Andre,  your input reminds me of a story (not sure if it's true) of the 
MKT (during some dark financial times--70's) putting a boxcar on a 
siding for unloading and coming back to find the car on the ground.  The 
car was heavy enough and the ties poor enough the spikes just pulled out 
and the rail turned over.  A few MKT fans got teased.

Bob Werre



Andre Ming wrote:

> > "S"peaking of ties, my son-in-law, a retired SP/UP engineer, told me
> > that track is still safe (at slow speeds) even if only one tie out of
> > five remains. In other words, if four ties out of five were removed,
> > the train could still pass over it safely. Deliberately over engineered
> > to provide a margin of safety. Interesting, eh?....Ed L.
>
> FWIW:
>
>
> All that truly supports a railroad is wood: The ties. Once those are 
> going
> south, problems begin. Rails begin to sag into throat-cut/blown-out ties,
> rail begins to spread, cross-level goes to crap, as does alignment. Good
> ties and good rock can prolong the life of the rail many fold. 
> Railroading
> over crappy track is stressful to be sure.
>
> Andre Ming
>
>  




[Non-text portions of this message have been removed]



 
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