Alt-BEAM Archive

Message #04112



To: beam@sgiblab.sgi.com
From: Peter Low peterlow@fletcherspaght.com
Date: Tue, 01 Jun 1999 11:49:25 -0400
Subject: [alt-beam] Re: Counting RPM(Gearmotors)


Definitely interested!

My address is:
Peter Low
Fletcher Spaght, Inc
222 Berkeley Street
Boston, MA 02116

Thanks!

At 03:11 PM 6/1/99 +0000, you wrote:
>Hie , i thought of this way in counting ROM for a gearmotor,...i used a
>analog stop watch qhich is quite old and are all made from brasss gears and
>springs....i can get them for free here(if anyone wants them mail me, i will
>send it for free) i attach the output shaft of the motor to the inner gear
>that controls the timer (example when the motor turn once the timer is set
>to 1 second) this is maybe good for gearmotors as in at the range of 1 to
>200 i think cause normal motors have a few thousand RPM and which a timer ,
>like a clock dont have anough number to count them.I thought of Ians way of
>counting that is using two AA and a stopwatch but the thing is how did u
>know when the motor turn a completer circle ,even if u marked it , it will
>still be so small..well who ever has better and way simpler ideas which is
>reliable, please let me know
>
>jason
>
>
>______________________________________________________
>
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