I see now that Lionel will be producing scale lenght U.P. Excursion cars. My two questions are.....are scale wheels available from any sources that match the axle diameter of the Lionel trucks? Also, on the sound cars...will they only function properly on AC current? If so, does anyone make a simple inverter circuit to create 60hz while maintaining the same voltage (as opposed to step-up inverters)? Or would it simply be more practical to just scrap the electronics?
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