NW-Mailing-List Digest, Driver quartering?

[NW Mailing List]

/"they had trouble setting the valves --- or possibly performing some 
similar type work -- until someone (from "headquarters") belatedly 
informed them that the PRR engines had LEFT HAND lead." /

Which begs the question, why would it matter which side is in the lead?

/"For engineering reasons, the side that has the lead pounds the rail 
the hardest."/

Why would the side that leads pound the rail hardest?


Jimmy Lisle
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