<soapbox>
check gauge! check gauge! check gauge!
Back to Back is a derived dimension.
</soapbox>


On Aug 8, 2011, at 8:56 PM, raisinone wrote:

> You can't change one dimension and not take the others into  
> consideration.  If you simply mount a code 88 wheel using the  
> current SHS (NASG/NMRA Standard) 0.800 back to back for a code 110  
> wheel, you will probably have a bad day.  The wheel set will run a  
> high risk of falling between the rails!  The manufactured code 88  
> (or P64) wheel sets have a wider back to back, 0.824 in the  
> standards.  This insures the wheel set "gauge" will always be  
> greater than the track gauge.

Talmadge C 'TC' Carr
Sn42 and Hn42 somewhere in the wilds of the Pacific Northwest
[email protected]





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