> > Are U-joint drives preferred over the pen springs
> > Will Quinn
> Why not just experiment with the AM pen springs and the ball/socket
> connectors (NWSL) and see which provides the best performance?
> Matt Hogan
If you really want to seriously compare the two, I would suggest a test drive
with a heavily loaded train being pulled up a grade. Lots of cars or fewer
hopper/gondola cars filled with sand. With a heavy load, the differences
between the two will become quite apparent. Running the loco by itself or with
a light load will not necessarily illustrate any difference at all. Let us
know what you discover. Ed Loizeaux
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