Pickups for Bowser, Mantua, John English,&Varney steam locos

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Ray, a couple of questions: 1. where does one obtain the bronze you are using for the wipers?, 2. Where do you turn up the printed circuit board material? 3. I am assuming that by the way you used the colored wire you are using both sides of the loco and tender to pick up the dcc signal, respective to each side. And finally, have you noticed that your locomotive is maintaining good speed and pulling power? Also, Ray, thanks for the awesome pictures!


Thanks, Mark