Quote:
Originally Posted by Mikeinkaty
. . . Seem to me that it would be more efficient to have the last of the powder burn just as the bullet leaves the barrel. Just trying to learn.
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From your questions I think you're really gonna enjoy the handloading journey. With that in mind . . .
A powder that burns 100% just before the bullet leaves the barrel may not produce the lowest charge weight . . . the most accuracy . . . the lowest cost . . . the highest MV.
So if your definition of efficiency includes any of those, last-msec 100% burn may not be the parameter to maximize.
Not trying to argue with what you want to do . . . just want to make sure you don't go down a path that doesn't lead to where you really want to go.