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train lenght vs curves
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Let me start again. We have an around the cellar layout; 4 scale miles. We easily run 90 car freights on very gentle curves. We have nicely weighted cars, metal wheels, good couplers (mostly Kadees, not junk stuff) excellent motive power (again, not junk). We would like to deviate from our 2 loops around with a large expansion. This is what we plan and my question to everyone. We would like to have a curve of 10' diameter on a 1% grade and the curve would approach about 200 degrees, more than double back on itself. We want to be able to continue to run large freights. However, we're concerned about the lateral forces and are very concerned about "shoestringing" a long freight. I suppose mid-train helpers might be the answer, but we were wondering if anyone has dealt with such a situation and how many cars can be run successfully on such a curve without difficulty. <br />Thank you very much.
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