Formula for estimating pressure? (psi)

This is a discussion on Formula for estimating pressure? (psi) within the Reloading forums, part of the Defensive Ammunition & Ballistics category; If this thread isn't dead... can anyone come up with a burn rate for a powder? Any powder really. I looked at the formula that ...

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Thread: Formula for estimating pressure? (psi)

  1. #16
    New Member Array mgondek43's Avatar
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    burn rates

    If this thread isn't dead... can anyone come up with a burn rate for a powder? Any powder really. I looked at the formula that was created by Powley but that assumes that the psi is a constant unless I have read it wrong. I am currently trying to write a program that does something very similar to the slide calculator mentioned for my engineering class but I have been running into roadblocks everywhere trying to calculate a crude muzzle velocity given the bullet weight, caliber, grain. Is this impossible? Any and all advice is greatly appreciated!!

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  3. #17
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    While they do not give the actual burn rate here are a couple of charts comparing different powders.

    Powder Burn Rates

    Comparative Powder Burning Rates
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    "Don't forget, incoming fire has the right of way."

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