powder weights in grams?


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ackattack
September 1, 2006, 03:55 PM
hello, I'm trying to figure out how much Pyrodex P weighs, in 25 to 40 grains in 5 grain increments. I saw a post a week or two ago, but lost it. It can be in grams. thanks dominic...

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Duncaninfrance
September 1, 2006, 05:45 PM
Dominic.

1 Gram = 15.43 grains. Start from here!
Duncan

Manyirons
September 1, 2006, 06:50 PM
Its weighin exact whatcha weighin! Nows ya tryin ta figger weight agin black an VOLUME?

Ifin thas whatcha wantin, ya goes ta this link.

http://www.bigironbarrels.com/forum/viewtopic.php?t=63

Smokin_Gun
September 1, 2006, 10:06 PM
Try this chart see if it helps.
http://www.curtrich.com/BPConversionSheet.htm

Actually weight doesn't matter measurements are given by volume anyway equivilant to BP. Pyrodex +P is definately lighter.

pascalp
September 1, 2006, 10:31 PM
A usefull tool.

http://joshmadison.net/software/convert/

With so many conversions, that the first thing to do is options/preferences/tabs and untag most of them !.

gezzer
September 2, 2006, 01:12 AM
Shotgun loads are shown in DRAMS not grams.

A dram of Black Powder is 27 1/2 GRAINS again not grams

Do not use grams in reloading as you will stay confused and may blowup a gun.

Duncaninfrance
September 2, 2006, 04:37 AM
Do not use grams in reloading as you will stay confused and may blowup a gun.

Rubbish!

If that were the case then my Lyman Model 500 Scale would not be in metric i.e. grams. Neither would the RCBS Rangemaster 750 electronic scale offer grams / grains at the press of a button!

Duncan

Manyirons
September 2, 2006, 07:47 AM
With Duncan on this un! Ifin yer THAT confused ya shouldn't be drivin, cookin, er reloadin!

normbal
September 2, 2006, 12:08 PM
GRAMS?

There's 454.6 graMSs in a pound avadupois IIRC

There's 7000 graINS in the same pound.

that's an error factor of ~ 15

You CAN use a gram scale to measure powder, but your decimal place accuracy won't be anywhere close to that of measuring graINS.

That said, in most BP guns (rifles/shotguns I mean) the powder weights are so large a 5 grain difference one way or the other has never affected accuracy for the kind of shooting I've done (deer w/ caplock and flintlock, ARW-1 reeanacting), but of course, YMMV.

-Norm

LEE3370
September 4, 2006, 09:37 AM
"Its weighin exact whatcha weighin! Nows ya tryin ta figger weight agin black an VOLUME?

Ifin thas whatcha wantin, ya goes ta this link."

Manyirons,
Thanks for that post. I had asked that elsewhere and could not get a straight answer. Bigironbarrels.com was the only place that would answer it without a bunch of BS.
Thank You,
Lee

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