Hi all! Having only had a close look at two N engines, and only one of them a steamer, I was wondering if something I noticed was common. The steamer is a model of the Jupiter (4-4-0 / American(?) type) from Bachmann. The moter itself is located in the tender and powers the drive wheels through a ball-socket rod connecting the engine + tender. Is this a common arrangement in N scale steam engines, or is it only in the smaller engine types? It tends to be a pain, because the metal block in the cab doesn't provide enough weight on the drive wheels for them to get good traction. Oh, the drive wheels do have rubber(?) rings.