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  1. R

    Blackpowder Density

    Marmotslayer, Hmmm. I went back to the 1975 1st Ed. Lyman BP Manual and for some reason they only give 3F loads for the .54cal. But a 30inch .54 with .535ball is given as follows for Goex 3F: 40gr....1110fps 50gr....1165fps 60gr....1275fps 70gr....1385fps 80gr....1466fps 90gr....1546fps...
  2. R

    Blackpowder Density

    Howdy Marmotslayer, In the 2001 2nd Ed Lyman Black Powder Manual, using a 32" long .54 barrel with patched 230gr balls, the following is given: Powder Goex 2F Elephant 2F difference weight 40gr 1111fps 1082fps 2.61% 50 1224 1206 1.47% 60 1337...
  3. R

    shaping flints

    Hey Blooch, Where are you in TEXAS? I live in Georgetown, we have great flint to. I make all my own gunflints, they work as well as the storebought English ones as far as I am concerned, maybe better. YHS, rawdog
  4. R

    Blackpowder Density

    It turns out I have been studying this subject recently so I will chime in here... In 1894 Capt. Ingalls of the US Army published a textbook "Interior Ballistics" intended to be used as a text at the US Army Artillery School, then at Fortress Monroe, Virginia. In this book Ingalls relates that...
  5. R

    54 Cal Round Ball Penetration Test

    Great Balls of Fire! The term "hydrostatic shock wave" is a misnomer. The mechanical impulse that accompanies a bullet impact in flesh is hydrodynamic, implying motion, and not hydrostatic, implying no motion. For some reason, popular gun writers like to throw the term "hydrostatic"...
  6. R

    Round ball vs. Sabots

    Much good info has been given in reply to this question. IN addition to the point of barrel twist, rifling depth is an issue too. Barrels that shoot conicals well tend to have shallower rifling than barrels that shoot patched roundballs well. This is because the typically deeper rifling of...
  7. R

    54 Cal Round Ball Penetration Test

    When I read your comment about "balls bouncing off of deer" I understood it in the context of misinformed popular media gunwriters. Before Toby Bridges changed his older website format and moved to Montana, I had an extensive exchange of views with him thru the reader's blog on the site....he...
  8. R

    54 Cal Round Ball Penetration Test

    Good point BrownBear, I have never thought of it. The plastically flowing lead is also work-hardening and becoming somewhat more brittle as it flows out radially to the edge, which enhances your point. The tracking/recoveredball story is fascinating. reminds me of stories about arrow points...
  9. R

    54 Cal Round Ball Penetration Test

    According to a ballistic program, 2120fps and .40cal ball at the muzzle gave 1708fps striking velocity at 30yds. I would expect that you had much more "curl" at the edges of your ball than depicted in any of the pictures I posted. Incidentaly, I think it is typical that a pure lead ball...
  10. R

    54 Cal Round Ball Penetration Test

    BrownBear, I didn't answer one question... That bullet is up at my deer camp right now, so I cannot re-weigh it, but I did weigh it back when I first recovered it and the weight loss was nil....maybe a few grains, IIRC, no more than 10gr out of the 278gr ball weight. SAme conclusion as 40flint...
  11. R

    54 Cal Round Ball Penetration Test

    BrownBear, Excellent comments. I wish we could share notes in person, I would love to learn more of your experiences with bullet testing. With my engineering background I have mostly to date merely researched what others have done. I had begun collecting masses of newspapers to do some wetpack...
  12. R

    Howdy!

    Howdy Parson, I have a property in San SAba County. Only improvement on the place is a travel trailer I camp out of. I forgot to add in my reply to MazoK that I was so excited in the first pic I had my hat on backwards....normally this is a sign of old age (I resemble that remark...!) but I...
  13. R

    Howdy!

    MazoKid, others, thanks for askin! Here is me last year with the .58cal: and here is me a few years back with the .50cal: This last one was the 81 lasered-yard shot that I have previously described as either a 90-pace (true) or a 90-yard (false) shot. Although the 178gr .490 is...
  14. R

    54 Cal Round Ball Penetration Test

    Wow, this is an interesting thread. BTW, I am new here, my intro is posted this morning in intro section. I got interested in this subject of penetration and killing power of bullets some time ago....like others I had never had a .50 PRB fail to passthru with from 60gr to 90gr and ranges from...
  15. R

    Howdy!

    I attempted registration on this Forum about a year ago but somehow never got access...probably a cockpit problem by me....Now a friend of mind has recommended this site to me and I visit again and find I am already registered! I have been shooting muzzleloaders informally and hunting with...
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