Swiss vs. Triple 7

[9245]

I have read previously that Swiss black powder and Triple 7 are nearly identical in velocity and both are about a third more thsn Goex and Pyrodex, is that correct?

Can Triple 7 and Swiss be used interchangeably with the same velocity expected?

What granulation of Swiss would then be equivalent to Triple 7 FFFG?  I'm confused because Swiss also has 0b.  Normally FFFFG is for priming only, but if that is the case what is 0b used for?  To add to the confusion the label on Swiss FFFG shows rifles while FFFFG shows pistols.  So is it that Swiss FFFFG is actually intended for pistols while 0b is intended for priming?  If so, how does Swiss FFFFG compare to Triple 7 FFFG?  Can Swiss FFFFG safely be used in lieu of FFFG? 

[Cap'n Redneck]

Firstly; I have zero experience with Pyrodex or Triple 7.  I won't touch that stuff.

Secondly; I DO have years of experience with Swiss blackpowder and the German WANO brand.

Swiss is considered to be 15% stronger than Goex.

"Olde Eynsford" might be the closest domestic blackpowder to Swiss.

I'd say Swiss 0b is for priming flintlocks when competing at "olympic" levels.
Us normal folks use Swiss 4Fg for priming. 
I know some of the serious target shooters also use Swiss 4Fg as a main charge in smallbore (.32" to .38" cal.) percussion and flintlock target pistols.

Don't get hung up in the "rifles" versus "pistols" logo on the labels.

Generally 3Fg is for pistols/revolvers/shotguns, and 2Fg is for long guns.

But 2Fg and 3Fg will interchange without any hazard.  In todays marketplace with shortages everywhere, get what granulation is available out there.

(an additional problem with using 4Fg or 0b priming powder in a percussion revolver cylinder is that some of the powder might spill out through the hole in the nipple.)

Finally, to add to the confusion:

Swiss Blackpowder have (or used to have) their own unique numbering on the powder cans:

#5 was "Cannon grade"
#4 was "1,5 Fg" (much used in "buffalo rifles", muskets & military high capacity cases.)
#3 was "2 Fg"   (with the rifle label)
#2 was "3 Fg"   (with the pistol label)
#1 was "4 Fg"   (flintlock priming powder)
#0b was "super-fine" flintlock priming powder.

Since this numbering was contrary to US "Fg numbering" they might have discontinued that practice in the US market.