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  1. jaustinmd

    Speed Control for 3 Post DC Motor

    Thanks waross and starkopete! In looking at a diagram of a common Alltrax controller http://www.alltraxinc.com/files/Doc100-045-A_DWG-AXE-No-Reverse-wire-dia.pdf , I noticed that one armature post is connected to one of the field posts. Looks to me I could isolate the motor from ground (easy...
  2. jaustinmd

    Speed Control for 3 Post DC Motor

    I want to speed control a 24v DC, series wound, 3 post, reversible, Ramsey-Pierce winch motor. The solenoids for forward and reverse are wired per this diagram: http://www.wms1.com/cgi-bin/category.pl?category=inf_dwgs&pagenum=130 My motor is as depicted in the diagram, the case is connected to...

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