Re: What makes a locomotive "square?"

Russo Loco Wrote:
=======================================================
> Bruce, Tom et al -
>
> #484 has been 'out of square' to some extent for
> more than five years -
> see
> [ngdiscussion.net].
>
> I vaguely remember someone CONJECTURING that
> during one of her major overhauls
> a valve spool from a K-37 was used to replace one
> of #484's own spools that had been
> damaged, and that - even though the K-37's were
> "reverse engineered" from the K-36's
> - there is enough of a difference in these parts
> to cause a timing problem.
>
> - Russ


K28's, K36's & K-37's all use the same valve spools. There was an urban legend that 473 used to pull better than the other 2 470's because it had "K-37 Valves in it" Doesn't matter. They are all 11" piston valves.