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Rectifier Sizing

At our train club we have several display layouts that run modern locomotives, i.e. with DC can motors. The locomotives get a good work out and are often run continuously for 4 hours. At times the boards have failed and we are left with a shelf queen. The most recent one was an inexpensive Lionel Thomas locomotive. The motor is fine, the board is not. I would like to convert this locomotive and others to one way forward with the addition of a simple full bridge rectifier. Perhaps some 2 motor locomotives would be converted in the future. Can someone suggest an amperage rating that would be suitable? Is 3 amp enough or should I go with something bigger? Thanks for your help.

Don

Original Post

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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