QL
- Thread starter sako2
- Start date
DrMike
Ballistician
- Nov 8, 2006
- 36,902
- 5,063
Cartridge : 6.5 PRC
Bullet : .264, 140, Hornady BTHP 26335
Useable Case Capaci: 62.894 grain H2O = 4.084 cm³
Cartridge O.A.L. L6: 2.950 inch = 74.93 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Ramshot Magnum
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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
-10.0 89 56.25 2706 2277 43516 11969 98.3 1.413
-09.0 90 56.88 2739 2333 45180 12079 98.7 1.388
-08.0 91 57.50 2773 2390 46916 12180 99.0 1.364
-07.0 92 58.13 2806 2447 48727 12275 99.3 1.340
-06.0 93 58.75 2839 2505 50620 12361 99.5 1.317
-05.0 94 59.38 2872 2564 52597 12439 99.7 1.294
-04.0 95 60.00 2905 2623 54663 12509 99.8 1.271
-03.0 96 60.63 2938 2683 56824 12570 99.9 1.249 ! Near Maximum !
-02.0 97 61.25 2970 2743 59083 12622 100.0 1.227 ! Near Maximum !
-01.0 98 61.88 3003 2803 61432 12665 100.0 1.206 ! Near Maximum !
+00.0 99 62.50 3036 2865 63879 12703 100.0 1.185 ! Near Maximum !
+01.0 100 63.13 3068 2926 66434 12739 100.0 1.165 !DANGEROUS LOAD-DO NOT USE!
+02.0 101 63.75 3100 2988 69102 12774 100.0 1.144 !DANGEROUS LOAD-DO NOT USE!
+03.0 102 64.38 3133 3051 71892 12808 100.0 1.125 !DANGEROUS LOAD-DO NOT USE!
+04.0 103 65.00 3165 3114 74810 12839 100.0 1.105 !DANGEROUS LOAD-DO NOT USE!
+05.0 104 65.63 3197 3177 77864 12869 100.0 1.086 !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 99 62.50 3165 3114 79168 12158 100.0 1.089 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 62.50 2839 2505 49867 12927 97.0 1.314
Bullet : .264, 140, Hornady BTHP 26335
Useable Case Capaci: 62.894 grain H2O = 4.084 cm³
Cartridge O.A.L. L6: 2.950 inch = 74.93 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Ramshot Magnum
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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
-10.0 89 56.25 2706 2277 43516 11969 98.3 1.413
-09.0 90 56.88 2739 2333 45180 12079 98.7 1.388
-08.0 91 57.50 2773 2390 46916 12180 99.0 1.364
-07.0 92 58.13 2806 2447 48727 12275 99.3 1.340
-06.0 93 58.75 2839 2505 50620 12361 99.5 1.317
-05.0 94 59.38 2872 2564 52597 12439 99.7 1.294
-04.0 95 60.00 2905 2623 54663 12509 99.8 1.271
-03.0 96 60.63 2938 2683 56824 12570 99.9 1.249 ! Near Maximum !
-02.0 97 61.25 2970 2743 59083 12622 100.0 1.227 ! Near Maximum !
-01.0 98 61.88 3003 2803 61432 12665 100.0 1.206 ! Near Maximum !
+00.0 99 62.50 3036 2865 63879 12703 100.0 1.185 ! Near Maximum !
+01.0 100 63.13 3068 2926 66434 12739 100.0 1.165 !DANGEROUS LOAD-DO NOT USE!
+02.0 101 63.75 3100 2988 69102 12774 100.0 1.144 !DANGEROUS LOAD-DO NOT USE!
+03.0 102 64.38 3133 3051 71892 12808 100.0 1.125 !DANGEROUS LOAD-DO NOT USE!
+04.0 103 65.00 3165 3114 74810 12839 100.0 1.105 !DANGEROUS LOAD-DO NOT USE!
+05.0 104 65.63 3197 3177 77864 12869 100.0 1.086 !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 99 62.50 3165 3114 79168 12158 100.0 1.089 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 62.50 2839 2505 49867 12927 97.0 1.314
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