Re: Copper Crush (was: Question)


Gunny wrote:
# "FACE" <AFaceInTheCrowd@xxxxxxxxxxxxx> wrote in message
# news:dmesuk$et1$1@xxxxxxxxxxxxxxxxxxxxxxxx
# # If we are having a conversation about small arms, their bullets and powder
# and i
# # mention a "crush load" does that register as a valid term with anyone?
# What
# # does it mean?
# #
# # Thanks,
# #
# # FACE
#
# Ding Ding Ding. The above answers are only partially right. There
# actually is a relationship between "crush" and ammunition. Older manuals
# usually listed CUP or copper units pressure from the copper crush pressure
# testers, especially in older cartridges. Most current pressure data is
# listed in PSI or pounds per square inch pressure. CUP and PSI are two
# totally different units of pressure measurement. There is no mathamatically
# direct conversion between the two units of measurement. The only
# correlation is that as pressure increases both measurements increase but not
# proportionally.
#
# I win! I win! :-)


Sort of.


These days pressure measurements are made by piezo-electric devices.


J. Del Col



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