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SD Dog
Optics Master Extraordinaire OT Scratching Post Joined: February/28/2008 Status: Offline Points: 4177 |
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My brother and brother in law just got the Lee 50th Anniversary kit. Not a bad way to start.
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If nobody ever said anything unless he knew what he was talking about, a ghastly hush would descend upon the earth. AP Herbert
Stupidity & ignorance have been the foundation for many certainties. |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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i love my rock chucker IV good stuff!
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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Urimaginaryfrnd
MODERATOR Resident Redneck Joined: June/20/2005 Location: Iowa Status: Offline Points: 14964 |
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accuracy depends on consistency
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"Always do the right thing, just because it is the right thing to do". Bobby Paul Doherty Texas Ranger |
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huff143
Optics Journeyman Joined: December/08/2008 Location: Kansas City Status: Offline Points: 304 |
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Good call on the Rockchuker. I've been using that same press about 15yrs and it's as good as when new. **I would consider getting a case tumbler sooner than later. I know you have alot of brass saved up, but when you get into loading those cases for a third time (incl. factory load) they need to be cleaned for proper inspection. Plus, they feed into the rifle better anyway. ***I'd also stay away from electronic scales. Balance beam-type scales are the most consistent out there. You can do your own research, talk to BR shooters and you'll find this to be true. Enjoy your new handloads and be safe! |
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Urimaginaryfrnd
MODERATOR Resident Redneck Joined: June/20/2005 Location: Iowa Status: Offline Points: 14964 |
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With the electronic scale you have to watch that it resets to zero when you put the empty pan back on the scale then you push dispense and it spins the metal dispensing rod until it thinks it has the selected powder charge. What hapens a lot of times is that as it slows down to stop a few tenths of a grain extra will fall in the pan. When the machine thinks it has the correct load it beeps audibly and you need to look to be sure the measurement shown is the one you selected. Say you selected 44.0 grains and you actually wound up with 44.2 gr in the pan take a pinch of powder from the pan with your thumb and index finger and see what it reads if its 44.1 take out another pinch if it reads 39.9 let a little of the powder fall from between your fingers to get the correct ammount or gently tap the metal rod to make a tenth of a grain fall in the pan. When you measure every charge exactly I dont see how anything could be more accurate than that.
With the manual scale powder trickler and powder thrower you set the powder thrower to measure a charge hopefully a couple of tenths below what you want and turn the powder trickler to bring the charge up to the correct charge. Failure to ballance the scale properly will result in problems and its not that hard to mis-adjust the manual ones . The electric is a lot faster if you measure every charge. If you are charging pistol cartridges and shooting a load like 5.5grains Unique with a minimum of 5 and a max of 6 you have some room for error and can use a powder thrower that may vary 2 to 3 tenths. rifle cartridges should be exact but with pistol target cartridges a couple of tenths at 15 to 25 yds wont make much difference.
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"Always do the right thing, just because it is the right thing to do". Bobby Paul Doherty Texas Ranger |
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budperm
Optics Retard show me your sheep!! Joined: January/01/2009 Location: Pennsylvania Status: Offline Points: 31710 |
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A couple of things to know about digital scales. Resolution and accuracy are not the same thing. Resolution is the smallest displayed weight. For most powder scales this is 0.1gr. Quite often advertisements state accuracy to 0.1gr when in reality they mean it's resolution is 0.1gr. The accuracy would actually be +/- 0.15gr or worse. Why? The displayed least significant digit of weight is a rounded number. Also, so that the display is not constantly changing most digital scales take multiple readings and average the results before displaying. Depending on scale manufacturer averaging might be of 10 to100 readings. This is discernable with trickling. It might take 5 to 10 seconds for some scales to show the additon of a few kernals of powder. I use a digital scale with 0.02gr resolution, with means +/- 0.03 accuracy. Using this scale I can detect the additon of a single grain of H4895SC as approx 0.02gr and a single kernal of RE17 as 0.04gr. Digital scales are also very sensitive to magnetic fields, static electricity and air currents.
