Author Topic: Best way to measure extruded powders  (Read 1069 times)

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Darts2116

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Best way to measure extruded powders
« on: February 22, 2023, 11:29:34 AM »
Hi all resident newbie asking another question. So after getting the xl750 because I knew that was the direction I was ultimately going to go. I have to admit I’m a little overwhelmed by the machine. I almost feel like someone handed 18 year old me with the keys to a Shelby Mustang.  Single stage seems a little too time consuming so I found a used Lyman t-mag 2 6 station turret press for 150 bucks on eBay.

Ok that’s a lot of back story to get to the point of the question.  What is the best way to measure an extruded powders. I’ve be told here on my first post in the reloading section’s that the powder throwers like the one the Dillion came with don’t like extruded powders.  Is there a slightly faster option than using dippers and a powder scale?  Thanks
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Filroy77

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Re: Best way to measure extruded powders
« Reply #1 on: February 22, 2023, 11:21:18 PM »
I would think the extruded would meter pretty well in your set up. Iirc it was the flake powder that was in question. Dump and weigh, dump and weigh and see how consistent it is over ten tries or so.
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xtriggerman

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Re: Best way to measure extruded powders
« Reply #2 on: February 23, 2023, 01:58:22 AM »
 Yeah, what ^ he said. Extruded is tiny little sticks of powder granules typically found in IMR powders. Remington Rifle ammo used to be about all in extruded powders from what I remember. A guy was telling me once that he has an old powder measure that has a built in little hammer that taps the charging bar when you charge it. I would like to see one of those! sounds like a good way to reduce fluff in the charge chamber. Sounded cool anyway.
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Darts2116

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Re: Best way to measure extruded powders
« Reply #3 on: February 23, 2023, 09:38:49 AM »
Quote from: xtriggerman link=topic=152619.msg1788937#msg1788937 date=sounds like a good way to reduce fluff in the charge chamber. Can you explain fluff in the charge chamber?
[/quote
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xtriggerman

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Re: Best way to measure extruded powders
« Reply #4 on: February 23, 2023, 03:37:52 PM »
 Its like anything stacked one upon another. The more powder you have sitting on top of the powder at the bottom, it will pack the charge tighter in the charging chamber receptacle. Look at your dillon powder reservoir, see that V shaped baffle at the bottom, That is there to allow only a retained weight of powder press down on the powder that just dropped into your charging cavity. All powder has a degree of "fluff" since the particles have air all around them. But you can compress some of that air out of it with a large volume of powder pushing down on the powder at the bottom. Its the job of a auto measure to give a consistent weight of powder by metering its volume, not its weight. Putting Fluff in check consistently is the goal. Thats why REALLY meticulous reloaders use a trickle charger for each load. With one of those, there is no fluff variable in your dropped charge. Its all done directly onto a scale buy dribbling a few particles of powder at a time.
 Thats why I thought it interesting to see that powder measure with a hammer built in, It would some how settle some of the fluff out of the powder to be dropped into the metering cavity.
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Darts2116

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Re: Best way to measure extruded powders
« Reply #5 on: February 23, 2023, 05:04:57 PM »
Thanks that what I thought after I asked. When it comes to something that can go kaboom in my face I want to be double sure and would rather ask a stupid question. I have not set the press up yet. Need to build a table for it as my work bench is too high.
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Rocketvapor

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Re: Best way to measure extruded powders
« Reply #6 on: February 23, 2023, 06:24:43 PM »
I just toss from a cheap Lee powder measure, maybe good to 0.1 grain, and pinch in or out a few little kernels
of SB 6.5 really fine powder.

Toss and pinch;
https://www.youtube.com/watch?v=x6Hxr1ybK7A

« Last Edit: February 23, 2023, 06:48:42 PM by Rocketvapor »
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