doublegunshop.com - home Forums General Discussion DoubleGun BBS @ doublegunshop.com What made it blow up game. Care to play?

12brd - nice to have a definitive answer, and thanks for sharing.
It would be informative to know the wall thicknesses at the burst, and which trap load, if you could please ask the owner. Pressures at that point are probably < 1000 psi

1 1/8 oz at 1200 fps



That is called "brittle cleavage" (which does NOT mean the metal is brittle) in that there is little plastic deformation. A damascus barrel with a much lower yield strength will "stretch" before bursting, if the wall does not fracture along a weld.

Part of this burst appears to be along the ribband edge weld

In this case though, would the pressure in the area have exceeded what was expected to be normal when the second shell was fired into the obstruction? I�d also guess that if the wad only made it to the end of the forearm, it was probably just being pushed by the primer and there may have been a full charge of unburned powder between the wad and the following shell that was fired, if only the shot was emptied from the test hulls. Maybe.

Visual analysis is quite interesting to me and there are usually more clues than first observed. Some mentioned lack of a bulge ring to indicate an obstruction. Yet there is a large section missing between the fore and aft ends of the rupture point. If you look again at the second picture from the OP, the top rib has tracks left from the exiting metal. The exact rumpture point can be easily seen as well as the direction of the departing pieces.

John

I dated a girl once that had that...

Really Drew???... you want my opinion? When I provided my opinion in the original Southern Barrel Burst thread, you launched yet another of your virtuous personal attacks claiming that such an opinion without proper metallurgical analysis and barrel wall thickness measurement tools( in an area where such measurement is impossible without destroying the barrels) is irresponsible.

Shortly after that, you did your utmost to avoid admitting that my opinion closely mirrored the opinion of Dewey Vicknair, that you subsequently posted... save the part about "burned steel".

But that's OK because we should all know by now that when you attack me or jOe, it is good, and righteous, and virtuous, but if we respond to your personal attacks, it is cowardly, and indicates that we lack cajones.

I do note with some satisfaction that several of the guys who guessed the cause of this burst were pretty much correct, but our self-styled shotgun barrel guru was wrong again.

And where have we heard this before???



Why, we heard it from you Preacher... a number of times... before you returned with even more of your righteous and virtuous personal attacks. I guess there is no reason to trust or believe you now. In fact, didn't this fun little game begin when you started it all with your "Down One" thread where you personally attacked me, James M., and Dave K? I'm still confused why you found it so offensive that we used the term "LIBTARDS" to describe some of your pals who support anti-gun Democrats. You whined and cried that such a term is hurtful to parents of retarded children. Yet you never said a word when your pals such as Dr. Wanker or Last Dollar frequently used the actual word "RETARD" to describe Conservatives or Pro Gun Republicans. I've asked you to explain this hypocrisy several times now, but I guess you lack the "cajones" to give us an honest answer.

Dr Wanker using Re-Tard - post #500440


And remember when you used this as your tag line?

"Personal attacks only reflect the inadequacy of the argument, and the character of the attacker."

It was funny to see you change that tag-line after getting caught violating your own preaching.