[vox-tech] power supply question

[Eric W. Nelson]

Also, when a power supply goes out, but it's not the fan, keep it; you can 
use the fan next time.  Also, blow the fan off w/ compressed air 
periodically,  the dust makes it wear out.

On Saturday 11 May 2002 07:41 am, Marc Hasbrouck wrote:
> I second the motion to visit HSC. It's my favorite
> parts shop. The Sacramento store is over by ARC. They
> are open 9 - 5 Monday through Saturday.
>
> Marc
>
> --- Charles Polisher <cpolish@attbi.com> wrote:
> > Peter Salzman wrote:
> > > i built this system myself, so there is no
> >
> > warrantee, i'm afraid.
> >
> > > as for voiding the non-existant warrantee, i've
> >
> > already voided it.  the
> >
> > > power supply is laying open on my table.  :)
> > >
> > > i'm going to fry's tomorrow to pick up a new fan
> >
> > *and* power supply.  if
> >
> > > swapping fans works, i'll return the supply.
> > >
> > > this system is only about a year old.  this sucks!
> >
> > There's a big difference between ball-bearing fans
> > and fans with sleeve-type (?) bearings. The
> > sleeves are oiled 'for life', using a porous
> > sintered bronze for the sleeve so it holds the oil
> > like a sponge.  Trouble is, the oil gums up after
> > X revolutions of the axle (X = $BIGNUM), I think
> > the phenom is due to sulphites? Anyway, it gets
> > stubborn.
> >
> > Ball bearing fans are more expensive, less common,
> > and more durable if made with high-quality balls.
> > The failure mode for the bearings is having a ball
> > crack or chip and I think it's not too common, IOW
> > the fan might run essentially forever without the
> > bearings going south on you.
> >
> > You can often rescue sleeve ('journal'?) bearings
> > with a teeny bit of Tri-Flow aerosol lubricant
> > which has Teflon maybe and/or silicon lubricants.
> > You must remove the fan for this operation, or
> > risk having to replace the nearby electronics.
> >
> > Fryes must have the highest quality fans in town,
> > since you'll pay about 2x what they cost anyplace
> > else. Do yourself a favor if you've got time and
> > visit Halted (HSC) Electronics,
> >
> > 	http://www.halted.com/contact/index.htm
> >
> > it's a fantastic place to browse (the store, not
> > the website).
> >
> > HTH,
> > Chuck
> >
> > --
> > The Feynman problem solving algorithm: 1. Write down
> >
> > the problem  2. Think real hard  3. Write down the
> > answer
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