> I think in theory Ed and his friend might be right, however in a 
> practical sense a 'weak link' is often engineered into a product. 
<snip> It's made to be the weak link and 
> break rather than damaging expensive stuff!
> Bob Werre

Bob...That sounds like a neato' concept.  And, it could easily be 
applied to a model locomotive.  Pick the part you wish to be the 'weak 
link' and design it such that it breaks AFTER the wheels slip on the 
rails.  The end result is that SS wheels would not damage anything, the 
loco can pull more cars, the plating does not flake off, better 
appearance, near-identical cost, improved long term wear/durability, 
etc.  I just love being a 'sidewalk engineer' suggesting how to design 
a loco when I have never done it before.  I am sure the professionals 
cringe at the ideas presented by amateurs like me.

Cheers...Ed L.


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