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(ET) Reversing E20 DA Motor Polarity



Will a member, maybe Ralph, who has experience with the electronic controller conversion of the E20, tell me the best way to change rotation direction on the E20 motor? The original setup of the drive motor runs best in one direction and is kind of jumpy in the other direction. Is it OK to run the motor with armature cables reversed so that the smooth running is in forward gears? The motor now wired in accordance with supplier provided schematic is jumpy in forward and smooth as silk in reverse. The motor was tested before the conversion using two 12v batteries and direction of rotation was reversed by changing either the polarity of the field (F1 & F2) or the armature (A1 & S2). A comment will be appreciated. Thank you. Raymon Ellis