WebMar 15, 2024 · Using the above black powder loads in modern cases resulted in mid 1,250fps range with mild chamber pressures of only 8,500psi to 10,000psi. Powder compression is a must with both original and modern brass. H2O measurments of the cases resulted in different overall volumes as expected. WebBlack powder is relatively insensitive to shock and friction and must be ignited by flame or heat. Though it has largely been supplanted by smokeless powder as a propellant for ammunition in guns, black powder …
Everything Handloaders Need To Know About Smokeless Powder
WebMay 20, 2015 · black powder and smokeless powder pressure curves. Bill said, “Black powder burns at essentially the same rate regardless of increasing pressure in the chamber or cartridge. Therefore the burn rate and pressure curve rise times are independent of the pressure levels.” Smokeless powders are generally progressive burning powders, WebThe peak pressures cited are hardly the lowest pressures recorded in this barrel by black powder and black powder substitutes: 27,000 PSI, 29,000 PSI, and even 30,200 and 33,500 PSI peak pressures are published. No loose powder charge heavier than 120 grains was … philandar property management
Propellants: Black Powder - II - Blogger
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