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I just came across some stills from the high speed camera which I thought you might enjoy. My favorite picture is the one with the rods completely out of the chamber - you can see conical jets of (???) gas and the ends of the rods are red hot. 

The picture with all the fire is a typical four shell hit - the pressure was so high that it would routinely blow out the back of a shell casing. Based on the burn marks visible on the ball and bat, I think that this happened every time I tried four shells. I guess that means that I might have to go back and make that work... (but at that point the question immediately becomes why not 5 shells or 6?...)

In any case, I enjoyed these pictures and hope that you do too :)

- Shane

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Comments

David Allain

Killer stuff Shane. Keep up the good work! If you get back on this project, maybe you can try and make a goal of "hitting the stitches off the ball" like in sandlot. I wonder how much power that would take.

Daniel Schoonover

There would have to be some type of law of diminishing returns at some point...

Matthew-Hope Eland

I love how still the ball looks in these given the context.

S Douglas Sigman

Maybe you could get Destin to bring you his baseball cannon. But it does do a little more than hit the stitches off the ball - the ball basically disintegrates when it hits the target.

Bob Van Valzah

How about an array of shells (10? 20?) around the perimeter of a 4" or 5" diameter steel circle? With the right thickness in the steel, it would conform to the shape of the ball and transfer more of the shell's energy into it than is possible through a small point of contact like you have in a collision with a cylindrical bat. I guess this is sounding more like an exploding tennis racket than an exploding bat, but you're the man to build it and break records with it.