I saw a tech that did upright hammers like a grand. He salvaged the old butts by drilling them out, glued new shanks into the butts, drilled the hammers all the way through the moulding, spun them on the shanks and aligned the strike points with a string line in the piano and cut the excess shank off when dry. Mike John Delacour wrote: > At 9:53 am -0500 20/12/06, A440A at aol.com wrote: > >> JD writes: >> >> << I've never heard of or seen anyone do that. The normal way to >> provide an escape for the glue is to score a line down the top of >> the shank for 15mm or so, but even that is not necessary if the >> knurling provides an escape route. >> >> >> The "normal" way I have always seen is to have a pinhole through >> the hammer core, directly above the boring, so that when fitting the >> hammer over wet glue, there is an escape vent for the air trapped by >> the hammer fit. > > Well perhaps that's the normal way in America but it never has been in > Europe. First you have to make the hole and then you have to wipe off > the exuded glue and you're still left with a pinhole. I don't see the > point. With the European method the glue escapes and joins the glue > under the hammer which is going to stay there and that's that. > > JD > > >
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