Cool,but do not forget that the top is 11500 psi.And who are the others?And why are they better than I? Also why not ask the dark side Chuck H if the strain gauge works.I think that he has just a little experience in this matter.If not, do not fly.And if you read my previous post ,I did not compare to the any thing ,but to the company who made the shotshells. And, how do you know the real ability of others? What does Mr.Armburst have to say on this matter?I agree that he is an expert on this matter and a nice person.However, I have had just a little bit of training at UVA and have just a little bit of physics training.Which does not make me a know-it all;just a some-what of an informed idiot.