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#3009116 - 10/31/12 11:21 AM How do you measure your powder?
Southern Sportsman
6 Point


Registered: 09/18/11
Posts: 953
Loc: West TN

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I used to use a volume measuring tool with pre-marked increments on it and a plunger to adjust volume. After shooting a lot, a friend and myself both settled on shooting "105" grains (based on this tool). As my friend has gotten into reloading all of his ammo, last year we decided to weigh our charges with his fancy new scale to increase consistency. We discovered that "105" on the volume tool was actually 78.5 actual weighted grains (777 ffg). I know that all powders have different weights but I was surprised at how inaccurate the volume tool was. Anyone else compared volume measurements to actual weight?
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#3009146 - 10/31/12 11:39 AM Re: How do you measure your powder? [Re: Southern Sportsman]
Andy S.
TnDeer Old Timer
14 Point


Registered: 07/26/99
Posts: 7863
Loc: Atoka, TN

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Weigh it (smokeless).

Edited by Andy S. (10/31/12 12:03 PM)
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#3009165 - 10/31/12 11:59 AM Re: How do you measure your powder? [Re: Andy S.]
Nhill
8 Point


Registered: 09/30/01
Posts: 1638
Loc: Maryville, TN

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I bet you could work up some more consistent loads by pre weighing them. I wonder how much difference it would make...
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#3009171 - 10/31/12 12:05 PM Re: How do you measure your powder? [Re: Andy S.]
Rubberduck270
10 Point


Registered: 11/01/10
Posts: 2783
Loc: Lawrence Co.

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 Originally Posted By: Andy S.
Weigh it (smokeless).


Yup.
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Smokeless Muzzleloading: It ain't your Grampa's flintlock

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#3009191 - 10/31/12 12:17 PM Re: How do you measure your powder? [Re: Nhill]
Southern Sportsman
6 Point


Registered: 09/18/11
Posts: 953
Loc: West TN

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That's what we're doing now. I'm not sure how much it help, but it certainly doesn't hurt to have exactly the same amount of powder in every load, and it's easy to do if you have an electronic scale.
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#3009220 - 10/31/12 12:39 PM Re: How do you measure your powder? [Re: Southern Sportsman]
Andy S.
TnDeer Old Timer
14 Point


Registered: 07/26/99
Posts: 7863
Loc: Atoka, TN

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I pre-weigh and label 20-30 loads and have them ready to use at any time. It really makes it simple.
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If I had saved all the money I spent on hunting, I'd spend it on hunting.

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#3009228 - 10/31/12 12:46 PM Re: How do you measure your powder? [Re: Andy S.]
Buccaneer
4 Point


Registered: 08/29/06
Posts: 470
Loc: Hendersonville

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Pyrodex, and most other black powder substitutes, are formulated to be a volume-for-volume equivalent of black powder, not an equivalent mass-for-mass (weight-for-weight). Pyrodex is measured by volumetric measurement techniques, not in grains on a scale, due to the difference in density of Pyrodex versus black powder. For example, to measure a "60 grain equivalent" of Hodgdon's Pyrodex suitable for use in a muzzleloader rifle, one uses a volumetric measure that produces a volume of Pyrodex equal to the volume of a mass of 60 grains of black powder. Due to Pyrodex being less dense than black powder, a measurement by weight on a scale of 60 grains of mass of Pyrodex would be near a 30 percent overload.

Volume equivalence is a benefit in loading muzzleloading firearms, traditionally loaded using volumetric measures.

Triple Seven, unlike Pyrodex or Goex Clear Shot, is not a volumetric substitute for black powder. Triple Seven is, volume for volume, more powerful and users should follow load recommendations from the manufacturer.

Substitutes: Two of the many black powder substitutes are Pyrodex and Triple Seven. Both are available in granulated and pellet form. Use Pyrodex in volume equal to black powder; but when using Triple Seven, reduce your loads by 15%.

Measuring: Before loading a black powder product into a firearm, always measure it by volume and not by weight.

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#3009235 - 10/31/12 12:50 PM Re: How do you measure your powder? [Re: Buccaneer]
Brisco Darlin
10 Point


Registered: 04/24/12
Posts: 3162
Loc: East Tn.

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brass measure for goex.
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#3009263 - 10/31/12 01:05 PM Re: How do you measure your powder? [Re: Brisco Darlin]
REN
Good ol' Boys "Team Grizzly"
12 Point


Registered: 10/24/07
Posts: 5337
Loc: Wilson County, TN

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777 is not a powder you weight for shots - ala 100grains of powder. That is by volume, if you weight out 100grains you are shooting a MASSIVE load in a ML.
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#3009270 - 10/31/12 01:13 PM Re: How do you measure your powder? [Re: REN]
tasaman
8 Point


Registered: 01/11/10
Posts: 1081
Loc: Woodlawn, TN

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Buccaneer gave you the best answer as to why there is a discrepancy in the measured versus weighed.

As for measuring BP and substitutes I use an adjustable brass measure. It has a plunger you lower till the number on it reads the amount of powder you wish to use. Then you tighten a thumbscrew to lock it in place. Fill it from a flask until full. Then swing the funnel top over and it levels out the charge. Funnel is very handy for pouring too.

There are a few of them in here.
http://www.cabelas.com/catalog/browse.cmd?N=1100209&WTz_l=SBC%3BMMcat104792580%3Bcat104701680

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#3009353 - 10/31/12 02:06 PM Re: How do you measure your powder? [Re: tasaman]
bigtex
8 Point


Registered: 06/06/04
Posts: 1730
Loc: Brush Creek

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I used a measure to "measure" out 100 grains of tripple 7. Weighed it on my scales then weigh all my charges acordingly.
And yes a "measure" of 100 grains of tripple 7 will "weigh" less than 100 grains.
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#3009567 - 10/31/12 04:25 PM Re: How do you measure your powder? [Re: tasaman]
Wobblyshot1
8 Point


Registered: 10/13/10
Posts: 1196
Loc: Rutherford County

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A grain is a unit of weight not volume. There are 7000 grains to the pound and 27.5 grains to a dram. Most all the powder measures used in muzzle loading are based on black powder equivalent volumetric loads. In spite of what your measure reads, the only way to be sure of the actual grains is to weigh your charge.

My old powder measure when set at the 100 grain mark will throw 105 grs of Swiss 3fg, 97.5 grs of Goex 3fg, and 93 grs of Goex 2fg. I weighed some loose Triple 7 2fg one time and got about 74 grs actual with this same setting.


Edited by Wobblyshot1 (10/31/12 05:33 PM)
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#3009791 - 10/31/12 08:02 PM Re: How do you measure your powder? [Re: Wobblyshot1]
Southern Sportsman
6 Point


Registered: 09/18/11
Posts: 953
Loc: West TN

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I'm still shooting the same amount of powder as I was before (105 based on a volume measurement). We just tested the weight of 20 volume measurements and came up with the exact average (78.7) and now we just pre-measure a bunch of loads that are exactly 78.7 grains weighed.

I appreciate the answers. I definitely learned something.

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#3009900 - 10/31/12 09:00 PM Re: How do you measure your powder? [Re: Southern Sportsman]
quigleysharps4570
4 Point


Registered: 09/06/04
Posts: 316
Loc: Kansas

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I use a volume measure when out shooting or hunting small game. I weigh all my deer loads and blackpowder cartridge loads.
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