On 2009-07-03, wrote:
On Jul 3, 3:02*am, "DoN. Nichols" wrote:


* * * * Are you complaining about them mostly being DC motors, or about
the one AC and the VS pulley assembly? *Both would be interesting to me
Or did you get one assuming a DC motor, and when you got it home you
discovered the VS pulley?

Not complaining. Just commenting. I acquired several treadmill
motors and found that one of them had a AC motor and a VS pulley. So
if you want a DC motor, check how the speed is controled. Like you I
found both interesting.

O.K.

Cheap Variacs are a little hard to find.

Granted. I collected mine long ago -- many from hamfests.

But a light dimmer or Router
speed control will work and I think will give you somewhat better
speed control than a Variac.

Not sure that the speed control is going to be better. In
particular, at the lowest speeds the behavior tends to be speed pulses
with those.

Enjoy,
DoN.

--
Email: | Voice (all times): (703) 938-4564
(too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html
--- Black Holes are where God is dividing by zero ---