06-02-2012, 02:41 PM
Efter min mening er N170 for langsomt og ineffektivt til den kaliber og kugle ....
Med en COL på 91 mm skal du lave en kraftigt komprimeret ladning for bare at nå 2600 fps...
Cartridge : 8 mm Rem. Mag.
Bullet : .323, 250, Woodleigh SN WeldCore 64D
Useable Case Capaci: 85.098 grain H2O = 5.525 cm³
Cartridge O.A.L. L6: 3.583 inch = 91.00 mm
Barrel Length : 23.6 inch = 600.0 mm
Powder : Vihtavuori N170
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 88 68,28 2104 2458 31395 9795 84,9 1,737
-18,0 90 69,99 2161 2593 33610 10147 86,4 1,689
-16,0 92 71,69 2218 2732 35988 10492 87,8 1,643
-14,0 95 73,40 2276 2876 38542 10831 89,1 1,593
-12,0 97 75,11 2334 3024 41286 11160 90,4 1,539
-10,0 99 76,82 2392 3177 44236 11480 91,6 1,488
-08,0 101 78,52 2451 3335 47410 11788 92,7 1,439
-06,0 103 80,23 2510 3497 50829 12083 93,8 1,392
-04,0 106 81,94 2569 3664 54514 12363 94,8 1,346
-02,0 108 83,64 2629 3836 58493 12628 95,7 1,302 ! Near Maximum !
+00,0 110 85,35 2688 4012 62793 12875 96,5 1,260 ! Near Maximum !
+02,0 112 87,06 2748 4193 67449 13103 97,3 1,219 !DANGEROUS LOAD-DO NOT USE!
+04,0 114 88,76 2809 4379 72499 13311 98,0 1,179 !DANGEROUS LOAD-DO NOT USE!
+06,0 117 90,47 2869 4569 77988 13496 98,5 1,141 !DANGEROUS LOAD-DO NOT USE!
+08,0 119 92,18 2930 4764 83965 13658 99,0 1,104 !DANGEROUS LOAD-DO NOT USE!
+10,0 121 93,89 2990 4964 90492 13794 99,4 1,068 !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 110 85,35 2828 4440 75447 12855 99,8 1,161 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 110 85,35 2506 3487 50603 12268 89,4 1,389
Det duer altså ikke rigtigt......[B)]
Jeg vil bestemt foreslå MRP eller VVN560 det er langt mere effektivt.
N560
Cartridge : 8 mm Rem. Mag.
Bullet : .323, 250, Woodleigh SN WeldCore 64D
Useable Case Capaci: 85.098 grain H2O = 5.525 cm³
Cartridge O.A.L. L6: 3.583 inch = 91.00 mm
Barrel Length : 23.6 inch = 600.0 mm
Powder : Vihtavuori N560
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 78 62,83 2216 2727 32861 10813 92,2 1,674
-18,0 80 64,40 2272 2866 35090 11151 93,3 1,630
-16,0 82 65,97 2328 3008 37473 11478 94,4 1,586
-14,0 84 67,54 2384 3154 40016 11790 95,4 1,536
-12,0 86 69,12 2439 3304 42735 12087 96,3 1,489
-10,0 88 70,69 2495 3456 45630 12368 97,1 1,443
-08,0 90 72,26 2551 3611 48690 12631 97,9 1,400
-06,0 92 73,83 2606 3770 51943 12874 98,5 1,358
-04,0 94 75,40 2661 3931 55409 13097 99,0 1,317
-02,0 96 76,97 2716 4095 59103 13298 99,4 1,278 ! Near Maximum !
+00,0 98 78,54 2771 4261 63044 13477 99,7 1,241 ! Near Maximum !
+02,0 100 80,11 2825 4430 67251 13632 99,9 1,205 !DANGEROUS LOAD-DO NOT USE!
+04,0 102 81,68 2879 4601 71745 13762 100,0 1,170 !DANGEROUS LOAD-DO NOT USE!
+06,0 104 83,25 2932 4773 76550 13869 100,0 1,136 !DANGEROUS LOAD-DO NOT USE!
+08,0 106 84,82 2985 4948 81693 13971 100,0 1,104 !DANGEROUS LOAD-DO NOT USE!
+10,0 108 86,39 3038 5124 87204 14067 100,0 1,073 !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 98 78,54 2888 4629 75838 12973 100,0 1,148 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 98 78,54 2602 3758 50566 13370 95,3 1,364
Norma MRP
Cartridge : 8 mm Rem. Mag.
