Have a feeling mine won't make it... Thanks!
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The manual https://www.lionelsupport.com/...ents/72-8029-250.pdf
NOTE: Your Big Boy is designed to operate on minimum 0-72 radius track.
Vernon, I know you meant 0-72 curve not radius.
@romiller49 posted:Vernon, I know you meant 0-72 curve not radius.
That was verbatim copy and paste from the manual.
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If you want to troubleshoot Lionel and their manual- by all means, just don't shoot the messenger. 
I think you could poke holes in how they used "O-72 gauge" as well.
And yes, likely it was intending diameter.
Something got lost in the translation to/from Chinese. 
Vernon, I certainly meant no harm.
@romiller49 posted:Vernon, I certainly meant no harm.
I know you didn't and my poor attempt at humor didn't really come out right.
Thanks guys...
Jeff,
Mine negotiates O-72 track fine, but the tender struggles (i.e. derails) on Super Snap O-72 switches at slower speeds. The wheel configuration just can't handle that size switch too well.
Dennis
@MainLine Steam posted:Something got lost in the translation to/from Chinese.
Lionel has struggled with wording, terminology, and accuracy in its manuals, for decades.
No matter where they placed the business, or when, and no matter if they generated the content in house or subcontracted it out, Lionel has the ultimate responsibility for ensuring that these are correct.
The buck stops at someone's desk in Concord, or in Mt. Clemens before that.
No need to go anywhere overseas.
Mike
