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Joined: Dec 2001
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Drew;
I got my figures mixed up on that 32 grain Schultz. The 36 grain you posted is correct. I still highly suspect that in 1907 the 42 grain would have been the one.
Technically a dram is 1/16 of an ounce or 27.34 grains. black powder measuring cups were pretty well standardized at .115 cuIn per dram. The early "Bulk Smokeless" powders such as Schultz were developed to be loaded to the same "Measure" (Not weight) as black. Thus was born dram equivalent.
A 3 dram load of black weighs 82 grains. The same volume of Schultz weighs 42 grains, thus the reference to it being a 42 grain powder.
Dense Smokeless powders, such as Ballistite, Infallible Etc were to be loaded by grain weight & "NOT" by a black powder measure. A dram equivalent was often stated on these as well but only meant that that many grains of the powder would approximately equal the specified number of drams of Black in power.
Thus if 24 grains of Infallible was said to be a 3 DE load it still meant you were to weigh out 24 grains. It was not intended to be loaded to a 3 dram weight or by a 3 dram black powder measure as was the bulk powders. It was purely a reference as to expected velocity.
A lot of folks who had been loading the bulk got confused on this & blew up some good guns in the process, most of which were blamed on those "Damascus" barrels, but it wasn't Damascus' fault, it was just a good kicking post for one's own stupidity.


Miller/TN
I Didn't Say Everything I Said, Yogi Berra
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2-piper, you have hit the nail square upon the head: "It was purely a reference as to expected velocity." Let's leave it @ that.

Kind Regards,

Raimey
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Originally Posted By: ellenbr
2-piper, you have hit the nail square upon the head: "It was purely a reference as to expected velocity." Let's leave it @ that.

Kind Regards,

Raimey
rse
"Where's the 'Ka-Boom' then?"


"The field is the touchstone of the man"..
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Oui, mon ami- those Frenchies sure love their can- even twice: can can, n'ces pas? Le Reynard!!

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Francis, what concoction are you partaking this am? The 'Ka-Boom' is the end result when you don't have your ps & qs proper and you load with Dram Eq. as mass like Dram.

Kind Regards,

Raimey
rse

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Thanks again Raimey; just what I was looking for.

20g
1.68 grams = 26 grains of a 33 grain bulk powder = 2 1/4 Dr. Eq.
21 grams = 3/4 oz. shot

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As always, glad to render aid. Hause, what is the associated velocity for two and quarter Dram Eq.?

Kind Regards,

Raimey
rse

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3/4 oz. 2 1/4 Dr. Eq. is also about 1200 fps.
Interesting that the 12g, 16g and 20g loads we have documented are all about 1200 fps.

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Just as I surmised. Also empirically I've found with muzzle loaders if you fancy being lethal you need to approach 1200 fps.

Wearing your top hat today?

Kind Regards,

Raimey

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Unfortunately, even we Sovereign Grace Missionary Baptists think we were founded by with that John fella on the other side of the Jordan, and Reformation Day is rarely mentioned frown And I look pretty funny in a Mortarboard smile

John Calvin was asked why he wore the funny hat while preaching:
"It's cold...and there are pigeons."

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