I’ve had my Lionel trains for 15 years, but only run them at Christmas. I’m running 4 trains now and they are quite loud so I want to run them as slow as I can. I’m worried that running them on such a low voltage will burn out the motors. I’ve spent 40 years as an electrician and have replaced many motors from low voltage burn out although I understand that there are motors that can run on low voltage. I’m assuming that since the variable speed is achieved by lowering the voltage that these motors are designed to be able to run slow, but I want to be sure. So has anyone burned up a motor from running it slow?