> Michael-
> Glad things are working out.  I have been playing with floppy steppers,
and they
> are probably ok for my application, but where did you get the 'real stump
> pullers' - I think I could afford $7 each ;-)
> David

I got them from a surplus store here in houston.  They seem to have come
from some type of medical machine.  There is a nifty assembly attached that
with about 15 or 20 little "fingers" in a line.  When the motor turns, the
"fingers" move up and down in a moving sine wave type pattern.  They were
used as a pump in some type of dialysis or bypass machine.

I probably shouldn't have called them stump pullers, but they are
significantly more powerful than the only slightly smaller floppy motors.
They've had these for over a year, and they don't seem to be selling too
fast.  However, some engineer, selling 8052-type development boards just put
together a demo using one of those stepper motors, so they might dry up
quick.  You just never know.

I got them from Electronic Parts Outlet (aka EPO) here in houston.  If you
need, I could get their phone number for you, or even get some and ship them
to you.  They are used and asis, but the two that I got work fine.

BTW, do you know any way to get them to quiet down or to turn more smoothly.
I am already half stepping them, but that is just not as smooth as I'd like.

michael

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.