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No, a permanent magnet just won't do......way too many unscheduled uncouplings. Kadee has the under roadbed permanent but same problem. I've got the Kadee electros but they are unsightly (but they really aren't that tough to install) and cannot be totally concealed[. I'm trying to modify the Kadee electro with limited success. [quote]QUOTE: Originally posted by jim22 I've got a between the rails permanent magnet which works on most of my cars - most have McHenry uncouplers. They are very touchy to adjust. Of course, the magnet is NOT concealed in any way. I've seen a picture of the under track permanent magnet, which looks like it could be concealed below the ballast. It's much wider, but I havn't tried it yet. The electro-magnet kit from kadee is more complicated than I imagined when I bought it. I havn't had the heart to cut a hole in my table to try it. I guess I envisioned the old Lionel decoupler, which was just a special track section. Maybe we could invent an in-car system. Maybe battery powered (to avoid pickups on the wheels) and activated by infared LEDs in the ballast, just like remote controls for TVs. Maybe with a dual coil soleniod under the car pulling/pushing on the coupler to open/close it. Could we patent this? Jim [/quote]
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