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I had an idea of using these to simulate track retarders in the hump yard. Does anyone know, if these are used, since the cars weight is mostly steel inside them, turning the magnets on and off, would it slow down the cars to simulate the retarders? No-one makes scale track retarders. And no-one wants to even help suggest to build retarders using compressed air. I had the idea of using the Delaire compression system, but even DelAire hasn't answered my email on that. Thanks in advance. -Wolv33 CEO Midwestern Double-line Railroad http://members.fortunecity.co.uk/wolv33/mwdlrr.html
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