Homebrew Transformer Speed Control

GsyverstadOGR Forum Member

Hello everyone, I have a non functioning Lionel 40 Watt Powermax Transformer that I have disassembled and would like to tinker with. The transformer is still good and I have verified with a multimeter that it steps the voltage down to 18V AC. As for adding a simple speed control, is a universal motor control circuit like the one shown what I need to add? Or is there more going on with the AC wave that I need to be aware of. I am curious if anyone else has experimented with this. Thanks for the help.

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12/23/205:29 PM

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