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Friend, this information of yours is very important, it makes all the difference in understanding. Maximum 36,000psi and stops burning when it exceeds this value. Could you provide the source of...

Yes I believe. The author made another .22 gun, but with flint... and in this arrangement it seems he couldn't achieve more than 2,500fps.

As soon as I do a test, I leave some of the powder on a plate on the table and observe. So I can observe the hygroscopic potential of each one and I discard the worst ones.

Today I watched a video on YouTube of a guy who made a .22 cal muzzleloader, with just an 18" barrel. It says in the video that he reached up to 3,200 fps with the lightest bullets.

Yes... some mixtures become more or less hygroscopic, dry powder has to be well packed, preferably with silica. I always prefer to make small batches to use within a month at most. I still have a...

Couldn't you use a sieve to put the powder in?

Magtech=CBC/Taurus.
CBC... Companhia Brasileira de Cartuchos.

Your formula didn't give me confidence. Are you really using ammonium nitrate? Do you know that it is very hygroscopic? You would make this powder very good if instead of ammonium nitrate, it was...

One thing at a time. First we find out how fast we can and then how fast accurately. Smokeless powder also faces these issues and to this day the development continues. Why should we end the issue...

25-20 ...I already said here that I would love to have that caliber! Make powder especially for him...press very thin discs, 2 or 3mm and very little water. This way I guarantee you can get up to...

Lags, good solution you adopted. Here I prefer eppendorf tubes with heavy loads. They are practical to use and guarantee accuracy.

The idea of ​​black powder pellets is a good one, it makes things much easier. The secret is to make the pellet with one or more holes. When the outer layer burns, its area decreases and therefore...

I'm sorry, this time the message was in my language. Thank you Mustang, for the translation.

Quanto mais clorato ou perclorato, mais forte será o pó.

Sugar is better than starch, but with sugar, it becomes very hygroscopic. It can't be stored. You can use pure nitrate, pure chlorate (or perchlorate) or mix nitrate with chlorate.

I will tell you my experience. I didn't do BP with chlorate. I added 10% chlorate to the ready-made BP. And this increased the speed by 30%. But it's the kind of thing that... do what I say, but...

All manufacturers that I know of use perchlorate...they avoid chlorate because of its instability. Perchlorate is very good, there was no waste, use it and you will see the difference.

Where is the biggest limitation? In the required volume or at the speed of BP burning?

I believe by volume. 9 parts + 8 parts + 2 parts

I know Sannadex as a powder made from sugar and chlorate. It is quite hygroscopic, if you use starch, it becomes less hygroscopic. Have you tested the crimson powder by adding the perchlorate? I...

I personally have never used 9mm, because I don't like the caliber, and mainly I don't like pistols. But I know they've already used it. Have you tried perchlorate powder with starch? 60-40 or...

That's it Joe, I think you get it!

Did you buff your powder? I believe that if you polish as much as Goes does, the measurements should match

Guys, you can't take your focus off ball and patch. High speed shooting will certainly be with conical and paper patch. The question here is not knowing what kills more. It's just a mental...

It's good to know that this calculator has some accuracy. I sometimes play with it and even doubt the results.