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Shoot, DD, you played right into his hands:rolleyes::rolleyes:

But to forget about the tongue in cheek.
The more you do Kathy's way the more consistent you will get. Jack basically does it...

Jack,
Without rereading what he's suggesting...I believe he is twisting to 10% then setting the torque...for "extra energy"....(The Devil made me put this in!!!):wink::wink:

DD why are you after...

I do not DD. At least what you are thinking of. It will be interesting to see what others have to say.

You said..."Seems there is a generally accepted standard as to 10% length reduction and then...

When will breakage occur?