Bullet : .323, 250, Woodleigh SN WeldCore 64D
Useable Case Capaci: 85.098 grain H2O = 5.525 cm³
Cartridge O.A.L. L6: 3.583 inch = 91.00 mm
Barrel Length : 23.6 inch = 600.0 mm
Powder : Norma MRP
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 76 62,40 2203 2693 31648 10759 95,7 1,706
-18,0 78 63,96 2257 2829 33824 11060 96,7 1,661
-16,0 80 65,52 2312 2968 36146 11344 97,5 1,617
-14,0 82 67,08 2367 3110 38641 11609 98,2 1,569
-12,0 84 68,64 2421 3254 41319 11854 98,8 1,521
-10,0 86 70,20 2475 3401 44149 12077 99,3 1,474
-08,0 88 71,76 2529 3551 47145 12277 99,7 1,429
-06,0 90 73,32 2583 3702 50337 12452 99,9 1,385
-04,0 91 74,88 2636 3856 53738 12603 100,0 1,344
-02,0 93 76,44 2688 4011 57364 12734 100,0 1,304 ! Near Maximum !
+00,0 95 78,00 2740 4168 61232 12860 100,0 1,266 ! Near Maximum !
+02,0 97 79,56 2792 4326 65361 12982 100,0 1,229 ! Near Maximum !
+04,0 99 81,12 2843 4486 69772 13100 100,0 1,193 !DANGEROUS LOAD-DO NOT USE!
+06,0 101 82,68 2894 4648 74489 13215 100,0 1,159 !DANGEROUS LOAD-DO NOT USE!
+08,0 103 84,24 2944 4811 79537 13325 100,0 1,125 !DANGEROUS LOAD-DO NOT USE!
+10,0 105 85,80 2994 4977 84945 13431 100,0 1,093 !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 95 78,00 2844 4490 74282 12388 100,0 1,169 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 95 78,00 2582 3700 48457 13188 98,1 1,396
Good luck!
Hilsner
Dravis aka:FMJ
"Sapere Aude: Dare to KNOW!"
"Do not adjust your mind, there's a fault in reality"
Med en COL på 91 mm skal du lave en kraftigt komprimeret ladning for bare at nå 2600 fps...
Cartridge : 8 mm Rem. Mag.
Bullet : .323, 250, Woodleigh SN WeldCore 64D
Useable Case Capaci: 85.098 grain H2O = 5.525 cm³
Cartridge O.A.L. L6: 3.583 inch = 91.00 mm
Barrel Length : 23.6 inch = 600.0 mm
Powder : Vihtavuori N170
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 88 68,28 2104 2458 31395 9795 84,9 1,737
-18,0 90 69,99 2161 2593 33610 10147 86,4 1,689
-16,0 92 71,69 2218 2732 35988 10492 87,8 1,643
-14,0 95 73,40 2276 2876 38542 10831 89,1 1,593
-12,0 97 75,11 2334 3024 41286 11160 90,4 1,539
-10,0 99 76,82 2392 3177 44236 11480 91,6 1,488
-08,0 101 78,52 2451 3335 47410 11788 92,7 1,439
-06,0 103 80,23 2510 3497 50829 12083 93,8 1,392
-04,0 106 81,94 2569 3664 54514 12363 94,8 1,346
-02,0 108 83,64 2629 3836 58493 12628 95,7 1,302 ! Near Maximum !
+00,0 110 85,35 2688 4012 62793 12875 96,5 1,260 ! Near Maximum !
+02,0 112 87,06 2748 4193 67449 13103 97,3 1,219 !DANGEROUS LOAD-DO NOT USE!
+04,0 114 88,76 2809 4379 72499 13311 98,0 1,179 !DANGEROUS LOAD-DO NOT USE!
+06,0 117 90,47 2869 4569 77988 13496 98,5 1,141 !DANGEROUS LOAD-DO NOT USE!
+08,0 119 92,18 2930 4764 83965 13658 99,0 1,104 !DANGEROUS LOAD-DO NOT USE!
+10,0 121 93,89 2990 4964 90492 13794 99,4 1,068 !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 110 85,35 2828 4440 75447 12855 99,8 1,161 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 110 85,35 2506 3487 50603 12268 89,4 1,389
Det duer altså ikke rigtigt......[B)]
Jeg vil bestemt foreslå MRP eller VVN560 det er langt mere effektivt.
N560
Cartridge : 8 mm Rem. Mag.
