I've done them both ways (fanned and original rib positions without significant compression) and haven't found a huge difference. Fanning the ribs seems to reduce resonances some (though it doesn't seem to eliminate them entirely), it also allows you to float the bass (which I didn't do on this project). The panel was ribbed at 6% (30%RH @ 85 degrees F) so it does have just a bit of compression. On some projects, you have to make choices. David Love davidlovepianos at comcast.net www.davidlovepianos.com -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of erwinspiano at aol.com Sent: Saturday, May 17, 2008 7:20 PM To: pianotech at ptg.org Subject: Re: Steinway O revisited David Since the original rib scale was originally designed to work in conjunction with panel compression stiffness are you concerned about any potential unwanted soundboard resonance's by retaining the original rib scale placement & same no. of ribs even though they are beefed up to support the entire crown load? Dale -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org <mailto:pianotech-bounces at ptg.org?> ] On Behalf Of David Love Sent: Saturday, May 17, 2008 11:16 AM To: 'Pianotech List' Subject: Steinway O revisited Here's a Steinway O with modifications: transition bridge (old style connection), cut-off, modified bass bridge sans cantilever, adjustable plate mounting system. Vertical hitches in the plate in the treble section (not pictured). Plate goes in today. David Love _____ Plan your next roadtrip with MapQuest.com <http://www.mapquest.com/?ncid=mpqmap00030000000004> : America's #1 Mapping Site. -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20080517/be8785b3/attachment.html
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