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Rifles, Reloading, Optics, Equipment
Reloading
Any (7mm-08 / H414 [or 760] / 139SST) 1st hand experience?
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<blockquote data-quote="jimbires" data-source="post: 2143523" data-attributes="member: 11011"><p>same as above except at 70* F . </p><p></p><p></p><p>Cartridge : 7 mm-08 Rem.</p><p>Bullet : .284, 139, Hornady SST InterLock 28202</p><p>Useable Case Capaci: 48.816 grain H2O = 3.170 cm³</p><p>Cartridge O.A.L. L6: 2.795 inch = 70.99 mm</p><p>Barrel Length : 22.0 inch = 558.8 mm</p><p>Powder : Hodgdon H414 ?, Temperature: 70 °F</p><p></p><p>Predicted data by increasing and decreasing the given charge,</p><p>incremented in steps of 2.0% 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>-20.0 83 39.52 2339 1688 31598 8224 86.3 1.407</p><p>-18.0 85 40.51 2400 1778 33823 8506 87.7 1.368</p><p>-16.0 87 41.50 2461 1870 36215 8782 89.1 1.330</p><p>-14.0 89 42.48 2523 1965 38785 9048 90.4 1.290</p><p>-12.0 91 43.47 2585 2062 41550 9306 91.6 1.249</p><p>-10.0 93 44.46 2647 2163 44527 9553 92.8 1.209</p><p>-08.0 95 45.45 2709 2266 47735 9788 93.8 1.171</p><p>-06.0 98 46.44 2772 2372 51199 10010 94.9 1.134 ! Near Maximum !</p><p>-04.0 100 47.42 2835 2480 54940 10219 95.8 1.099 ! Near Maximum !</p><p>-02.0 102 48.41 2897 2591 58989 10412 96.6 1.065 ! Near Maximum !</p><p>+00.0 104 49.40 2960 2704 63372 10589 97.4 1.032 !DANGEROUS LOAD-DO NOT USE!</p><p>+02.0 106 50.39 3023 2820 68128 10748 98.0 1.000 !DANGEROUS LOAD-DO NOT USE!</p><p>+04.0 108 51.38 3086 2939 73257 10889 98.6 0.969 !DANGEROUS LOAD-DO NOT USE!</p><p>+06.0 110 52.36 3148 3059 78822 11010 99.1 0.939 !DANGEROUS LOAD-DO NOT USE!</p><p>+08.0 112 53.35 3211 3182 84876 11110 99.4 0.910 !DANGEROUS LOAD-DO NOT USE!</p><p>+10.0 114 54.34 3274 3308 91478 11188 99.7 0.882 !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 104 49.40 3107 2979 76823 10430 100.0 0.954 !DANGEROUS LOAD-DO NOT USE!</p><p>Data for burning rate decreased by 10% relative to nominal value:</p><p>-Ba 104 49.40 2764 2358 51011 10184 90.5 1.133</p></blockquote><p></p>
[QUOTE="jimbires, post: 2143523, member: 11011"] same as above except at 70* F . Cartridge : 7 mm-08 Rem. Bullet : .284, 139, Hornady SST InterLock 28202 Useable Case Capaci: 48.816 grain H2O = 3.170 cm³ Cartridge O.A.L. L6: 2.795 inch = 70.99 mm Barrel Length : 22.0 inch = 558.8 mm Powder : Hodgdon H414 ?, Temperature: 70 °F Predicted data by increasing and decreasing the given charge, incremented in steps of 2.0% 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 -20.0 83 39.52 2339 1688 31598 8224 86.3 1.407 -18.0 85 40.51 2400 1778 33823 8506 87.7 1.368 -16.0 87 41.50 2461 1870 36215 8782 89.1 1.330 -14.0 89 42.48 2523 1965 38785 9048 90.4 1.290 -12.0 91 43.47 2585 2062 41550 9306 91.6 1.249 -10.0 93 44.46 2647 2163 44527 9553 92.8 1.209 -08.0 95 45.45 2709 2266 47735 9788 93.8 1.171 -06.0 98 46.44 2772 2372 51199 10010 94.9 1.134 ! Near Maximum ! -04.0 100 47.42 2835 2480 54940 10219 95.8 1.099 ! Near Maximum ! -02.0 102 48.41 2897 2591 58989 10412 96.6 1.065 ! Near Maximum ! +00.0 104 49.40 2960 2704 63372 10589 97.4 1.032 !DANGEROUS LOAD-DO NOT USE! +02.0 106 50.39 3023 2820 68128 10748 98.0 1.000 !DANGEROUS LOAD-DO NOT USE! +04.0 108 51.38 3086 2939 73257 10889 98.6 0.969 !DANGEROUS LOAD-DO NOT USE! +06.0 110 52.36 3148 3059 78822 11010 99.1 0.939 !DANGEROUS LOAD-DO NOT USE! +08.0 112 53.35 3211 3182 84876 11110 99.4 0.910 !DANGEROUS LOAD-DO NOT USE! +10.0 114 54.34 3274 3308 91478 11188 99.7 0.882 !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 104 49.40 3107 2979 76823 10430 100.0 0.954 !DANGEROUS LOAD-DO NOT USE! Data for burning rate decreased by 10% relative to nominal value: -Ba 104 49.40 2764 2358 51011 10184 90.5 1.133 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Any (7mm-08 / H414 [or 760] / 139SST) 1st hand experience?
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