Commercial HVAC (heating, ventilating, air conditioning) dealers. They are
duct mixture control motors.

--
Crazy George
Remove N O and S P A M imbedded in return address
"Dave VanHorn" wrote in message
...

"Cougercat" wrote in message
news:gb%Gb.663529$Tr4.1667477@attbi_s03...
Vent rotor motors work very well. These motors are used in HVAC systems
in
commercial buildings. They usually take 24 volts to operate and only
turn
from 0 to a few degrees past 90. Most are settable.

Where do they come from?
I didn't get any hits on google, or ebay.