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To make our multi-level concept work (and the "hideouts" accessable to the "skinny guy") we find we need our mainline to climb 15.5 inches over 15 linear feet. Thats 8.6 % Head end power ranges from early magnetraction thru MPC rubber tires to modern Williams etc. Consist limits will be ten feet except for our long-haul heavyweights which total 15 feet when a Presidential campaign car is tacked on. Our steel frame inter-modal cars are pretty heavy as are some of our unit trains (coal etc). ARE WE HEADED FOR TROUBLE, TRACTION OR OTHERWISE? Will a switched electromagnet serve as a "rolling stock brake" on that grade for up to four cars and a cab while the head end does a set-out? Aybody have a "spec" for such an electromagnet?? Or a better way to "set the brakes" before uncoupling the head end power and cars to be set out? If nobody has done this sort of thing or the requisite testing, we'll pause while I power up that stretch and do some experiments. Just trying to save time and not "re-invent the wheel". Thanks to all, especially YOU Big-boy. Joe
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