---------------------- multipart/alternative attachment In a message dated 12/19/2002 10:38:54 PM Pacific Standard Time, sbellieu@mindspring.com writes: Steve > I get it and Yes I meant .05 or 1/2 degree. The .05 in the > tenor in the strung condition isn't bad if the board rises whent he strings > come off. In this scenario reducing the bass bearing might distribute the > overall bearing balance between the bass and tenor but to do that you'll > have to recap the bass bridge at a lowere elevation and possibly cap the > tenor at a higher one but all this is going to be relevant to the amount of > crown availably. If the board really is flat it should'nt be carrying that > much bearing any way IMHO. Dale Erwin > Dale Erwin wrote: > Could you share how it is you're measuring 1.5 degrees of bearing on the > bass and with what. If the rear string length was 8 inches( possible on a > D) 8 Times .026=.208 or (1.5 degrees) of distance bearing . Considering > this bass bridge has no cantilever I don't mind seeing this at the top end > of the bridge but I'd like to see .05 degrres in the mono > section........................ > > Dale, All measurements referred to so far were from the strung piano. > Individual strings were removed and thread/gap measurements were taken. I > was conservative in the bass and subtracted for the twisted part of the > string riding on the hump. Note # 3 showed 1.3 deg, note # 10 showed 1.7 > deg, and note # 19 showed 1.3 deg. Inverse tangent of (gap/rear length). > Did you mean to write .5 deg in stead of .05 ? Just for giggles I > checked one of the previously measured tenor bridge strings in the middle > of the overstrung section after the bass strings were off. (The following > day) It came up from .06 deg to .5 deg. > > ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/4c/81/ed/46/attachment.htm ---------------------- multipart/alternative attachment--
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