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Subject: Re: [M]: OT: Dec motor failures
From: Steve Brown
Reply To: mapug@shore.net
Date: Sat Jun 02 20:57:24 2001
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While you're here, how about checking out the
Astronomy Book
List ? |
Hi Robert,
I imagine that Doc could be a master of just about anything he wanted to
master. He seems to be a pretty cool dude (imho).
Steve
Robert Preston wrote:
>
> Is Doc a master of understatement, or am I dense.
> (not that the two are mutually exclusive, I suppose)
>
> Add resistors to prevent DEC blow-ups, and the number of
> DEC blow-ups goes down. I guess the answer to the original
> question is that, yes, Meade addressed the problem. It might
> seem that a half-cent resistor couldn't possibly fix the problem,
> but a plain rubber o-ring would have saved the Challenger.
> Let's give credit where it's due. It's nice to see an elegantly
> cheap fix for what was probably a baffling problem (and an
> expensive one, given that most of the failures probably
> happened during warranty when new owners were most
> likely to drive the ends of their OTAs into the fork base
> and burn out the motor)(if personal experience serves me ;-)
> I don't have the resistors on my vintage lx200, but my
> memory of killing the DEC on the the forks is a good
> deterrent to repeating the event (so far!).
>
> RP
> Pittsburgh
> -------------------------
> > To the best of my knowledge that have been no changes at all to the
> > drives of electronics with one notable exception.
> > Current limiting resistors have been inserted into the power leads to
> > the motors.
> > Doc G
> >
> > > >I'm curious. Has Meade "finally" resolved the issues that created the
> > > >problems? Or, has this group educated people so well, it is handled as
> a
> > > >matter of routine?
> > > >
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