Re: servo motors or just a reasonable facsimile?

Bill,

Thanks. I thought of that already so I took the brushes out and spun
the shaft a bit. A little smoother but still some cogging. I was
tempted to take one apart, but fought off the temptation to do so by
remembering that I cracked a magnet on the lathe motor at work by not
keeping my rampant curiosity in check =]

-Tom Murray

> What you are feeling is probably the brushes moving over the

commutator, and

> is normal, the cheaper motors are quite rough usually, So if they

are smooth

> you probably did well. If you try to take them apart be careful of

the

> brushes, if they are not externally removable, it can be a big can

of worms.

>
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