Originally Posted by AJ Peacock
He discusses both measuring difficulties as well as brass hardening in the article. I was very impressed with the article and it changed the way I did things. I'll be interested to find out what your impression of the information is.
Ok, so, if you would, please explain the velocity idea. I'm not sure I understand. Are you looking for a jump from what listed velocities are, or are you looking for a sudden increase as you work a load up? I've never heard of looking at velocities for pressure signs.