Hello I'm new, Loco regear

Les Grenz <lesgrenz@...>

Greetings - I am new to this list. I model Colorado loosely in HOn3.
I do some loco repair primarily for myself. I would like to know if
anyone can refer me to a source for determining motor RPMs, gear
ratios, mph, etc. when remotoring. I see a lot of information in the
NWSL catalog but not specific formulas. Help anyone. Also are there
other sites which may specifically deal with these kind of things.


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