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Yes, clean the rails regularly. Also cleaned wheels on the P2K GP9 earlier this week. Spent some time on the layout last night (Wednesday) and the problem was MUCH better. The only thing that changed was the weather. We've gone from 40 and 50 degree days to 15 degrees yesterday. The basement is heated, of course, but was probably a bit cooler. Could this be related to expansion and contraction of metal (specifically parts of turnouts or even wheelsets)? Last night there were only two troublesome turnouts. Earlier in the week a half dozon or more were trouble spots. I have noticed, and this is probably related to angle of attack, that when one of the 4 axle units stalls in a turnout if I tap the truck that is NOT on the frog it often results in the loco coming back to life. Tapping on the truck on the frog has no effect. Checked wheelset guages with an NMRA guage last night. All are right on. Also checked weight. The P2K GP9 is HEAVIER that the Athearn SD9, but the six wheel truck Athearn rolls through ALL the turnouts with no hesitation whatsoever. Perhaps I should purchase a stable of six axle SDs and retire the four axle units, but that would be a cop out. <br /> <br />This reminds me of a situation in a radio station (used to be in broadcasting) 35 or 40 years ago. We had three Collins cartridge tape players. All the cardtirdges played in two of the machines but some would hang up in the third. Modifying the cartridges themselves helped, but finally figured out, after a year or more of trial and error, that a simple pressure roller adjustment on the one playback unit solved the problem. I WILL solve this turnout issue, but I welcome suggestions and wisdom from all of you. Obviously I'm not smart enough to have resolved this as yet. <br /> <br />Cheers, and Merry Christmas
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