And all the signs point towards heavy hammers: Replacement hammers carelessly prepped and installed, DW = 65, UW = 35. But you're right, I would want to see more measurements and analysis before changing my suspicion to a conclusion <G> On 9/7/2011 7:28 AM, Al Guecia/Allied PianoCraft wrote: > Absolutely Mike, if heavy hammers are indeed the problem. > > Al - > High Point, NC > > > > On Sep 7, 2011, at 8:01 AM, Mike Spalding wrote: > >> On 9/6/2011 3:11 PM, Douglas Gregg wrote: >>> Back to the issue of the repetition spring. I know that that does not >>> come into play with measuring down weight but it seems that it could >>> add to the heavy feel. Has anyone else thought about this design that >>> Baldwin uses. It seems to add a lot of pressure on the back of the >>> jack to keep the repetition lever loaded. >>> >>> Thanks >>> Doug Gregg >>> Classic Piano Doc >> Doug, >> >> I suspect the reason you are sensing a lot of spring force on the >> jack is that it has to be set very strong for the rep lever to >> support the heavy hammers. If you were to replace the hammers with >> ones that gave you a down weight in the 50 gram range, and regulated >> the rep springs appropriately, the jack spring would feel right. >> >> Mike >> >> >
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