I've searched around the net for sprockets for a project and am
suffering a case of sticker shock for what seems to me should be a
We're making a home-brew 'tower clock' with one hand on a 0.750" OD
shaft and the other hand on a 2.250 inch shaft, and planning on driving
the two shafts separately, each with its own servo/stepper motor.
I'll put a small sprocket on the servo motor and a larger one on the
'hand shaft' - and for simplicity in the servo driving software I'm
planning on both hand shafts using the same number of teeth.
What I can't find is cheap sprockets (either chain or cog belt) about 3"
in diameter that I can bore out the center to 2.250" to allow the larger
hand shaft to fit through.
As a side question, if I find steel sprockets are they hardened or
Anyone got a favorite sprocket source they'd like to share?
Thanks in advance
"Dear God: please grant me a fat bank account and a slender body - I
hope you don't get it backwards like last year..."
- posted 7 years ago