Quote:
Originally Posted by Nightowl
cups and psi are not equal. From what I have read, there is not arithmetic formula to convert one to the other, either. Don't understand that, just repeating what I have read. So I am not sure there is any difference in the actual pressure pushing the bullet out of the barrel in those numbers.
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Also:
PSI to CUP CONVERSION FORMULA
Something like this always pops up when I search for this, and this is what I always see for a conversion. It is always labeled as not being exact but always close. So no, it isn't exact but you are still talking apples and not oranges. But this is why you start loads low and work them up. What works in one gun may not work in yours.