One other thing that I don't think had been mentioned was that of
knuckle "gathering range" or the side to side alignment of the couplers
when coupling up to standing cars, they can be off just a bit from
center spacing and it might make for more than one attempt to couple up.
I believe this issue caused a whole new wheel back to back measurement
to minimize the excess slop caused by the old NMRA code 125 wheels.
Guys, correct me if I'm wrong but didn't this lead to the developement
of the current code 110 NASG standards? Bud R.
Bud....
I think you are correct. Recollecting rumors of that era, it seems
to me that the side slop of the "new" (at that time) S scale standards was
exactly the same as the side slop of HO scale. So if Kadee HO couplers work
in HO, then they should work equally as well in S scale.
However, it is true that the gathering range of S couplers is greater than
the gathering
range of HO couplers. The basic cause of misaligned couplers, in my
experience,
is not the coupler itself, but the side slop of the axles between the
sideframes. Reduce or eliminate the axle side slop and the HO couplers work
just fine and there is no need for a greater gathering range.
I might also add that if you like logging and Shays, Heislers, skels, etc.,
you will probably find the HO coupler's size much more appealing. A
humongous coupler on logging
equipment looks very much out of place.
Remember: Ask any ten S guys which coupler they like best and you will get
twelve answers because two of them will change their minds before the tenth
person replies.
Cheers....Ed L.
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