Jim Coleman, Sr. wrote: > Hi all: > > In one Clinton country factory, all vertical piano shanks get tested in > a machine which rolls the shanks down an incline and at the bottom contrary > pressure is applied to the shanks as they roll so that any angular grain > shanks will break. There is a large box to collect all the shanks which fail > this test. In the case of the grand shanks, they are all given a drop test. > Those which have a certain thud sound are discarded. We called them rubber > shanks. They would make the tone dull. We didn't have a roll test for grand > shanks becuse they don't roll very well. Any obvious angular grain spotted > was thrown out. > > That's the way it was when I was there anyway. > > Jim Coleman, Sr. --------------------------------------------------------------------------- Jim, Not any more. In either case. -- ddf
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