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Re: [APD] Using powerheads for a CO2 diffuser
Thanks for the explanation. I have for along time thought
that manufacturers used epoxy to pot the stator coils. But
if TAAM was only using epoxy to seal in oil, or whatever,
well, howabout and wattdidtheyspect?
Anyway, thanks for the explanation.
I've used smaller rios without any problems and small
maxi-jets. Of course this is several years later, too.
--- Bob_Ashcraft at L-3com.com wrote:
> > Date: Tue, 6 Dec 2005 18:16:03 -0800 (PST)
> > From: "S. Hieber" <shieber at yahoo_com>
> > The Rio were once quite popular with the reefers for
> > venturi protein skimmers, then TAAM reportedly had a
> > of disintegrating impeller cores about 5 years ago and
> > crowd seemed to swing over to the Max-jets.
> > Scott H.
> The impellers really weren't the issue. It seems that
> the motor itself
> would overheat, either from the impeller not spinning
> because of calcium
> deposits, or, just for no apparent reason at all. The
> excessive heat
> would cause the potting material used around the coils to
> melt and seep
> into the water, basically creating an oil slick which
> could, and usually
> did kill the entire tank. This was only a problem with
> the 1700's, 2100's
> and 2500's.
> Bob Ashcraft
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
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