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[quote]QUOTE: Originally posted by Railroading_Brit This sounds like a problem with the wheel quartering - one or more wheels aren't set properly. The cranks on one side need to be set at exactly 90 degrees to the ones on the other side. I've had Bachmann steamers which did this (mine waddled from side to side and lurched on curves) until I tweaked the quartering - it now runs as smooth as silk. I think it's supposed to be set with the right hand crank 90 degrees "ahead" of the left hand one - mine are set up that way anyway. Hope this helps! [/quote] I'll put my money on Matt's theory. Well, that's the first place to look. And I'm sure the bent screw causes it's own problems. I had taken a steam loco apart before and had to play with the drivers to get them into the correct position to get it to run right. Northwest Short Line makes a tool called the [url="http://www.nwsl.com/Products/Tools/Quarterer.htm"]Quarterer[/url]. It helps set the wheels square and proper setting of the crank pins. Technically you wouldn't be buying it for the Hogwart. It's a tool purchase to be used with all steam locomotives. Heck, just tell her it's for the car. Chip, if you disconnect the motor from the gear box and roll the loco accross a sheet of glass or mirror, do the wheels move or bind? If it binds, disconnect the crank arm and test again. If it still binds check the gears. Do the wheels wobble? If so, maybe the wheels are not mounted square to the axle or the axle is bent or the wheel itself.
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