Bob,
I also found out that the rolling qualities of the needle point axles
can cause problems despite all the good things they have brought to
modeling. I had designed my layout with many grades that were tested
with the older Ace or Northeastern trucks. In a couple of places I have
sidings located on grades where the older trucks held just fine. Enter
the AM freight trucks, followed by Pacific Rail's fine trucks and then
SHS's versions. Holding a few cars on a siding required a brass car
with poor rolling qualities to hold the string in the siding. I've read
stories of the 1:1 guys chaining down cars to prevent run-a-ways, so
they had their problems too.
I have mentioned before that my trainroom is sitting on the somewhat
flexible, always moving Texas gumbo earth. Just yesterday I used an
automotive jack to raise a small area in my main yard. I was having
cars slowly drift out of a siding into a switch--and that area was
supposed to be flat. So I dropped one area by about 1/8 inch and raised
another by about that much. Problem solved until soil conditions change
again. Hey this is just like a real railroad!
Bob Werre
PhotoTraxx
Rolling qualities, while superb, do not quite approach that of some
of the newer trucks on the market, but, on the other hand, a sneeze from
a visiting train master won't send cars catapulting off the end of the
track, either.
Also, a little stiffer rolling qualities virtually (no, "completely")
eliminates any false uncoupling with the craft magnet uncouplers I use,
which can happen with freer rolling trucks when uncoupling magnets
attract them and create slack in the couplers.
I have some needle point journal trucks that I have replaced for this
reason, but may equip them as described and put them back in service.
Bob Nicholson __________________________________________________
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