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Post by toolman1951 on Oct 28, 2007 8:40:08 GMT -5
The battery power engine I'm working on has a 18-1/2" wheel to wheel span with two, one axle trucks. Can anyone tell me the minimum track radius that it run on without de-railing. The design doesn't allow for any articulating of the trucks because of being single axles. Articulating the trucks and they would kick one way or the other of course. There is probably enough slop to allow some side to side movement of the trucks but not much.
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Post by GoldenSpike53 on Oct 30, 2007 11:48:24 GMT -5
I'm not sure of the minimum radius, but you should basically consider your engine as having a single truck with 18½" between the axles. I would think that would take a pretty tight curve. We have several people in our club who have built small two-axle steam engines with about the same distance between wheels, and I'm sure they would operate on a 25-30 foot radius.
Good luck!
Dale
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Post by toolman1951 on Oct 30, 2007 12:45:20 GMT -5
Thanks for the input. Since that last post I have shortened up the wheel base to 14-1/2". Shouldn't have too much trouble now. I'm still at the stage where I can move things around. I'm already committed to this battery power engine but now I'm interested in the next one being a gas engine/hydrostatic transmission power engine.
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