JD wrote:
<The hammers I get from Abel are
<not concave at the top as they used to be and I think they face them
<up at the factory after cutting, which I am glad of.
Greetings,
I attended roger Jolly's voicing class at MARC. He spoke
about "cupped" shape hammers and how the cupping occurs as a result of the
cutter which cuts the whole hammer "brick"< (don't know if thats the right term)
into 88 hammers.
As I understand him, the cupping is an indicator that each
individual hammer has less stress/tension at its sides actually because the
cutting relieves the stress when they go into 88 separate pieces, thereby the
sides have less stress and the center has more. I understand this is what
produces the cup .
He further suggests a single needle penetrated all the way to the
core, directly along the center line of the hammer, 2 stitches or so, back
around the way lower shoulder, say 3 and 4 o'clock, to reduce the stress
which allviates the cup. (Roger if you see this, correct me if my
understanding of this is flawed)
If the cup is removed by "facing them up" at the factory, doesn't
this mask the reality that there is still the inner, tension through the
center and the sides have less tension? Wouldn't it "disguise" the hammer as not
needing "cup relief" needling, when it really does?
Julia
Reading, PA
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