Sounds like the hammer rail needs some stiffening a la Jon Page's instructions. Andrew Anderson At 05:38 PM 3/14/2007, you wrote: >Hi folks > >I ran into a symptom I haven't identified before. I was bedding an >older Steinway D today, and made sure all three rails were good and >done in the right order... yet I was still getting too much hammer >bounce in the bass section on a hard blow. The rest of the piano >was just fine... just the bass section had this problem. Started >troubleshooting by first lifting the whippen up with my finger and >hitting the key hard to see if there was any bounce... nope.. Then >I lifted the hammer with a shank hook and hit the key hard... still >no bounce.... Then I noticed that when I lowered the shank enough >for the back check to make contact with the hammer tail... the >neighboring hammers started to bounce. When I let the hammer go >into full check the full effect of neighboring bounce kicked in. > >I haven't managed to pounce out what the cure for this is. Checking >distance is 15 mm... action is reasonably well regulated... drop is >a bit deep but letoff, dip and aftertouch amounts are all well >within good tolerances. > >Any advice on the matter is of course very welcome. > >Cheers >RicB
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