Newer Beemer 8s and 12s ( which are also used in a lot of one-off exotic
apps) use a continuous 150 amp unit and can be fitted with an optional 300
amper - both without cooling fans. Supposedly stay silent even when
everything is turned on at one time. It's designed like a waterpump - the
stator is mounted in a hole in the engine block and the rotor is removable.
Being surrounded by the engine supposedly reduces stereo and ignition brain
box interference. A lot of the newer alternators (watercooled and even
"traditional" fan and belt units) are apparently no longer using carbon
brushes - so as long as the coolant hose on the LC version doesn't break, it
should last forever..... Seville and Deville are also using watercooled alts.
Heres an interesting tech article on the subject
http://www.iskra-ae.com/slo/docs/alternators_liquid_cooled.pdf
I'm the resident gearhead at a company that underwrites coverage for high
end and exotics, and have to stay up to speed on all the latest stuff, so
thanks for the heads-up.
---- "J.D. Tone" <gmc6power@earthlink.net> wrote:
> Broken cooling hose could sprayed coolant into the alterntor making it
> inoperative.........Just a thought
>
> >
> >>
> > Anybody ever heard of a liquid-cooled alternator? My son just had his
> > alternator replaced and was told it failed because of a broken cooling
> > hose
> > to
> > the alternator. $1400 bucks worth of replacement!
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