John,
Do you have a "feel" for the relative volume or "packing" of the three 4350s?
Just curious if the key might be on the "the amount of powder that will burn" as controlled by the available oxygen...
Smokeless powder carries its own oxygen.
Enough for complete consumption Mathman?
I dont know the formulas off hand and it's been a while since I played with stochiomitry.
Following up on bits and pieces from another thread