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Subject: RE: [M]: LX200 Dec Rebuild- Performance Results 3 Months Later
From: Bill Arnett
Reply To: mapug@shore.net
Date: Tue Mar 31 01:44:06 1998
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While you're here, how about checking out the
Astronomy Book
List ? |
At 1:40 AM -0800 3/30/98, Michael Hart wrote:
>.... My Dec clutch with roller bearings
>require 9 grams of unbalance to displace the tube...
You're using the wrong units, Michael! You need to specify how far from
the axis that 9 gram weight was placed. The force on the tube is measured
in gram-centimeters (or inch-ounces for the metricly challenged or newtons
for those with really sticky bearings :-)
(I'm 100% sure that Michael knows this :-) But with all the confusion
exhibited here about balancing, I think this needs to be clarified.)
---
Bill Arnett "Science is a way of trying
San Jose, CA USA not to fool yourself." -- Feynman
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