><<"Since it takes (temperature considerations aside) a >change in length to produce a change in tension">> > >que??? >Jim Bryant (FL) Sorry, I implied some details I should have specified. In an existing piano, in the context of the discussion, what else besides a temperature change or a change in the length of a string segment or termination span will change the tension in the segment? Be it a turned tuning pin, bridge and soundboard movement, rendering across friction points, compressing plate, expanding universe, meandering pinblock, rolling bridge, little tiny smoke producing demons, really heavy fallboard knobs, or those darn pesky casters, and since the tension in any string segment is the direct result of the termination span being longer than the string segment, doesn't something have to change the string segment length or termination span to change the tension in the segment? That's what I mean, unless I overlooked something altogether. I was just trying to step back into the really basic cause and effect stuff. Ron N
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