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Originally Posted by john70t
I'm guessing it's a mix of regular powder plus a bit of new powder on steroids as a secondary reaction. Someone mentioned old powder can be unstable and explode the barrel: that it expands too quickly. Perhaps a new chemistry found a way to stabilize it or a faster-acting oxidator is used.
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Quote:
Originally Posted by flatbutt
Apparently bullet shape plays a large part in this but that's an incredible increase. I wonder what chamber pressure is?
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Agree with flatbutt - if they are using terms correctly, the 'bullet' it the thingy that comes out of the barrel. Powder mix may have something to do with it but the article specifically says bullet design (listed as "freedom seed" in the pic below):
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According to the team, the key for their P-51 is in the innovative design of the slug itself
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Joe
See Porsche run. Run, Porsche, Run:
`87 911 Carrera