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Thanks for addressing my topic. That is interesting about the first few threads determining the tensile strength of the tang. (the amount of "pull strength" of the tang) In any event, tensile strength is not going to be an issue for the soldier or marine.
Yield strength is more important to the user. How much can the bayonet bend before permanent damage, or breakage. If you were to place the M9 bayonet between two cement blocks and applied weight to the cross guard, how much weight would have to be applied to permanently bend or break the bayonet? In the bayonet trials used to select the M9, it had to withstand a dead lift of 400 pounds without developing a permanent set. The Phrobis passed, but I wonder how much weight it would take to damage the bayonet...and which bayonet system, long tang or short, would take the most weight. That's the ultimate question I'm asking. Which one is strongest?
As for the short tang M9 bayonet being lighter, how can that be when the fat round tang used in the short tang M9 probably weighs more than the tang of the long tang M9? I'd be curious, if you have both bayonets, if you could weigh them and see which one weighs more?
In regard to which bayonet I used in the pictures, I was comparing the two USMC versions of the M9, since it was the Marines that ordered the long tang version for testing. They must have liked the long tang since they adopted the OKC3S.
I did not mention the Phrobis name in my first text as you suggest, however, I probably should not have posted the text in the Phrobis M9 section of the forum. I did that because the original design of the MPBS M9 was "Phrobis", and that ultimately is the system that is "on trial" here. Thanks again for the response.
Marv
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