How many grains in 1 lb of black powder ??

[mmarke]

In reloading for center-fire ammo, I recall that 1 pound of smokeless powder equals 7000 grains. Does the same hold true for black powder as well?? I was trying to gauge the number of shots to expect per pound of black powder, without the time and effort of dumping and measuring a can of FFg.

thanks

 

[redwing]

One pound is one pound, black powder or peanuts. One pound
in grains is 7,000.

Redwing :redthumb:

 

[lanedh]

One pound (16 ounces) avoirdupois dry weight equals 7000 grains equals 453.59 grams in the U. S Customary system..

 

[rayb]

Isn't the 7000 grains by weight , not the usual blackpowder units by volume???

A 70 gr black powder charge by volume may not weight 70 grains by weight... i think????

Smokeless charges are grains by weight, not by volume....

so you could measure a certain charge by volume,weigh it in grains on your smokeless reloading scale, then do the math for 7000 grains by weight...

Someone get me straight on this if i'm wrong



rayb

 

[Rebel]

Yes, we measure BP by volume, but a pound is still a pound, 16 oz.= 7000 grains.

 

[thomas]

Yes, a pound is a pound, one pound = 16 ounce = 7000 grains.

Thomas

 

[roundball]

A 70 gr black powder charge by volume may not weight 70 grains by weight... i think????

Smokeless charges are grains by weight, not by volume....

so you could measure a certain charge by volume,weigh it in grains on your smokeless reloading scale, then do the math for 7000 grains by weight...
rayb

You've got it!
:redthumb:

 

[Zonie]

I'm sure to be corrected if I'm wrong, but speaking about Black Powder being measured by volume, your absolutly right. That is the way we measure our charges.

There is actually a direct relationship here.
If you fill a 70 grain powder measure with Real FFg Black powder and then weigh it, it will be very close to 70 grains weight.
If you use FFFg, it will be slightly more.
In other words, if your measuring Real FFg Black Powder the weight and volume go hand in hand.

If everyone shot FFg Black Powder, we wouldn't have to answer a lot of posts about this volume/weight relationship.

The problem comes with powders like Pyrodex, 777, etc.
These powders are meant to be measured and used using the Black Powder Volume method but per cubic inch, they don't weigh the same amount as Black Powder.

This causes some folks to pour things like Pyrodex into a 70 grain powder measure and then they weigh it.
They get answers like 47 grains. Then they get to thinking their measuer is the wrong size.
What's happening here is that Pyrodex only weighs 2/3 of the weight of FFg Black Powder per cubic inch volume.

Pyrodex even makes the claim that you get 30% more shots per pound of powder than if you use black powder.

The reason for this is 47 grains of Pyrodex not only has the same volume as 70 grains of Black Powder, it also has the same amount of POWER as 70 grains of FFg, so if your loading one of the synthetic powders, just go by the old Black Powder Volume method and you'll be fine.

 

[crockett]

I agree with Zonie. I thought all the volume business got started with the black powder SUBSTITUTES. Not only are the various brands of substitutes different, different batches of the SAME BRAND of substitutes are different. The company tests each new batch and then tweaks it(filler??) so you get a volume equivalent. That's why you MUST go volume on the black powder substitutes. Those who shoot black powder cartridges(I believe) weigh the charges. Weight differences between FFg and FFFg? Maybe. I thought from my lessons as a young-un that different sized spheres in a given volume had the same overall amount of empty space. Little spheres don't really pack any tighter than big spheres HOWEVER black powder is granular so it is conceivable the FFFg packs tighter, especially since any black powder load is supposed to be compressed. I know that the finer grain of FFFg burns faster and creates more pressure so as a general rule if one switches to FFFg you are supposed to reduce the charge a bit.
So I've been told.....

 

[musketman]

How many grains in 1 lb of black powder ??

2,472 - 2,473 - 2,474 - 2,475 . . . .

 

[brubincam]

your picture of the powder grains piling up is neat,,,you also have the number of grains counted out,,,QUESTION,,,could you have the number of grains change as they are piling up? no1 change to a 2 change to a 3 change to a 4 ,,,you are very good at animation.. :m2c:

 

[sniper68]

Musketman, me thinks it's time ya took a vacation. :shake:

 

[Dave K]

How many pounds is there in a ton of feathers? :kid:

 

[Rebel]

Are those feathers being checked by weight or volume? ::

 

[canyonman]

Which is heavier, a pound of feathers or a pound of gold? :haha:

Larry

 

[Grenadier1758]

Now you are getting into some of the older methods of weight and the conventions associated with them.

The pound of feathers is measured by weight in the avoudipois system of 16 ounces to the pound or 7000 grains to the pound. A pound of gold is measured according to the apothecaries' scale with 12 ounces to the pound or 5600 grains. Therefore the pound of feathers is heavier. Now we don't use the apothecaries scale to measure items in pounds much any more so in modern parlance the feathers and gold weigh the same.

 

[musketman]

A pound of gold is measured according to the apothecaries' scale with 12 ounces to the pound or 5600 grains.

I thought gold was weighed in Troy ounces?

One Troy ounce is about 10% heavier than the common Avoirdupois ounce. Avoirdupois is the system of weights using the pound of 16 ounces. Troy weight is the system of weights used for Gold, Silver and Jewels with twelve ounces to the pound.

 

[sniper68]

:hmm:So that means a pound of feathers(avoudipois system) wieghs more than a pound of gold (apothecaries system)!? I can see were i'll have fun with that. ::
One concern I have is that I've heard said that real black powder is "getting" like gold! Does that mean when it "gets" like gold were going have ta recaliberate our powder measures or buy all new ones! :shocking:

 

[robinghewitt]

That wouldn't be a pound of horse feathers by any chance?

 

[Grenadier1758]

You are right precious metals are measured in troy units, an apothecary scale. None the less a troy pound is 12 troy ounces and 5,760 grains and a pound of feathers at 7000 grains is still heavier.

Troy weight conversion