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Thread: Internal Ballistics Calculators

  1. #1
    Boolit Master
    JSnover's Avatar
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    Dec 2007
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    Internal Ballistics Calculators

    I'd like to find a program that can calculate chamber pressure. Some manuals and websites will provide it but only for loads they've tested and all of them within normal parameters for a given cartridge. If you get a little 'outside the box' or simply have a component they didn't test you're in for more trial and error/educated guesses. For example; a rifle with a longer throat - what happens when the bullet is seated further out? Or a heavy-for-caliber bullet has to be set deeper to fit the magazine. The simple answer is "chamber pressure goes lower or higher," respectively, but I want to know how much it might deviate from standard pressures.
    Warning: I know Judo. If you force me to prove it I'll shoot you.

  2. #2

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check