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brewer12345
04-05-2020, 04:20 PM
Finally got around to a black powder casting bonanza (2 sizes round ball, two 45 conicals, a 54 conical and a 54 minie). The minie is a long discontinued Lyman hunting minie with relatively thick skirt walls and it is designed to take heavier charges. I haven't ever shot one before. I know I need to lube the grooves. Lube the base? I assume a wonder wad under the bullet is a bad idea? Only reason I ask is that this rifle shoots fer better with a wad under round balls and conicals.

Nobade
04-05-2020, 04:37 PM
I size my minie bullets .001" under bore diameter, dip lube in gatofeo #1, and shoot over 60 gr. FFg. No wads, they kill accuracy when they jam into the base. Remember these bullets only work right when cast from pure lead. Just a little too hard and they're awful.

john.k
04-05-2020, 06:05 PM
Ive always filled the cavity with lube ...with blackpowder ,too much lube is barely enough.

fgd135
04-05-2020, 07:53 PM
Don't use a wad under the bullet, as you want powder gases to hit the skirt directly and expand it to the rifling.

Good Cheer
04-06-2020, 06:13 AM
Lube in the base works sometimes. And sometimes the back flow through the ignition channel carries lube and unburned powder down that path and creates a terrible mess to clean out. Won't know until you see what your lube and your piece does.

The thick skirted minie design can help overcome the deep grooves in round ball barrels. Thinner skirts expand more easily but deep grooves are more damaging to the skirt wall. You will have to slam it hard enough with enough powder to seal it off, so the deeper the rifling the harder you have to slam it. That process either works or else creates other problems. The shooter is part of the loop just like the purity of the lead and quality of the lube and the geometry of the rifling and the ignition channel so once again whatever works for you and your piece by golly is what works.

Just for conversation, paper patching the #533476 is on my list of things to try out in .54. That thing has a WFN front end that makes me wonder if hunters haven't been using it.

charlie b
04-06-2020, 08:41 AM
Not familiar with that bullet. If it is a simple 'cupped' base instead of a true minnie hollow cavity, then you can use a wad. You can tell by looking. If the wad will fill the cavity and still 'squish' to fill the bore then it will work fine. I use a veggie card wad on top of powder, followed by lubed felt, then the bullet (usually paper patched).

I also agree with the soft lead only, but, I think you know that since you shoot conicals.

carbine
04-06-2020, 08:43 AM
Brewer, Minies work best in a gun with shallow rifling. Most Round ball guns the rifling is too deep for a good seal. Best of luck. You might try the bulletin board at N-SSA.org for info

toot
04-06-2020, 08:52 AM
I use a ball of paper wasp nest over powder and behind the bullet cavity, expansion is not interrupted! never a hiccup!

iron brigade
04-12-2020, 07:45 AM
My son killed a buck last November with my original Lorenz musket using the 533476 minie. Load was 46grains of 2f old eyensford. We shoot the Lorenz in civil war skirmishes and it is very accurate.