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Hjælp med Ql data ( Igen ) nu med Mrp 2 krudt.
#15
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Cartridge : 8 mm Rem. Mag.
Bullet : .323, 160, Barnes 'TTSX' BT 32362
Useable Case Capaci: 87.153 grain H2O = 5.659 cm³
Cartridge O.A.L. L6: 3.591 inch = 91.20 mm
Barrel Length : 20.8 inch = 528.2 mm
Powder : Norma MRP 2

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 95 76,00 2495 2212 30351 11718 80,0 1,313
-18,0 97 77,90 2570 2346 32636 12224 82,0 1,277
-16,0 99 79,80 2646 2488 35119 12724 83,9 1,240
-14,0 102 81,70 2724 2636 37825 13214 85,8 1,205
-12,0 104 83,60 2803 2790 40776 13691 87,6 1,169
-10,0 106 85,50 2883 2952 43996 14151 89,3 1,134
-08,0 109 87,40 2964 3121 47527 14590 90,9 1,093
-06,0 111 89,30 3046 3297 51396 15006 92,4 1,053
-04,0 114 91,20 3129 3479 55648 15394 93,8 1,014
-02,0 116 93,10 3214 3669 60331 15751 95,1 0,976 ! Near Maximum !
+00,0 118 95,00 3298 3865 65502 16073 96,3 0,939 ! Near Maximum !
+02,0 121 96,90 3384 4069 71228 16357 97,3 0,904 !DANGEROUS LOAD-DO NOT USE!
+04,0 123 98,80 3470 4279 77588 16597 98,1 0,869 !DANGEROUS LOAD-DO NOT USE!
+06,0 125 100,70 3557 4495 84672 16792 98,8 0,836 !DANGEROUS LOAD-DO NOT USE!
+08,0 128 102,60 3644 4719 92610 16935 99,4 0,803 !DANGEROUS LOAD-DO NOT USE!
+10,0 130 104,50 3732 4949 101518 17025 99,8 0,772 !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 118 95,00 3510 4378 82457 16030 99,9 0,854 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 118 95,00 3021 3243 51460 15005 87,1 1,048

[Image: asgaard.gif]
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Hjælp med Ql data ( Igen ) nu med Mrp 2 krudt. - af høker - 04-10-2013, 11:33 PM

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