Unless there has been a change in process the assembly is also dried down prior to being glued in the rim. ddf Delwin D Fandrich Piano Design & Fabrication 6939 Foothill Court SW, Olympia, Washington 98512 USA Phone 360.515.0119 Cell 360.388.6525 del at fandrichpiano.com ddfandrich at gmail.com -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of Ron Nossaman Sent: Thursday, July 14, 2011 2:22 PM To: pianotech at ptg.org Subject: Re: [pianotech] Measuring Crown Radius On 7/14/2011 4:07 PM, John Delacour wrote: > Before I go on, is that roughly what takes place? Please tell me if > I've got things wrong. > > JD In CC crowning, the panel is dried down, then glued to flat ribs. Panel expansion as it takes on moisture then bends the ribs into a crown. The piano case isn't involved in the process, and the ribs needn't necessarily be dried down. Ron N
This PTG archive page provided courtesy of Moy Piano Service, LLC