Hi I have a Hornby #BB-8051 3 rail O gauge electric that runs on DC I would like to convert it to run on AC. Would a small rectifier work. I appreciate any input.
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You could put a bridge rectifier in the locomotive the problem is that it would only run in one direction unless you add a DPDT switch. You could put the rectifier on the track feed from the transformer but, if you have any AC locomotives, they are not going to work.
Look here for a circuit you can use to control DC locomotives with an AC transformer and control direction:
https://ogrforum.com/...19#77734316000252819
Regards
Fred
