Just curious...Ron, at one time you installedl CC soundboards? David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "Ron Nossaman" <rnossaman at cox.net> To: pianotech at ptg.org Received: 2/8/2010 7:43:25 AM Subject: Re: [pianotech] Hammer strike line. Was-----Yamaha Hammer Suggestion >David Love wrote: >> Suffice it to say that >> the modified strike line seems to be a requirement of cc >> boards and not pure RC&S boards, at least in my experience. >Mine too, which I found interesting, which is why I mentioned >it in the first place on the off chance that someone else >would also. >> One other comment, the RC&S boards that I'm doing are all >> calculated in terms of stiffness in each section of the >> piano (Ron has touched on that method in other threads on >> the subject) so there's no by the seat of the pants >> reckoning in terms of the rib dimensions. Pianos that are >> hybrid designs or where the stiffness of the board in >> different areas is done more by feel aren't part of my >> experience and are probably not good candidates for drawing >> conclusions from since the stiffness in each section can't >> be quantified in the same way. >Exactly. This is another fundamental point that seems to be >largely lost in the fog. This stuff is by intent, and in >considerable detail developed through a lot of hard work and >expense over a considerable number of invested hours of >uncompensated time. No one has all the answers in infinite >detail, but following the indications has certainly been >interesting. >Ron N
This PTG archive page provided courtesy of Moy Piano Service, LLC