Alt-BEAM Archive
Message #05040
To: beam@sgiblab.sgi.com
From: Bob Shannon bshannon@tiac.net
Date: Mon, 05 Jul 1999 23:21:37 -0400
Subject: [alt-beam] Re: Something funny with the 1382 voltage triggers?
JVernonM@aol.com wrote:
> In a message dated 7/5/99 10:32:56 AM Eastern Daylight Time,
> bshannon@tiac.net writes:
>
> > Let me guess, about 2 cm long, 5mm wide at the flat sides, 6mm thick from
> > flat side to flat side, and 8mm wide on the rounded sides, right?
> >
> > If so, you probably have a much better motor than you might think. Was
> this
> > the
> > head positioning motor?
> >
> > I think you have a platinum wire motor there my friend. I think they are
> > close
> > to
> > a 1gm/cm in torque at ~35 ma, many times more efficient than pager motors,
> > and
> > they last a hell of a lot longer too.
> >
> Yes, and yes. Platinum aye? Spinner is a very "upscale type symet" I suppose
> :). Now that I think of it, the motor exhibited other traits as well. The
> lock up would come after placing the solar cell very close to the light
> source. When the engine fired the thing would spin as if it were attached to
> a 1F cap instead of the 4700uF cap it was hooked to. Then it would not cycle.
> I chalked it up to an internal cap since the list was discussing that at the
> time. I'm gonna have to look at this motor again.
> Jim
Nope, not an internal cap, just a far more efficient motor than a pager motor.
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