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Reply to "install ps1 in older lionel switcher"

Originally Posted by gg1man:

We have to remember that AC motors reverse direction by flipping the armature and field windings...

The motor in question is an AC/DC universal series wound motor.  With the addition of a rectifier to power either the field OR the brushes/armature, a universal motor also reverses with a change in polarity on DC.  The permanent magnets in a DC(can) motor simply take the place of a DC powered field.

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