Bullet : .323, 250, Woodleigh SN WeldCore 64D
Useable Case Capaci: 85.098 grain H2O = 5.525 cm³
Cartridge O.A.L. L6: 3.583 inch = 91.00 mm
Barrel Length : 23.6 inch = 600.0 mm
Powder : Vihtavuori N560
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 78 62,83 2216 2727 32861 10813 92,2 1,674
-18,0 80 64,40 2272 2866 35090 11151 93,3 1,630
-16,0 82 65,97 2328 3008 37473 11478 94,4 1,586
-14,0 84 67,54 2384 3154 40016 11790 95,4 1,536
-12,0 86 69,12 2439 3304 42735 12087 96,3 1,489
-10,0 88 70,69 2495 3456 45630 12368 97,1 1,443
-08,0 90 72,26 2551 3611 48690 12631 97,9 1,400
-06,0 92 73,83 2606 3770 51943 12874 98,5 1,358
-04,0 94 75,40 2661 3931 55409 13097 99,0 1,317
-02,0 96 76,97 2716 4095 59103 13298 99,4 1,278 ! Near Maximum !
+00,0 98 78,54 2771 4261 63044 13477 99,7 1,241 ! Near Maximum !
+02,0 100 80,11 2825 4430 67251 13632 99,9 1,205 !DANGEROUS LOAD-DO NOT USE!
+04,0 102 81,68 2879 4601 71745 13762 100,0 1,170 !DANGEROUS LOAD-DO NOT USE!
+06,0 104 83,25 2932 4773 76550 13869 100,0 1,136 !DANGEROUS LOAD-DO NOT USE!
+08,0 106 84,82 2985 4948 81693 13971 100,0 1,104 !DANGEROUS LOAD-DO NOT USE!
+10,0 108 86,39 3038 5124 87204 14067 100,0 1,073 !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 98 78,54 2888 4629 75838 12973 100,0 1,148 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 98 78,54 2602 3758 50566 13370 95,3 1,364
Norma MRP
Cartridge : 8 mm Rem. Mag.
Bullet : .323, 250, Woodleigh SN WeldCore 64D
Useable Case Capaci: 85.098 grain H2O = 5.525 cm³
Cartridge O.A.L. L6: 3.583 inch = 91.00 mm
Barrel Length : 23.6 inch = 600.0 mm
Powder : Norma MRP
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 76 62,40 2203 2693 31648 10759 95,7 1,706
-18,0 78 63,96 2257 2829 33824 11060 96,7 1,661
-16,0 80 65,52 2312 2968 36146 11344 97,5 1,617
-14,0 82 67,08 2367 3110 38641 11609 98,2 1,569
-12,0 84 68,64 2421 3254 41319 11854 98,8 1,521
-10,0 86 70,20 2475 3401 44149 12077 99,3 1,474
-08,0 88 71,76 2529 3551 47145 12277 99,7 1,429
-06,0 90 73,32 2583 3702 50337 12452 99,9 1,385
-04,0 91 74,88 2636 3856 53738 12603 100,0 1,344
-02,0 93 76,44 2688 4011 57364 12734 100,0 1,304 ! Near Maximum !
+00,0 95 78,00 2740 4168 61232 12860 100,0 1,266 ! Near Maximum !
+02,0 97 79,56 2792 4326 65361 12982 100,0 1,229 ! Near Maximum !
+04,0 99 81,12 2843 4486 69772 13100 100,0 1,193 !DANGEROUS LOAD-DO NOT USE!
+06,0 101 82,68 2894 4648 74489 13215 100,0 1,159 !DANGEROUS LOAD-DO NOT USE!
+08,0 103 84,24 2944 4811 79537 13325 100,0 1,125 !DANGEROUS LOAD-DO NOT USE!
+10,0 105 85,80 2994 4977 84945 13431 100,0 1,093 !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 95 78,00 2844 4490 74282 12388 100,0 1,169 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 95 78,00 2582 3700 48457 13188 98,1 1,396
Good luck!
Hilsner
Dravis aka:FMJ
"Sapere Aude: Dare to KNOW!"
"Do not adjust your mind, there's a fault in reality"
Hilsner
Dravis aka:FMJ
"Sapere Aude: Dare to KNOW!"
"Do not adjust your mind, there's a fault in reality"
"Når to deler et ansvar, så er der to procent til hver"
Dravis aka:FMJ
"Sapere Aude: Dare to KNOW!"
"Do not adjust your mind, there's a fault in reality"
"Når to deler et ansvar, så er der to procent til hver"