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Thread: I'm no Einstein
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February 7th, 2015, 08:40 PM #21Senior Member
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Re: I'm no Einstein
Thank you one and all. The powder scale is in the mail as I write this. I enjoyed all the info and comments. THANKS AGAIN
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February 7th, 2015, 09:03 PM #22
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February 8th, 2015, 06:00 AM #23Grand Member
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Yutopia,
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Re: I'm no Einstein
There are scales out there with precision in the milligram range. A grain is about 65 milligrams. Milligrams are a lot more precise than grains.
A NASA probe missed Mars because of conversion errors. Someone picked Imperial units for SI so the probe missed Mars and went into space. Even the Pros make mistakes.
Why take a chance? Get a scale calibrated in grains. Be sure that it's only calibrated in grains. People sometimes don't pay close attention to the units of measure.
Most powder manufacturers have online recipes. Use a paper manual, use an online source.
Pick the recipe that has most of the components that you are using. Start conservatively, except with known "detonators" like the 8mm Mauser or 243. For those special cases where a round is a known detonator you have to be extra careful.
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February 9th, 2015, 11:42 AM #24Super Member
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Nashville,
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Re: I'm no Einstein
R U sure the thing will not transition to grains??? i have a Dillon digital and it weighs both.
BTW you may save yerself some headaches if you run into a problem w 9mm cases..they often "gourd" while resizing..ie: come out w a slight bulge right up ahead of the extractor groove. & this is caused by not being able to full-length resize them pesky small cases!
We had this problem at first and found that some cases stick IN the chambers of some semi-autos..or even jam b4 firing, which is a pain to get them out!! We fixed the problem by buying what is called a 9mm "undersize die"..it gets resizing right down to the groove and voila' no more 'gourded cases"!!
Now we also mic out all 9mm cases b4 resizing..to make sure the are within a few tenths of a mm in diameter of factory cases. I also mic out about every 20th case after loading..just in case! I am careful and a bit slow, but I hate jams!!!
just sayin. get a new scale!!
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