My point is, if using scales with resolution of 0.1gr it makes no sense to try to make loads that differ by less than 0.3gr because they could actually overlap adjacent loadings.
Here is a quick test to determine your repeatability from load to load for a given powder.
Start with a zeroed scale.
slowly, one at a time add single kernals of powder to your scale pausing at least 5 seconds between each additon (waiting for averaging) until the displays changes from 00.0gr to 00.1gr. counter number of kernals in the dish of the scale and subtract 1. You now know how many kernals +/- you can have for any grain weight load of that powder you make. example: say it takes 8 kernals of H4895SC to make scale display change from 0.0 to 0.1gr. 8-1=7 kernals. That means all loads can vary by +/- 7 kernals and the scale will report the same weight. So, using a 0.1gr scale you can get 14 kernals difference. Using a 0.02gr scale that difference falls to 4 kernals.
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"Peace is that brief glorious moment in history when everybody stands around reloading".
--Thomas Jefferson |
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rifle looney
Optics Master Joined: November/21/2008 Status: Offline Points: 2553 |
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Thank you Teach!.....Bud
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Longhunter
Optics Journeyman Joined: February/02/2006 Status: Offline Points: 466 |
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I have been very happy with my RCBS ChargeMaster 1500 Powder Scale and Dispenser Combo. It really speeds things up.
This setup throws very consistent loads, as confirmed by both shooting results and examining fired cases while working up target loads for centerfire revolvers.
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300S&W
Optics God Joined: January/27/2008 Location: Burlington,WV Status: Offline Points: 10592 |
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I LUV my PACT. I use to set my 5-0-5 up and double check my charge weights but don't anymore.
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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i will never use a balance beam scale again if i dont have too.
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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loaded4bear
Optics Apprentice Joined: January/06/2009 Status: Offline Points: 103 |
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Been away for some time but I'm all set up with my reloading equipment and luckily I found a new buddy at the range who has been kind enough to get me started. It really isn't all that difficult but I can see why some recommended a progressive loader for pistol. Maybe a Dillon is on my future list but for now I'll be fine with what I have.
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Texas
Optics Apprentice Joined: February/11/2008 Location: Texas, USA Status: Offline Points: 211 |
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And Bud makes fun of engineers (ME)! He is correct on this, and the scales sensitivity is a part of consistently throwing charges. I have an RCBS Chargemaster setup with the powder thrower and electronic scale talking to each other, also. I did not trust it when I got it, so I tested it against my RCBS 1010 manual balance. My results were that the electronic setup was able to consistently throw charges within 0.1 grain when I weighed the thrown charges again on my balance. I have tested it again like this several times and found that it is holding this level of repeatability. The RCBS Chargemaster combo is WONDERFUL!!! YMMV.
Texas
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DDrag50
Optics GrassHopper Joined: September/29/2007 Location: Space Coast, FL Status: Offline Points: 3 |
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< ="-" ="text/; =utf-8">< name="ProgId" ="Word.">< name="Generator" ="Microsoft Word 9">< name="Originator" ="Microsoft Word 9"> Good choice with the Rock Chucker! I started out with the same kit about four years ago. But in that short time I have expanded a
little! You can take reloading as far as you want!
It’s my hobby that feeds my other hobby that started it all (shooting). |
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budperm
Optics Retard show me your sheep!! Joined: January/01/2009 Location: Pennsylvania Status: Offline Points: 31710 |
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Nicely organized set-up you got there! It is easy too get carried away! I am already set-up to reload 270win, 308 win, 8mmX57 and am about to start down the 223 road. Been researching varmits in 223, so it stands that reloading is included. New dies of course but also small primers I didn't need before as well a different powders. Oh well, such is life!
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"Peace is that brief glorious moment in history when everybody stands around reloading".
--Thomas Jefferson |
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300S&W
Optics God Joined: January/27/2008 Location: Burlington,WV Status: Offline Points: 10592 |
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I'm needing srp's for a .218 Bee I'm to do up a load for. NONE!! |
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