Could you post a photo of the motor somewhere? On Tue, Apr 24, 2012 at 9:08 PM, Josh Koffman wrote: > On Tue, Apr 24, 2012 at 4:27 AM, =A0 wrote: >> Ah, so it is a capacitor run motor (as distinct from a capacitor start m= otor, where a centrifugal switch opens the capacitor circuit one the motor = is up to speed, typically used on a saw bench and the like). > > I did a bit of searching around for "capacitor run synchronous motor", > but mostly found much larger units (rated in HP). Mine is about the > size of an espresso mug. > > Presumably if I took out the cap things wouldn't run well (or at all). > Because of that I'm considering leaving the existing board in place > and just tagging some leads on to it. That way the current > configuration of caps and resistors stays in place. > > I'm still confused as to how they manage to get 2 speeds out of it. If > indeed something is shorting, then there really are only two options. > Assuming AC connected to the green and white wires, the yellow wire > could either be shorted to white (shorting out the run cap), or to > green (basically then connecting the cap directly across the AC line. > > Thoughts? > > Josh > -- > A common mistake that people make when trying to design something > completely foolproof is to underestimate the ingenuity of complete > fools. > =A0 =A0 =A0 =A0 -Douglas Adams > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .