

Robert;

DanB used to suggest burning the enamel off with a torch. Get the copper cherry hot and scrub off the rest with emery paper. He also thought this softened the wire and prevented stress cracks from vibration, I believe.

Just a thought.

Tom

"Education consists mainly of what we have unlearned."--Mark Twain
[ Parent ]

Low power output, 24 pole 3 phase alternator | 11 comments (11 topical, 0 editorial)

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