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Hornby Pendolino derailing

12829 Views 18 Replies 8 Participants Last post by  dwb
We got my son a Virgin Pendolino set for Christmas. It's all wonderful except for one thing - it appears that the rear bogie of the power car keeps derailing. It usually happens on points, sometimes (depending on direction) at low speed, even a crawl. I've been experimenting this morning with inclines for a future layout, and it also would go on the uphill round a 2nd radius bend (not sure of precise angle, but I'd guestimate 2 degrees, and it would happen at a constant angle as opposed to a change in elevation at either end). On several occasions it would derail on a simple (if relatively abrupt) stop! No other wheel assemblies seem to cause a problem, just this one.

Fiddling with it, the rear bogie just seems less free than any of the other wheel assemblies, including the front of the power car. Might I have a defective unit? Or is there an adjustment that can be made? Obviously I'm not too keen on replacing the entire set if there is just one bogie issue, but what is the procedure for this sort of thing?
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The usual thing to check first is the distance between the backs of the wheels of the bogie that is derailing. I don't remember what the correct range is but you could compare it to bogies that are ok. If the distance between the backs of the wheels is out of range, there will be problems. Too small and the flanges will catch on the guide rails at points.

QUOTE (many household polish'es use silicone)
One of our plastic curtain tracks had become very difficult to slide. A quick blast with a furniture polish spray and it was transformed to an easy to use, gliding unit. I guess it was the silicone.

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