Paper Thicknesses For Pritchett Bullets

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Anyone happen to know what paper thickness was used by the British for the Pritchett bullet ammunition?
I've read that it approximated the modern day nine pound. That seems a little thin seeing as the bullets were .550" diameter but hey, I know I don't know.
 
Bumping up to again present the question.
Anyone happen to know what paper thickness was used by the British for the Pritchett bullet ammunition?
 
I used Staedtler 100% rag vellum for 2 of the 3 pieces of paper. This vellum measures about .0032" thickness for the bullet paper & the powder tube parts. I used drawing pad paper for the stiff tube portion that is about .0054" thick, but you can use just about any paper for it with the .550" bullet.

I bought the cartridge templates & mandrels listed on this video and they are very nice quality:
I think the guy in this video owns the company that makes the steel templates.

I assume you bought the NOE bullet mold & base plug template?
I wound up buying The Destroying Angel and later The English Cartridge both by Brett Gibbons - lots of great info on the evolution of the 1853 cartridge.

later, Mike
 
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What I have is a #575213 with lube grooves removed. The mold was remachined to remove those ridges within the cavity to make smooth sides. There are multiple plugs of course from various Lyman molds that are interchangeable. Also have one plug that is very close to plain base, a shallow indentation to make way for the folded paper at the base.
I use push through sizers for the final diameters.

The reason for asking about the paper thickness is interest in how small the bullets were versus the actual bore diameter, how much expansion was required to seal off the bore, how much of that huge gap was taken up by thick paper.
 
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