Modesty is a noble virtue. I’m in Australia. We exchanged the Australian pound for the Australian dollar back in the 1960s.
So, does the direction that a paper patch is rolled really matter? I ask because in a muzzleloader the patched bullet is maneouvered against the rifling twist when loading and then with the twist when fired.
T
Thank you for your supportive words. I’m actually using cast hex bullets from a KAL mould and I have no way to size them. They are very consistent diameter thankfully
Whitworth's recommendation, and the most often cited 19thC charge I have seen, was 85 grains of sporting powder (Curtis & Harvey No. 5 powder) with a 530 grain bullet. This with a match rifle of 10lb. For the lighter military rifle Whitworth recommended a 480 grain bullet with 75 grains of powder.The usual load for a Whitworth rifle is between 80 - 90gr, BTW. David Minshall, a man of vast experience in these matters, would tell you that long-range shooting is accomplished with a Whitworth uses around 100gr.
I'm not sure that with a mechanically fitting bullet in a hexagonal bore that the paper would necessarily come out like confetti? Unlike shallower rifling and cylindrical bullets, there's no rifling edges to shear the paper.Brent might see this thread and offer his opinion on PP. I learned what I know from him. Your paper is not sheading and coming out like confetti.
70gr of what size? I am using 3f powder because it’s what I have. I found a chart on some old cast boolets forum that stated 25% less fffg produces close to 2f ffg velocities and breech pressure.
GOEX FFg to FFFg at the 56% proposed rule of thought
50 gr FFg = 28 gr FFFg
60 gr FFg = 34 gr FFFg
70 gr FFg = 39 gr FFFg
80 gr FFg = 45 gr FFFg
90 gr FFg = 50 gr FFFg
100 gr FFg = 56 gr FFFg
110 gr FFg = 62 gr FFFg
125 gr FFg = 70 gr FFFg
GOEX FFg to FFFg at the 75% proposed rule of thought
50 gr FFg = 38 gr FFFg
60 gr FFg = 45 gr FFFg
70 gr FFg = 53 gr FFFg
80 gr FFg = 60 gr FFFg
90 gr FFg = 68 gr FFFg
100 gr FFg = 75 gr FFFg
110 gr FFg = 83 gr FFFg
125 gr FFg = 94 gr FFFg
GOEX FFFg to FFg
30 gr FFFg = 54 gr FFg (at 56%), 40 gr FFg (at 75%)
40 gr FFFg = 71 gr FFg (56%), 53 gr FFg (75%)
50 gr FFFg = 89 gr FFg (56%), 67 gr FFg (75%)
60 gr FFFg = 107 gr FFg (56%), 80 gr FFg (75%)
70 gr FFFg = 125 gr FFg (56%), 93 gr FFg (75%)
80 gr FFFg = 143 gr FFg (56%), 107 gr FFg (75%)
90 gr FFFg = 161 gr FFg (56%), 120 gr FFg (75%)
100 gr FFFg = 179 gr FFg (56%), 133 gr FFg (75%)
110 gr FFFg = 196 gr FFg (56%), 147 gr FFg (75%)
And remember that a first shot on a clean barrel does not in a group go.
This is information that I can’t provide (but I should know). I get my lead from the scrap metal merchant and just pic out the softest most malleable lead I can find. It’s mostly old roof flashing and down pipes. Then I flux it well.You've not mentioned much about your bullets & the alloy you're using
question, how do you know how many wraps / turns of paper to apply, with out getting too much wrap on the bullet, and it will not load? and what makes it adhere to the bullet with out unraveling ?toot.Don’t have a Whitworth, but shoot paperpatched out of a faster twist GM barrel. Found baking parchment paper to be ok, but things really came around when I started using 100% cotton 9lb onion skin for wrapping sized bullets. They load with little more than pressure from the weight of the ramrod. Not much to recover as far a paperpatch. It tends to shred into confetti as it exits the bore. I use a slightly oversized hard felt wad between the powder and bullet. View attachment 89155
It’s customary to wrap twice around the bullet. My bullet mould came with a template for tracing out patches. I moisten the paper and roll it around the bullet, then fold it on itself on the base of the bullet. When the paper dries it’s tight.question, how do you know how many wraps / turns of paper to apply, with out getting too much wrap on the bullet, and it will not load? and what makes it adhere to the bullet with out unraveling ?toot.
Measure a completed one buddy.question, how do you know how many wraps / turns of paper to apply, with out getting too much wrap on the bullet, and it will not load? and what makes it adhere to the bullet with out unraveling ?toot.
I took my Volunteer rifle out to the range using Goex 3F powder and a lubed 300 grain cast Mine' Balls (that's all they had at the ML shop). I started with 60 grains and it hit incredibly high. Dropped it down to 40 grains with no difference. Distances were 25 and 50 yards.
Measure a completed one buddy.
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