Reply to "Thinking about vintage atlas, rivarossi, ahm"

For medium to heavy service I recommend modifying the Atlas F9 drive for "sure footing".  As built the power trucks will rock up off the rail head under load due to it's high in the body truck mount.  John Armstrong wrote an excellent article in a 1970's/80's Issue of MR on sure footing the F9.  I don't have the reference but a search of this forum may reveal the issue with the article as it has been previously discussed here.

Last edited by Keystoned Ed
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