That describes pretty well how the manufacturers determine the burn rate of a powder and it's uses for them. Yes many things do change the burn and I'm not going to list them here.
That micrometer "instrument" is not playing solo, it's being played by a musician, the shooter/reloader. Like many musicians it can be played out of tune. Talking that there is a finesse to it's proper use that in this case a very minute calculation can really ruin your song!
That micrometer "instrument" is not playing solo, it's being played by a musician, the shooter/reloader. Like many musicians it can be played out of tune. Talking that there is a finesse to it's proper use that in this case a very minute calculation can really ruin your song!