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Long Range Hunting & Shooting
Load for 6.5 RPM
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<blockquote data-quote="just_jon" data-source="post: 2506440" data-attributes="member: 112153"><p>Cartridge : 6.5 Weatherby RPM</p><p>Bullet : .264, 120, Sierra SP 1720 G7 Litz</p><p>Useable Case Capaci: 79.710 grain H2O = 5.176 cm³</p><p>Cartridge O.A.L. L6: 3.340 inch = 84.84 mm</p><p>Barrel Length : 24.0 inch = 609.6 mm</p><p>Powder : Hodgdon H4831 *T</p><p></p><p>Predicted data by increasing and decreasing the given charge,</p><p>incremented in steps of 1.0% of nominal charge.</p><p>CAUTION: Figures exceed maximum and minimum recommended loads !</p><p></p><p>Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time</p><p> % % Grains fps ft.lbs psi psi % ms</p><p></p><p>-10.0 88 62.55 2961 2337 46917 13739 96.3 1.295</p><p>-09.0 89 63.25 2994 2389 48426 13895 96.7 1.276</p><p>-08.0 90 63.94 3027 2441 49981 14047 97.1 1.257</p><p>-07.0 91 64.64 3059 2493 51586 14193 97.5 1.238</p><p>-06.0 91 65.33 3091 2546 53240 14335 97.8 1.219</p><p>-05.0 92 66.03 3124 2600 54946 14471 98.2 1.201</p><p>-04.0 93 66.72 3156 2654 56705 14601 98.4 1.183 ! Near Maximum !</p><p>-03.0 94 67.42 3188 2709 58520 14726 98.7 1.166 ! Near Maximum !</p><p>-02.0 95 68.11 3221 2764 60392 14845 99.0 1.149 ! Near Maximum !</p><p>-01.0 96 68.81 3253 2819 62323 14959 99.2 1.132 ! Near Maximum !</p><p>+00.0 97 69.50 3285 2875 64317 15066 99.4 1.116 !DANGEROUS LOAD-DO NOT USE!</p><p>+01.0 98 70.20 3317 2931 66375 15166 99.6 1.099 !DANGEROUS LOAD-DO NOT USE!</p><p>+02.0 99 70.89 3348 2988 68499 15261 99.7 1.083 !DANGEROUS LOAD-DO NOT USE!</p><p>+03.0 100 71.59 3380 3045 70692 15348 99.8 1.068 !DANGEROUS LOAD-DO NOT USE!</p><p>+04.0 101 72.28 3412 3102 72956 15429 99.9 1.052 !DANGEROUS LOAD-DO NOT USE!</p><p>+05.0 102 72.98 3443 3159 75296 15503 100.0 1.037 !DANGEROUS LOAD-DO NOT USE!</p><p></p><p>Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge</p><p>Data for burning rate increased by 10% relative to nominal value:</p><p>+Ba 97 69.50 3419 3115 75446 14683 100.0 1.037 !DANGEROUS LOAD-DO NOT USE!</p><p>Data for burning rate decreased by 10% relative to nominal value:</p><p>-Ba 97 69.50 3098 2557 53250 14774 94.8 1.217</p></blockquote><p></p>
[QUOTE="just_jon, post: 2506440, member: 112153"] Cartridge : 6.5 Weatherby RPM Bullet : .264, 120, Sierra SP 1720 G7 Litz Useable Case Capaci: 79.710 grain H2O = 5.176 cm³ Cartridge O.A.L. L6: 3.340 inch = 84.84 mm Barrel Length : 24.0 inch = 609.6 mm Powder : Hodgdon H4831 *T Predicted data by increasing and decreasing the given charge, incremented in steps of 1.0% of nominal charge. CAUTION: Figures exceed maximum and minimum recommended loads ! Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time % % Grains fps ft.lbs psi psi % ms -10.0 88 62.55 2961 2337 46917 13739 96.3 1.295 -09.0 89 63.25 2994 2389 48426 13895 96.7 1.276 -08.0 90 63.94 3027 2441 49981 14047 97.1 1.257 -07.0 91 64.64 3059 2493 51586 14193 97.5 1.238 -06.0 91 65.33 3091 2546 53240 14335 97.8 1.219 -05.0 92 66.03 3124 2600 54946 14471 98.2 1.201 -04.0 93 66.72 3156 2654 56705 14601 98.4 1.183 ! Near Maximum ! -03.0 94 67.42 3188 2709 58520 14726 98.7 1.166 ! Near Maximum ! -02.0 95 68.11 3221 2764 60392 14845 99.0 1.149 ! Near Maximum ! -01.0 96 68.81 3253 2819 62323 14959 99.2 1.132 ! Near Maximum ! +00.0 97 69.50 3285 2875 64317 15066 99.4 1.116 !DANGEROUS LOAD-DO NOT USE! +01.0 98 70.20 3317 2931 66375 15166 99.6 1.099 !DANGEROUS LOAD-DO NOT USE! +02.0 99 70.89 3348 2988 68499 15261 99.7 1.083 !DANGEROUS LOAD-DO NOT USE! +03.0 100 71.59 3380 3045 70692 15348 99.8 1.068 !DANGEROUS LOAD-DO NOT USE! +04.0 101 72.28 3412 3102 72956 15429 99.9 1.052 !DANGEROUS LOAD-DO NOT USE! +05.0 102 72.98 3443 3159 75296 15503 100.0 1.037 !DANGEROUS LOAD-DO NOT USE! Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge Data for burning rate increased by 10% relative to nominal value: +Ba 97 69.50 3419 3115 75446 14683 100.0 1.037 !DANGEROUS LOAD-DO NOT USE! Data for burning rate decreased by 10% relative to nominal value: -Ba 97 69.50 3098 2557 53250 14774 94.8 1.217 [/QUOTE]
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