Hi Craig,  I've just finished posting your great article 'The Hammer
Lift Rail in Reproducing Grands'. I'm pleased to have such a complete
and well written article at the site. It certainly explains some of the
finer points of how to go about adjusting the rail and why the hammer
weight is not relevent at all.  The article is at:

    http://www.player-care.com/liftrail.html

Many Thanks,

John A. Tuttle "Self-Playing Pianos"
http://www.Player-Care.com
407 19th Avenue,  Bricktown, NJ 08724