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Unread 07-03-2026, 08:29 PM   #9
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edgarspencer
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Quote:
Originally Posted by Clark McCombe View Post
It’s just one of those things…The next step will be paper hulls
They're almost too pretty to shoot
Quote:
Originally Posted by Keith Doty View Post
Beware! Paper hulls may be addictive.
No argument there, Keith
Quote:
Originally Posted by Mike Koneski View Post
Some paper hulls definitely load better than others.
Buzackly! Cheddite 12 and 16 paper roll perfectly, but the yellow paper 20s don't. They looked like a kindergarten art project.

Many years ago, I had Tom Armbrust test my 12 and 16 roll crimp loads and from several recipes i had for plastic star crimped loads. What I found was interesting, in that they resulted in approximately 500psi lower pressures, irrespective of recipe or gauge. A 6700psi 12gauge load came back at roughly 6200psi, and a 6000psi 16gauge load came back at 5550psi.

Something someone told me, or maybe I read, was that is was important to keep the depth of the rolled edge the same as it's width. Excessively deep rolled edges can produce Higher pressures.
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