Check the field resistance with the plug disconnected.BTW
what flavor of E-15 do you have. Field reversed or armature reversed ? It
will have a bearing on diagnosis.
RJ
Steve Gaarder wrote:
My E15 is having problems. When I try to run the motor (in
neutral) it shudders in the lowest speed and spins very fast in
the higher speeds, drawing lots of current. Sounds like no power
to the field, right? I disconnected the armature (at the
resistors) for sanity, measured the voltage at the field
terminals, and see full battery voltage. The in-circuit
resistance of the field terminals is 31 ohms. Do I have an open
or partially open field coil? Anything else it could be?
Where's the best place to get a replacement motor, or is it
worth having it rewound?
thanks,
Steve Gaarder
_______________________________________________
Elec-trak mailing list
Elec-trak cosmos phy tufts edu
https://cosmos.phy.tufts.edu/mailman/listinfo.cgi/elec-trak