Bill- Just curious how you are measuring downbearing, ? David Skolnik At 12:26 AM 10/4/2003 -0400, you wrote: >Dear List, > >I have a 110 -year-old B with a 35 year old board (NY: Camilleiri? A&C?), >with whose voicing I've hit the "wall". This is the main concert piano for >one of my summer music programs, and the piano lives over the winter in >the uninsulated concert shed. I believe (based on 8 years of taking care >of this piano) that I've hit on the best musical use of the resonance in >that board, but still the 5th and 6th octaves never balance satisfactorily >with the rest of the piano. (35 y.o. board & block, 15 y.o. stringing, and >6 years ago, I put new action parts - NY hammers. This summer I did sell >them Pianotek's turnbuckle brace.) > >Underneath, the crown has collapsed. I've got an M-shaped board: the >bridge has pressed a downwards ridge into the soundboard, all along the >treble bridge, except when the bass bridge stands behind it (between ribs >#2-5 counting from the bass corner). Here the long bridge has crown under >it, and it's the bass bridge which furrows the board. The board BTW, >doesn't show compression ridges. > >On top, there's respectable downbearing *and* front bearing throughout >(the only exception to front bearing is at the mid-treble break where >front bearing disappears, but downbearing is still respectable. > >Having listened to some fine new factory fresh Bs at Marlboro this summer, >this board's resonance needs to be better. Based on the crown readings, >I'd tend to say that we shouldn't expect anything better from this board. > >That judgement call aside, it's still interesting that things should look >so good from the top side. I know when a crown has reversed and bridges >have rolled that such a board can give false positives on downbearing. >But I would expect that to be accompanied by badly negative front bearing. >Which is not the case here. > >Bill Ballard RPT >NH Chapter, P.T.G. > >"Trust me, you've got all the equipment, You just need to read the manual" > ...........Reese Witherspoon in "Legally Blonde" >+++++++++++++++++++++ >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives
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