>List,
>Was driving my GPW (12 volt converted) this weekend at night on dads
farm
>and noticed bright blue sparking at the brushes on my alternator. Now,
I
>know it would spark a little with the brushes, but is it just that I
was
>watching at night, and it looked brighter, or is it a symptom of really
worn
>out brushes?
>
Probably worth checking out.
Alternator brushes operate on slip-rings unlike a DC Generator (Dynamo)
which has a segmented commutator. You'd expect a commutator to spark a
little as it is really a rotating switch but plain slip-rings in good
order with decent brush contact shouldn't really spark at all.
Richard
(Southampton UK)
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