Hornady BTSP 165gr 308win vectan sp7
: piątek, 11 listopada 2022, 15:53
Ma być nabój na dzika/jelenia więc chciałbym rozpędzić ile się da, karabin tikka t3 hunter
Cartridge : .308 Win. (CIP)
Bullet : .308, 165, Hornady BTSP 3045
Useable Case Capaci: 48.081 grain H2O = 3.122 cm3
Cartridge O.A.L. L6: 2.744 inch = 69.70 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : SNPE Vectan SP 7
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 77 36,80 2167 1720 29153 5780 87,4 1,570
-18,0 79 37,72 2221 1807 31109 5964 88,6 1,527
-16,0 81 38,64 2274 1895 33201 6143 89,8 1,486
-14,0 83 39,56 2328 1986 35439 6317 90,9 1,446
-12,0 85 40,48 2382 2080 37835 6486 92,0 1,405
-10,0 87 41,40 2436 2175 40400 6648 93,0 1,363
-08,0 89 42,32 2491 2273 43147 6803 94,0 1,323
-06,0 91 43,24 2545 2373 46093 6951 94,8 1,284
-04,0 93 44,16 2599 2474 49254 7091 95,7 1,246
-02,0 95 45,08 2653 2579 52648 7222 96,4 1,210 ! Near Maximum !
+00,0 97 46,00 2707 2685 56298 7344 97,1 1,175 ! Near Maximum !
+02,0 99 46,92 2761 2793 60227 7456 97,7 1,141 !DANGEROUS LOAD-DO NOT USE!
+04,0 101 47,84 2815 2903 64463 7558 98,3 1,109 !DANGEROUS LOAD-DO NOT USE!
+06,0 103 48,76 2869 3016 69036 7648 98,7 1,077 !DANGEROUS LOAD-DO NOT USE!
+08,0 104 49,68 2923 3130 73983 7727 99,1 1,046 !DANGEROUS LOAD-DO NOT USE!
+10,0 106 50,60 2977 3246 79343 7793 99,5 1,017 !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 46,00 2834 2942 67355 7248 99,9 1,091 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 97 46,00 2539 2362 45701 7097 90,6 1,285
Planuję na początek 5 grup od 44,00 do 45,00 - co o tym sądzicie?
Cartridge : .308 Win. (CIP)
Bullet : .308, 165, Hornady BTSP 3045
Useable Case Capaci: 48.081 grain H2O = 3.122 cm3
Cartridge O.A.L. L6: 2.744 inch = 69.70 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : SNPE Vectan SP 7
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 77 36,80 2167 1720 29153 5780 87,4 1,570
-18,0 79 37,72 2221 1807 31109 5964 88,6 1,527
-16,0 81 38,64 2274 1895 33201 6143 89,8 1,486
-14,0 83 39,56 2328 1986 35439 6317 90,9 1,446
-12,0 85 40,48 2382 2080 37835 6486 92,0 1,405
-10,0 87 41,40 2436 2175 40400 6648 93,0 1,363
-08,0 89 42,32 2491 2273 43147 6803 94,0 1,323
-06,0 91 43,24 2545 2373 46093 6951 94,8 1,284
-04,0 93 44,16 2599 2474 49254 7091 95,7 1,246
-02,0 95 45,08 2653 2579 52648 7222 96,4 1,210 ! Near Maximum !
+00,0 97 46,00 2707 2685 56298 7344 97,1 1,175 ! Near Maximum !
+02,0 99 46,92 2761 2793 60227 7456 97,7 1,141 !DANGEROUS LOAD-DO NOT USE!
+04,0 101 47,84 2815 2903 64463 7558 98,3 1,109 !DANGEROUS LOAD-DO NOT USE!
+06,0 103 48,76 2869 3016 69036 7648 98,7 1,077 !DANGEROUS LOAD-DO NOT USE!
+08,0 104 49,68 2923 3130 73983 7727 99,1 1,046 !DANGEROUS LOAD-DO NOT USE!
+10,0 106 50,60 2977 3246 79343 7793 99,5 1,017 !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 46,00 2834 2942 67355 7248 99,9 1,091 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 97 46,00 2539 2362 45701 7097 90,6 1,285
Planuję na początek 5 grup od 44,00 do 45,00 - co o tym sądzicie?