user 36911
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4F powder
- Thread starter bud in pa
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I'm going to work up a 4f load for my .32 Cherokee. It works great for getting a dry ball out of the barrel too. It works so well, I take aim when I fire the clearing shot.
After the last Forum go round on 4F thought I’d take some measurements of a few of the powders I had on the shelf just for the heck of it. Numbers are from 30 piece samples. Not much difference size wise between old DuPont 4F and current Swiss 3F. Might explain why Swiss is known to be peppier than Goex. Believe the DuPont powder is from the 1960s.
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Here's the skinny - as I posted on another forum recently that had posters who were similarly flummoxed by the DIFFERENCE between Swiss powder grading, and Anglo-American powder grading.
This table shows the Swiss powder grades -
As you can clearly see - I hope - the Swiss grades go UP - the higher the number, the LARGER the grain size.
Anglo-American grades go DOWN - the higher the number, the SMALLER the grain size.
Quite why the Swiss and other European BP manufacturers use an ascending scale, is obvious.
They actually measure the physical size of the grain of powder and ascribe a value to it.
We Anglo-Americans measure the size of the MESH through which it passes.
This table shows the Swiss powder grades -
SHOOTING POWDER | |||
Type | Corns | Granulation | Main Use |
| per gram | (mm) | |
N°1 (4 Fg) | 10 000 - 15 000 | 0,250 - 0,500 | Smaller calibre percussion pistols & percussion revolvers |
N°2 (3 Fg) | 3 000 - 5 000 | 0,500 - 0,800 | Flintlock pistols, percussion pistols, revolvers & shotguns |
N° 3 (2 Fg) | 1 000 - 2 000 | 0,650 - 1,200 | Medium calibre rifles, larger calibre shotguns & small cannon |
N°4 (1 1/2 Fg) | 700 - 900 | 0,850 - 1,200 | Larger calibre muskets, percussion rifles |
N°5 (1 Fg) | 430 - 480 | 1,200 - 1,600 | Larger calibre shotguns and wild fowling |
As you can clearly see - I hope - the Swiss grades go UP - the higher the number, the LARGER the grain size.
Anglo-American grades go DOWN - the higher the number, the SMALLER the grain size.
Quite why the Swiss and other European BP manufacturers use an ascending scale, is obvious.
They actually measure the physical size of the grain of powder and ascribe a value to it.
We Anglo-Americans measure the size of the MESH through which it passes.
I cant believe the moderators havent put an end to this thread considering there was already 27 pages covering this debate.
user 36911
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I agree. Even though I couldn't resist posting in it.
Got my cigar, got my high ball, ready to enjoy my two friends Britsmoothy and Carbon 6 agree to disagree
user 36911
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And then there's the table from the Scheutzen web site for Swiss powder:
https://schuetzenpowder.com/swiss-black-powder/
https://schuetzenpowder.com/swiss-black-powder/
A pint of porter and Britt and I will agree on everything.
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DU?
user 36911
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ALR.
No idea what DU is?
No idea what DU is?
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Why is it the name "Karen" comes to mind when viewing this thread?
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I have never understood this line of thought when it comes to discussion forums.
If you don't want to hear about it, simply don't read it.
Why is it you feel compelled that others who wish to discuss things you don't want to hear, be stifled in their conversation?
Honestly who gives a 4F
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Archer 756
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This subject is getting like our Governent- Joined
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Still waiting for any evidence using 4F as a main load has ever caused any harm to anyone or even any minor damage to a black powder firearm.
user 36911
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Still waiting for any evidence using 4F as a main load has ever caused any harm to anyone or even any minor damage to a black powder firearm.
Why? Would you stop using 4F as a main charge is someone showed you or do you just like whine?
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