QL help? 6.5x47 with 129 LRAB
- Thread starter MAinAR
- Start date
- Thread starter
- #3
DrMike
Ballistician
- Nov 8, 2006
- 37,222
- 5,723
Code:
Cartridge : 6.5 x 47 Lapua
Bullet : .264, 129, Nosler AccuBond LR 58943 G7
Useable Case Capaci: 43.039 grain H2O = 2.794 cm³
Cartridge O.A.L. L6: 2.800 inch = 71.12 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Hodgdon VARGET
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 30.08 2312 1532 33805 7041 95.4 1.510
-18.0 80 30.83 2363 1600 35901 7226 96.2 1.475
-16.0 82 31.58 2414 1670 38117 7403 96.9 1.437
-14.0 84 32.34 2465 1740 40461 7572 97.6 1.396
-12.0 86 33.09 2515 1812 42940 7733 98.1 1.358
-10.0 88 33.84 2565 1885 45563 7884 98.6 1.322
-08.0 90 34.59 2615 1959 48338 8025 99.0 1.286
-06.0 92 35.34 2664 2033 51275 8156 99.4 1.253
-04.0 94 36.10 2713 2109 54385 8277 99.7 1.220 ! Near Maximum !
-02.0 96 36.85 2762 2185 57679 8386 99.9 1.189 ! Near Maximum !
+00.0 98 37.60 2810 2262 61169 8483 100.0 1.159 ! Near Maximum !
+02.0 100 38.35 2858 2340 64871 8569 100.0 1.129 !DANGEROUS LOAD-DO NOT USE!
+04.0 102 39.10 2906 2418 68798 8648 100.0 1.101 !DANGEROUS LOAD-DO NOT USE!
+06.0 104 39.86 2953 2497 72969 8724 100.0 1.074 !DANGEROUS LOAD-DO NOT USE!
+08.0 106 40.61 2999 2577 77402 8798 100.0 1.048 !DANGEROUS LOAD-DO NOT USE!
+10.0 108 41.36 3046 2657 82118 8870 100.0 1.023 !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 37.60 2899 2406 71133 8189 100.0 1.090 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 98 37.60 2681 2058 51298 8561 97.3 1.249
Code:
Cartridge : 6.5 x 47 Lapua
Bullet : .264, 129, Nosler AccuBond LR 58943 G7
Useable Case Capaci: 43.039 grain H2O = 2.794 cm³
Cartridge O.A.L. L6: 2.800 inch = 71.12 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Hodgdon H4350
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 86 33.20 2278 1486 31947 7117 88.7 1.543
-18.0 88 34.03 2333 1559 34076 7341 89.9 1.501
-16.0 90 34.86 2388 1634 36356 7560 91.1 1.460
-14.0 92 35.69 2444 1710 38786 7772 92.2 1.418
-12.0 94 36.52 2499 1789 41381 7977 93.2 1.376
-10.0 96 37.35 2555 1869 44156 8174 94.2 1.336
-08.0 98 38.18 2610 1951 47122 8362 95.1 1.297
-06.0 101 39.01 2665 2035 50298 8540 95.9 1.260
-04.0 103 39.84 2721 2120 53672 8708 96.6 1.224 ! Near Maximum !
-02.0 105 40.67 2776 2207 57273 8865 97.3 1.189 ! Near Maximum !
+00.0 107 41.50 2831 2296 61132 9010 97.9 1.156 ! Near Maximum !
+02.0 109 42.33 2886 2386 65272 9143 98.4 1.123 !DANGEROUS LOAD-DO NOT USE!
+04.0 111 43.16 2941 2478 69717 9263 98.9 1.092 !DANGEROUS LOAD-DO NOT USE!
+06.0 113 43.99 2996 2572 74498 9369 99.3 1.062 !DANGEROUS LOAD-DO NOT USE!
+08.0 115 44.82 3051 2666 79647 9460 99.6 1.032 !DANGEROUS LOAD-DO NOT USE!
+10.0 118 45.65 3106 2763 85202 9536 99.8 1.004 !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 107 41.50 2954 2499 72307 8854 100.0 1.078 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 107 41.50 2667 2038 50278 8747 92.1 1.256- Thread starter
- #5
DrMike
Ballistician
- Nov 8, 2006
- 37,222
- 5,723
Glad to help, Dewey. You're really good to be on top of this. I just so happened to be hanging around between writing assignments today.
