[TheForge] OT - Variable-speed motor & controller

[Michael Horgan]

Look for used treadmills, Bruce. A nice motor with the speed 
controller.  Seing a lot of guys using these building machine tools, 
or replacing the motors on their old tools.
Take a look here...
http://www.instructables.com/id/Use_a_Treadmill_DC_Drive_Motor_and_PWM_Speed_Contr/

At 05:27 PM 7/16/2009, you wrote:
>I have an application for a variable speed motor.  1/6 HP would
>probably do, but I might go up to 1/2 HP.
>
>I need continuous speed control across some reasonable range.  I will
>be using a pulley drive, so I can always vary pulley sizes to get the
>range I need.
>
>I am not conversant with speed control on motors.  What would be an
>appropriate type of motor and controller to use for such a purpose?
>I'm watching my penneys so will favor lower cost.
>
>Any advice would be appreciated.
>--
>Bruce
>NJ
>
>The total lack of evidence is the surest sign that the conspiracy is working.
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Michael D. Horgan , lughaid at earthlink.net
http://members.aol.com/lughaid/
posting from
  A BRAZEN FORGERY
Blacksmithing and Metalwork
Claremont, Ca.