Cowboy BP 8 & 10 loads
Dave,
HA! I bow to the BP purist! Frontiersman, eh!?!
Would that I can again visit your state. Have fond memories, a bit dim now with age. I was 11, last time. Have you made your pilgrimage to EOT yet, or how far West have you traveled?
Anyway. I placed my Fate in the hands of the Gods as I worked up my loads. I know there are smiths around here, but none I've worked with yet. After talking with a few compatriots and studying the Forums, I run the conservative following:
The 10 is 1 3/8 square, Federal hull, 1 fiber wad plus the overs and unders, roll crimped. Gives me about 93 grains by weight of 2F Goex. That's about your 3 1/2 dram if I figure it right.
The 8 is 1 5/8 square, Remington industrial, 1 1/2 fiber plus overs and unders. 'Tis a heavy hull, slight roll crimp, wouldn't dare try a star crimp. Gives me about 112 grains by weight of 2F Goex. So its not quite the ground shaker you and my fellow club members imagined. My math figures I could add another 50 grs. to be exciting!! I'm using 7.5's, SASS allows #4's right!!
Chrono'd both, and they are running 1080 FPS. The 8 being a 7 frame, has a side wall thickness of .277. Me thinks that would handle a mild load. No doubt Brad will give me insight. The 10 bores are so clean on a 3 frame (no pitting) I ran with that too. I have lots of room to add powder and shot!! In the Forum info, I should maybe look into patterns and the like. The Full chokes, may be stripping off the wads to avoid any holes.
If the 10 is the 'Mighty 10' what's the '8'??
Burnin' daylight,
DD
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