Ron: I just want to revisit this for a moment. Do you mean your typical load is 900lbs? And if so, what kind of deflection are you building your ribs for, i.e. what percentage of the original crown do you figure is remaining after the board is loaded? David Love davidlovepianos at comcast.net -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of Ron Nossaman Sent: Saturday, February 18, 2006 9:27 AM To: Pianotech List Subject: Re: laminated ribs > Ron, Terry > OK ....The laminated rib compared to a solid rib . Here's another > point of view. > Ok Now I,m confused. If were only trying to support only 400 to 600 > lbs. of down bearing force as Del inferred recently or whatever one > calculates this to be, then what's all the fuss about. My loading of new boards these days is typically half again over 600 lbs.
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