|View single post by Si.|
|Posted: Tue Dec 19th, 2017 06:45 pm||
|" Go and read paragraph 5 of RP25 out loud.
Then, if you understand just a bit of dynamics,
give a reason why that small centering force can compensate the drag of a e.g. Standard H0 coupler "
Oh well looks like the N.M.R.A. don't know their monkey-railroading from mechanics.
I've mailed them with your corrected spec. Helmut.
- - - - - - -
Other than that ...
... it seems to ME that the RP25 coning in small-scales is actually VERY important indeed !
I haven't ever noticed any "drag" from a properly installed HO Kadee.
There is of course somewhat of a "dynamic" difference ...
... between a speeding express train of 40' boxcars ...
... and a clunkin' funkin' On30 Porter with a few 4-wheelers !
' Mysterious Moose Mountain ' - 1:35n2 - pt.II
' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout