On 6/4/09, Greg Newell <gnewell at ameritech.net> wrote: > Bryn, > > You might be right about the low stress but, where did it > come from in the first place? Seems there is some stress somewhere that > caused it, no? just a guess or two... a. It looks like that area's paint was touched up at the factory (like to cover up a crack?). The touch-up is very crude, doesn't match and the piano has suffered from embarrassment-caused low self-esteem ever since and finally "cracked" under that stress. ? b. It may have been the manufacturer's first foray into full plates at the turn of the last century and they just added the upper part of the casting to the old 3/4 plate mold but didn't quite get the cooling/annealing process quite right leaving internal stress at that corner. -- anOn
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