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I have Wright's book somewhere, the 2nd Ed. I think, but it has been buried under too much junk as I can't find it at the moment. If anyone is more organized then I and just happens to have their copy(ies) handy, did Wright ever measure pressures for the black powder loads? Thanks. ------------------------------- Will / Once you've been amongst them, there is no such thing as too much gun. --------------------------------------- and, God Bless John Wayne. NRA Benefactor, GOA, NAGR _________________________ "Elephant and Elephant Guns" $99 shipped. “Hunting Africa's Dangerous Game" $20 shipped. red.dirt.elephant@gmail.com _________________________ If anything be of note, let it be he was once an elephant hunter, hoping to wind up where elephant hunters go. | ||
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yes he did. the 3'ed edition there are a some pressure tests of both NfB and Black powder loads. What do you need, Will ? best peter | |||
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If there is a comparison between the .450 NE and the .450 Nitro for Black, that would be of interest. Where my copy is I don't know. According to Kynoch the .450 NE spits out a 500 gr. bullet at 2150 ft/s and 17 tonnes in a 28" barrel. The .450 Nitro for Black is chucking a 350 gr. at the same velocity in the same 28" bsrrel but they don't say what the pressure might be. If there is a 1 to 1 comparison for pressure difference that you could supply, that would be great. ------------------------------- Will / Once you've been amongst them, there is no such thing as too much gun. --------------------------------------- and, God Bless John Wayne. NRA Benefactor, GOA, NAGR _________________________ "Elephant and Elephant Guns" $99 shipped. “Hunting Africa's Dangerous Game" $20 shipped. red.dirt.elephant@gmail.com _________________________ If anything be of note, let it be he was once an elephant hunter, hoping to wind up where elephant hunters go. | |||
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Will, Another source for black powder or nitro for black pressures would be Sherman Bell's articles in Double Gun Journal if Wright doesn't have what you're looking for. Bell did a lot of comparisons, iirc. JPK Free 500grains | |||
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will 350 soft point: 110 grains swiss 3fg: fed 215: 1680 fps: 9,0tpsi 140 grains swiss 1½fg: fed 215: 1725 fps: 9,0tpsi Nitro for Black 70 grains Varget + cork wads: WLR: 1970 Fps: 9,2 Tpsi 52 grains IMR 4198 + dacron filler: RWS 6507: 1860 fps: 8,2 Tpsi hope this helps. best peter this data were from G. Wright's book: shooting the British double rifle, a must for every double rifle shooter | |||
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Peter, Excellent. It shows, like everybody but I knew already, that indeed the mass of black powder has to be twice or more the weight of smokeless powder to get to the same place. Thanks. Bill ------------------------------- Will / Once you've been amongst them, there is no such thing as too much gun. --------------------------------------- and, God Bless John Wayne. NRA Benefactor, GOA, NAGR _________________________ "Elephant and Elephant Guns" $99 shipped. “Hunting Africa's Dangerous Game" $20 shipped. red.dirt.elephant@gmail.com _________________________ If anything be of note, let it be he was once an elephant hunter, hoping to wind up where elephant hunters go. | |||
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