> The little flannel thread came off that tiny wire spring behind the hammer flange. I had that happen in in the low tenor area of a Kawai (just one note). -Rick Barber > Blubbering (double striking) hammers in a vertical are not all that = > uncommon, but today I found a cause that I don't remember seeing > before. > > It was a new Baldwin Hamilton studio sized piano. The customer was = > complaining that several notes in the low tenor area were not = > sustaining. When I got there I found that these few notes were double = > striking and sounding like they were blocking when played lightly. = > Actually anything up to a light/moderate keystroke. > > I checked the position of the let off rail and regulation in general. > So = > far things looked fine. Moving the key down slowly produced let off at > = > about 1/8" and there was sufficient key dip for plenty of after touch. > = > Back checking was fine. I went to the worst one and to satisfy my = > curiosity, cranked the button down to where let off was about 1/2". > This = > changed nothing. The hammer was still bouncing off the top of the > jack. = > Only on a very firm stroke would everything cycle through as it > should. = > Most of the piano was just fine. It was these few notes. > > Well, it only took about five minutes to figure it out, but it was a = > long five minutes with the customer watching. Anyone want to guess on = > this one?
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