Posted by Absent Minded Farmer on November 22, 2013 at 08:43:25 from (68.114.237.14):
In Reply to: OT - Lionel train set posted by mkirsch on November 22, 2013 at 08:02:04:
It sounds like you have a reverse loop in your track setup & the switch you are using is not set up with an open frog. An example of a reverse loop would be a balloon track. If you were to start off with a section of straight track, put a switch on the end of it & loop the track around from one switch point to the other, that creates a simple reverse loop i.e. your + & - are going the right way until they get turned around returning to the switch where they encounter - & +. You would either need to eliminate the reverse loop or isolate, with track pin insulators, one complete section of track that receives it's power from a DPDT switch. That way, you have control over the polarity. Lionel & K-Line also made a (track) switch that is setup to route the power for you. You still have to insulate your balloon track, but power routing is far easier.
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