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Reply to "Williams 4000 Hudson (cab 5405) Does this have a smoke unit?"

One little problem with the Maxon Coreless motor they detail in their literature.  Virtually all the command stuff uses PWM for the motor drive.  I imagine that back-EMF would be minimal, so forget about ERR Cruise.

Your right choke and 20K + PWM.   The ERR board will do, probably no cruise.   Do you know the frequency of the PWM on the DCS boards ?   If high enough you might be able to cruise with a Tach.   I keep looking at H bridges on eBay and they have some that operate at 80K supposedly designed to play nice with coreless motors.   The HO crowd have DCC boards that do so.  I know one thing the DCDR and other non legacy Lionel boards don't get along at all with coreless.           j

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