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Rifles, Reloading, Optics, Equipment
Reloading
What method do you use wneh shoosing a powder?
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<blockquote data-quote="Jud96" data-source="post: 1722322" data-attributes="member: 69478"><p>I have a good idea of powder burn rate and understanding what burn rate to use with what case capacity and what bullet weight etc. Most of this comes with experience and lots of experimenting and messing around. If I am starting with a cartridge I know nothing about, I first will find out what it's case capacity is. I do this by either a quick google search, or the best way, measuring the internal capacity for my myself with the brass I have on hand. Then from experience I'll select a powder in a certain range of burn rate, or just look in the manuals for the powders that give high load density, around 90-100% case fill. I look for powders that are temp stable, relatively available, and give top velocities.</p><p></p><p>I use manuals as a reference and don't follow into their most accurate loads tested and what not. I'll just reference the max charge in the books with the powders I'm interested in with the bullet weight I want to use. I'll start load development 2-3gr under the average book max and work up until i see pressure. I will set a goal for velocity with that particular cartridge and bullet weight, then work up and find my nodes. Usually I'll find a node towards the upper end of safe pressures. If I did my homework right, then I'll have high case fill, high velocity, and consistency. Sometimes certain powders just wont work for whatever reason. That's when I'll redo some testing, try different primers, or if I have another acceptable powder on hand I'll just switch to it and start over.</p></blockquote><p></p>
[QUOTE="Jud96, post: 1722322, member: 69478"] I have a good idea of powder burn rate and understanding what burn rate to use with what case capacity and what bullet weight etc. Most of this comes with experience and lots of experimenting and messing around. If I am starting with a cartridge I know nothing about, I first will find out what it’s case capacity is. I do this by either a quick google search, or the best way, measuring the internal capacity for my myself with the brass I have on hand. Then from experience I’ll select a powder in a certain range of burn rate, or just look in the manuals for the powders that give high load density, around 90-100% case fill. I look for powders that are temp stable, relatively available, and give top velocities. I use manuals as a reference and don’t follow into their most accurate loads tested and what not. I’ll just reference the max charge in the books with the powders I’m interested in with the bullet weight I want to use. I’ll start load development 2-3gr under the average book max and work up until i see pressure. I will set a goal for velocity with that particular cartridge and bullet weight, then work up and find my nodes. Usually I’ll find a node towards the upper end of safe pressures. If I did my homework right, then I’ll have high case fill, high velocity, and consistency. Sometimes certain powders just wont work for whatever reason. That’s when I’ll redo some testing, try different primers, or if I have another acceptable powder on hand I’ll just switch to it and start over. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What method do you use wneh shoosing a powder?
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