Re: Backward Clocks (was Re: Grace Hopper)

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#1320

From: kr... Ed Krol
Date: Mon, 19 Feb 1990 15:50

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kara...@husc8.HARVARD.EDU (P.J. Karafiol) writes:

>And I once had a clock that would occasionally take it into its head to start
>running backward.  Had nothing to do with polarity of the plug, time of day,
>anything that we could tell.  Pretty frightening.  But it fell off a table
>one day and died.

The synchronous motors in most clocks will gladly run either direction.
(Based on where in the sine wave you plug them in).  But there is a spring
which prevents the rotor from rotating counterclockwise.  So they 
when intact, run clockwise.

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Message-ID: <1990Feb19.155015.13264@ux1.cso.uiuc.edu>

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<5353@star.cs.vu.nl> <3767@accuvax.nwu.edu> <ED.90Feb14182504@ravel.sli.com> <2232@rex.cs.tulane.edu> <T80T%_@rpi.edu> <77225@tut.cis.ohio-state.edu> <1718@husc6.harvard.edu>

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Path: mbox-mo1.pugleaf.net!gmdzi!unido!mcsun!uunet!samsung!usc!rutgers!iuvax!ux1.cso.uiuc.edu!krol
From: kr...@ux1.cso.uiuc.edu (Ed Krol)
Newsgroups: alt.folklore.computers
Subject: Re: Backward Clocks (was Re: Grace Hopper)
Message-ID: <1990Feb19.155015.13264@ux1.cso.uiuc.edu>
Date: 19 Feb 90 15:50:15 GMT
References: <5353@star.cs.vu.nl> <3767@accuvax.nwu.edu> <ED.90Feb14182504@ravel.sli.com> <2232@rex.cs.tulane.edu> <T80T%_@rpi.edu> <77225@tut.cis.ohio-state.edu> <1718@husc6.harvard.edu>
Organization: University of Illinois at Urbana
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Posted: Mon Feb 19 16:50:15 1990
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