This is for RL26
Code:
Cartridge : .280 Rem.
Bullet : .284, 145, Barnes 'LRX'BT 30282
Useable Case Capaci: 58.029 grain H2O = 3.768 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-26
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 82 47.10 2353 1783 27359 9215 89.6 1.545
-09.0 83 47.62 2381 1826 28150 9363 90.3 1.528
-08.0 84 48.14 2410 1869 28966 9509 91.0 1.511
-07.0 85 48.67 2438 1914 29810 9652 91.6 1.494
-06.0 86 49.19 2467 1959 30682 9792 92.3 1.477
-05.0 86 49.71 2496 2005 31585 9930 92.9 1.460
-04.0 87 50.24 2525 2052 32518 10065 93.5 1.444
-03.0 88 50.76 2554 2100 33484 10196 94.1 1.427
-02.0 89 51.28 2583 2148 34484 10323 94.7 1.411
-01.0 90 51.81 2612 2197 35519 10447 95.2 1.395
+00.0 91 52.33 2641 2246 36590 10567 95.7 1.379
+01.0 92 52.85 2671 2297 37699 10683 96.2 1.363
+02.0 93 53.38 2700 2348 38849 10795 96.7 1.347
+03.0 94 53.90 2730 2399 40040 10901 97.1 1.331
+04.0 95 54.42 2759 2452 41274 11004 97.5 1.315
+05.0 96 54.95 2789 2505 42553 11101 97.9 1.300
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 91 52.33 2829 2577 45198 10598 99.9 1.280
Data for burning rate decreased by 10% relative to nominal value:
-Ba 91 52.33 2404 1860 29575 9638 85.0 1.497