I was reading over an old CVA manual today, trying to help someone with a question they had about a rifle and came across this chart. The chart compares the strength of Black Powder and Pyrodex. While I always considered Pyrodex a "little" stronger, I never considered it quite what his chart claims. Interesting figure is, look at 120 grains of Black Powder. They consider that equal to 96 grains of Pyrodex. I would have never guessed the difference was that much.

So my question is, do you agree or disagree? If so any chronograph data to back your points?