Sarah Fox wrote: >Hi Ric, Jon, whomever, > >A related question for you, sort of... > >I'm about to start evening out the SW on a new set of hammers (nice ones! >:-) I've measured out all the starting strike weights on a centigram >balance and entered them in an excel spreadsheet. The curve is pretty >linear. I only need to adjust out the jags. I did a linear regression >analysis to find the best fit to the line. I need to remove as much as .45g >and add as much as .60g (mostly just above the bass/tenor break). What's >the best way to do this? > > > IMHO the best way to add weight is to add lead ala David Stanwood keeping as close to the center og gravity line as you can. Taking off weight is usually done by carefull sanding of the tail sides and front being sure not to alter the striking width of the hammer felt. The numbers you cite are easy to accomplish. >I presume the jags are mostly from slight irregularities in hammer width, so >is the best way to remove weight to thin the hammer slightly on the sides? > >Is the best way to add weight to add something like epoxy or lead? If lead >is the way to go, is it feasible to press small bits of solid-core solder >into a drilled hole in the molding? > >Any advice would be greatly appreciated. > >Thanks! > >Peace, >Sarah > > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives > > >
This PTG archive page provided courtesy of Moy Piano Service, LLC