17 Apr
2003
17 Apr
'03
1:57 p.m.
but I still don't know how to sit down and
accurately
determine the physical characteristics of these gears
Look up gears/gearing in Machinery's Handbook for a definition
of all the defining parameters for gears.
At 07:20 AM 4/17/03 -0700, you wrote:
--- steven <tosteve(a)yahoo.com> wrote:
Hmm, try saying that 3 times real fast...
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Please post the source, if you find one. I have an Atari plotter
and a Commodore plotter (model 1520) that use the same mechanism
and the same pens.
What I could _really_ use is a source of the gear that fits directly
on the X and Y motor shafts. I have tried going to local RC car and
model train shops, but they don't carry gears. This thread has come
up before, but I still don't know how to sit down and accurately
determine the physical characteristics of these gears to the
satsifaction of a mail-order gear vendor. I can mic the shaft, I
can count teeth, but the rest eludes me.
I did buy a handful of plot engines from a surplus house. 80%
had fractured gears. :-(
-ethan
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