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Author Topic: blackpowder question  (Read 1498 times)

Taylor Kalashnikov

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blackpowder question
« on: July 15, 2017, 10:14:38 am »

 I was thinking about getting a conversion cylinder for on one  of my ..44 bp  revolvers, and I was wondering, can you fire magnum rounds through it, because the local bass pro doesn't have any .44 ammo that isn't magnum.
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Bill St. Clair

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Re: blackpowder question
« Reply #1 on: July 15, 2017, 10:29:23 am »

Depends on the revolver. I think the Ruger Old Army can handle smokeless powder (though I'm not sure), but many still require black powder loads for that cased ammo. If you decide to try it without knowing for sure, clamp the gun in place, get far back behind something solid, and pull the trigger with a string.
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FDD

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Re: blackpowder question
« Reply #2 on: July 15, 2017, 11:31:03 am »

I have been told, many years ago, that if you want to blow up a gun, go smokeless in  BP gun.
It is not just the cylinder, it is also the barrel too.
different metal use between BP, and smokeless guns
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Tahn L.

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Re: blackpowder question
« Reply #3 on: July 15, 2017, 01:13:39 pm »

I was thinking about getting a conversion cylinder for on one  of my ..44 bp  revolvers, and I was wondering, can you fire magnum rounds through it, because the local bass pro doesn't have any .44 ammo that isn't magnum.

"Most" of the conversion cylinders for the .44 bp revolvers, are actually designed for .45 cal LC. Use a "cowboy" load, works fine and NO, never magnums.

The traditional exchange rate for black powder to smokeless  is NEVER! BP burns (explodes)  slower and at much less power (pressure). Smokeless goes "Boom" ALL AT ONCE, with much greater power.
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Taylor Kalashnikov

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Re: blackpowder question
« Reply #4 on: July 15, 2017, 06:46:09 pm »

thanks guys, yall might have just saved me a hand LOL
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eyeon

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Re: blackpowder question
« Reply #5 on: July 16, 2017, 11:37:37 am »

The traditional exchange rate for black powder to smokeless  is NEVER! BP burns (explodes)  slower and at much less power (pressure). Smokeless goes "Boom" ALL AT ONCE, with much greater power.

Even more importantly, it's pressure sensitive; the more pressure it's under (and the hotter it is), the faster smokeless powder burns.  Black powder isn't nearly as sensitive.  That means that overloads of black powder mostly just make a bigger boom and more smoke; it actually takes work to overload a BP gun enough to damage it or you.  Overloads of smokeless very easily run away.

That's why, when working up smokeless loads and pushing the envelope, you have to be very careful.  With pressure testing equipment, it's very easy to see points where you increase the powder by 3% and suddenly the pressure spikes 20% or more.  Without pressure testing equipment (which is to say, probably all of us), the warning sign is more like you pull the trigger and your hand is suddenly not there.
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knobster

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Re: blackpowder question
« Reply #6 on: July 17, 2017, 07:06:40 am »

Looks like plenty of people have already weighed in.  Whew...

In my years of reloading I've learned to be extremely careful when approaching maximum smokeless powder loads.  Too much smokeless can destroy guns, hands, limbs, nearby shooters, puppy next door, etc.  A lot of people have spent a lot of hours using a lot of expensive equipment coming up with safe loads.

In my couple of years joining other men at civil war events I've learned you can load up blackpowder to make something go boom and if you want a bigger boom you simply dump more blackpowder.
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ZooT_aLLures

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Re: blackpowder question
« Reply #7 on: August 05, 2017, 11:43:22 pm »

"and I was wondering, can you fire magnum rounds through it"
Don't even think about that......stick to "Cowboy" loads.
Cap n' ball pistols are built for black powder, cowboy loads are designed to be safe in ancient pistols that may or may not have been built for black powder.
A look at the saami specs states that the .45 long colt(original .45 long colt pistols) creates 8500 psi of pressure, while the black powder loading "should" create about 12K PSI of pressure.

"The traditional exchange rate for black powder to smokeless  is NEVER! BP burns (explodes)  slower and at much less power (pressure). Smokeless goes "Boom" ALL AT ONCE, with much greater power."
Actually quite the opposite is true black powder is not progressive and booms and smokeless powder has a burn curve.
And riflemen that reload concoct smokeless loads to optimize this burn curve for their particular barrel length.
as proof of this I'll add:
There's 4 distinct granule sizes for black powder Fg to FFFFg, yet there's literally hundreds of different smokeless powders, all with different burn curves for different purposes.
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Tahn L.

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Re: blackpowder question
« Reply #8 on: August 06, 2017, 09:22:01 am »


"The traditional exchange rate for black powder to smokeless  is NEVER! BP burns (explodes)  slower and at much less power (pressure). Smokeless goes "Boom" ALL AT ONCE, with much greater power."
Actually quite the opposite is true black powder is not progressive and booms and smokeless powder has a burn curve.
Thanks Zoot, I will certainly trust your expertise over my 40 year old memory of what a gunsmith told me. I remember him saying the exchange rate was "never".

Welcome back!
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All human beings have two dogs within them. A good dog and an evil dog. The evil dog is always attacking and fighting the good dog. Which one wins?
The one you feed!
  Native American Story

Government is a meme, woven within a supporting memeplex.

Who ever frames the argument, kicks ass.

From MamaLiberty; "The Price of Liberty (is) self ownership, self control, integrity and non-aggression."

"The lust to control the lives and property of others is the root of all evil". MamaLiberty
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