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Rifles, Reloading, Optics, Equipment
Reloading
7WSM with H4831SC & H1000 & Retumbo
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<blockquote data-quote="jmason" data-source="post: 282423" data-attributes="member: 10486"><p>Cartridge : 7 mm WSM</p><p>Bullet : .284, 180, Berger VLD</p><p>Cartridge O.A.L. L6: 2.860 inch or 72.64 mm</p><p>Barrel Length : 26.0 inch or 660.4 mm</p><p>Powder : Hodgdon H1000</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 81 52.00 2225 1978 27272 8824 90.3 1.866</p><p>-18.0 83 53.30 2283 2083 29108 9124 91.7 1.817</p><p>-16.0 85 54.60 2342 2192 31073 9413 93.1 1.769</p><p>-14.0 88 55.90 2401 2304 33177 9689 94.3 1.722</p><p>-12.0 90 57.20 2460 2419 35434 9950 95.4 1.676</p><p>-10.0 92 58.50 2519 2537 37855 10195 96.4 1.629</p><p>-08.0 94 59.80 2579 2658 40455 10421 97.3 1.576</p><p>-06.0 96 61.10 2638 2781 43252 10628 98.1 1.528</p><p>-04.0 98 62.40 2697 2908 46260 10814 98.7 1.480</p><p>-02.0 100 63.70 2756 3037 49499 10977 99.2 1.434</p><p>+00.0 102 65.00 2815 3168 52994 11116 99.6 1.390</p><p>+02.0 104 66.30 2874 3301 56769 11231 99.9 1.347 ! Near Maximum !</p><p>+04.0 106 67.60 2932 3437 60854 11319 100.0 1.306 ! Near Maximum !</p><p>+06.0 108 68.90 2990 3574 65276 11384 100.0 1.266 !DANGEROUS LOAD-DO NOT USE!</p><p>+08.0 110 70.20 3048 3713 70078 11442 100.0 1.227 !DANGEROUS LOAD-DO NOT USE!</p><p>+10.0 112 71.50 3105 3853 75300 11496 100.0 1.189 !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 102 65.00 2948 3473 64721 10649 100.0 1.281 !DANGEROUS LOAD-DO NOT USE!</p><p>Data for burning rate decreased by 10% relative to nominal value:</p><p>-Ba 102 65.00 2624 2752 42914 10952 94.3 1.530</p></blockquote><p></p>
[QUOTE="jmason, post: 282423, member: 10486"] Cartridge : 7 mm WSM Bullet : .284, 180, Berger VLD Cartridge O.A.L. L6: 2.860 inch or 72.64 mm Barrel Length : 26.0 inch or 660.4 mm Powder : Hodgdon H1000 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 81 52.00 2225 1978 27272 8824 90.3 1.866 -18.0 83 53.30 2283 2083 29108 9124 91.7 1.817 -16.0 85 54.60 2342 2192 31073 9413 93.1 1.769 -14.0 88 55.90 2401 2304 33177 9689 94.3 1.722 -12.0 90 57.20 2460 2419 35434 9950 95.4 1.676 -10.0 92 58.50 2519 2537 37855 10195 96.4 1.629 -08.0 94 59.80 2579 2658 40455 10421 97.3 1.576 -06.0 96 61.10 2638 2781 43252 10628 98.1 1.528 -04.0 98 62.40 2697 2908 46260 10814 98.7 1.480 -02.0 100 63.70 2756 3037 49499 10977 99.2 1.434 +00.0 102 65.00 2815 3168 52994 11116 99.6 1.390 +02.0 104 66.30 2874 3301 56769 11231 99.9 1.347 ! Near Maximum ! +04.0 106 67.60 2932 3437 60854 11319 100.0 1.306 ! Near Maximum ! +06.0 108 68.90 2990 3574 65276 11384 100.0 1.266 !DANGEROUS LOAD-DO NOT USE! +08.0 110 70.20 3048 3713 70078 11442 100.0 1.227 !DANGEROUS LOAD-DO NOT USE! +10.0 112 71.50 3105 3853 75300 11496 100.0 1.189 !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 102 65.00 2948 3473 64721 10649 100.0 1.281 !DANGEROUS LOAD-DO NOT USE! Data for burning rate decreased by 10% relative to nominal value: -Ba 102 65.00 2624 2752 42914 10952 94.3 1.530 [/QUOTE]
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Reloading
7WSM with H4831SC & H1000 & Retumbo
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