280 Ackley Quickload Please

YoteSmoker

Handloader
Oct 3, 2006
1,602
0
Can someone please run the chart for 150 E-Tip and 150 TTSX please? Barrel is 23" 9 twist and powders I'm interested in trying are RL-22, H4831 SC, H and I 4350. Thanks!
 
Cartridge : .280 Ack Imp
Bullet : .284, 150, Nosler E-Tip 59426
Useable Case Capaci: 64.063 grain H2O = 4.160 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 23.0 inch = 584.2 mm
Powder : IMR 4350

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 75 44.00 2322 1795 32442 8821 91.0 1.461
-18.0 77 45.10 2374 1878 34341 9089 92.1 1.430
-16.0 79 46.20 2427 1962 36329 9350 93.1 1.399
-14.0 81 47.30 2480 2049 38424 9605 94.0 1.369
-12.0 82 48.40 2533 2137 40640 9851 94.9 1.340
-10.0 84 49.50 2585 2226 42983 10089 95.7 1.311
-08.0 86 50.60 2638 2318 45461 10317 96.4 1.283
-06.0 88 51.70 2690 2411 48081 10535 97.1 1.256
-04.0 90 52.80 2743 2506 50852 10742 97.7 1.229 ! Near Maximum !
-02.0 92 53.90 2795 2602 53784 10937 98.2 1.198 ! Near Maximum !
+00.0 94 55.00 2847 2699 56887 11119 98.7 1.167 ! Near Maximum !
+02.0 96 56.10 2899 2798 60172 11288 99.1 1.137 !DANGEROUS LOAD-DO NOT USE!
+04.0 97 57.20 2950 2899 63651 11443 99.4 1.108 !DANGEROUS LOAD-DO NOT USE!
+06.0 99 58.30 3001 3000 67338 11584 99.7 1.080 !DANGEROUS LOAD-DO NOT USE!
+08.0 101 59.40 3052 3103 71248 11709 99.9 1.053 !DANGEROUS LOAD-DO NOT USE!
+10.0 103 60.50 3103 3207 75397 11818 100.0 1.026 !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 94 55.00 2962 2922 66113 10892 100.0 1.091 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 94 55.00 2692 2414 47830 10849 93.7 1.258

Cartridge : .280 Ack Imp
Bullet : .284, 150, Nosler E-Tip 59426
Useable Case Capaci: 64.063 grain H2O = 4.160 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 23.0 inch = 584.2 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 77 44.40 2335 1817 32917 8898 91.1 1.453
-18.0 79 45.51 2389 1900 34858 9168 92.2 1.421
-16.0 81 46.62 2442 1986 36891 9431 93.2 1.391
-14.0 83 47.73 2495 2074 39036 9686 94.1 1.360
-12.0 85 48.84 2548 2163 41306 9933 95.0 1.331
-10.0 86 49.95 2602 2254 43708 10171 95.8 1.303
-08.0 88 51.06 2655 2347 46250 10400 96.5 1.275
-06.0 90 52.17 2707 2442 48940 10617 97.2 1.247
-04.0 92 53.28 2760 2538 51786 10823 97.8 1.220 ! Near Maximum !
-02.0 94 54.39 2813 2635 54800 11017 98.3 1.188 ! Near Maximum !
+00.0 96 55.50 2865 2734 57991 11198 98.8 1.157 ! Near Maximum !
+02.0 98 56.61 2917 2835 61373 11365 99.2 1.127 !DANGEROUS LOAD-DO NOT USE!
+04.0 100 57.72 2969 2937 64957 11518 99.5 1.098 !DANGEROUS LOAD-DO NOT USE!
+06.0 102 58.83 3021 3040 68759 11656 99.7 1.069 !DANGEROUS LOAD-DO NOT USE!
+08.0 104 59.94 3072 3144 72794 11778 99.9 1.042 !DANGEROUS LOAD-DO NOT USE!
+10.0 106 61.05 3123 3249 77080 11884 100.0 1.016 !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 96 55.50 2980 2958 67416 10957 100.0 1.081 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 96 55.50 2710 2446 48736 10939 93.8 1.248

Cartridge : .280 Ack Imp
Bullet : .284, 150, Nosler E-Tip 59426
Useable Case Capaci: 64.063 grain H2O = 4.160 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 23.0 inch = 584.2 mm
Powder : Hodgdon H4831 SC

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 80 47.60 2298 1759 30549 8998 84.7 1.492
-18.0 82 48.79 2355 1847 32483 9316 86.1 1.456
-16.0 84 49.98 2413 1939 34549 9630 87.4 1.421
-14.0 86 51.17 2471 2033 36756 9939 88.7 1.386
-12.0 88 52.36 2529 2131 39118 10242 89.9 1.352
-10.0 90 53.55 2588 2231 41644 10537 91.1 1.319
-08.0 92 54.74 2647 2334 44350 10823 92.2 1.286
-06.0 94 55.93 2707 2440 47249 11100 93.2 1.254
-04.0 96 57.12 2767 2550 50361 11365 94.2 1.223 ! Near Maximum !
-02.0 98 58.31 2827 2662 53703 11618 95.1 1.190 ! Near Maximum !
+00.0 100 59.50 2887 2776 57297 11857 96.0 1.154 ! Near Maximum !
+02.0 102 60.69 2948 2894 61166 12082 96.8 1.120 !DANGEROUS LOAD-DO NOT USE!
+04.0 104 61.88 3008 3015 65338 12290 97.5 1.087 !DANGEROUS LOAD-DO NOT USE!
+06.0 106 63.07 3069 3138 69829 12481 98.1 1.054 !DANGEROUS LOAD-DO NOT USE!
+08.0 108 64.26 3130 3264 74649 12653 98.6 1.023 !DANGEROUS LOAD-DO NOT USE!
+10.0 110 65.45 3192 3393 79852 12805 99.1 0.993 !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 100 59.50 3035 3068 68181 11931 99.6 1.070 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 100 59.50 2699 2426 47174 11222 88.7 1.252

Cartridge : .280 Ack Imp
Bullet : .284, 150, Nosler E-Tip 59426
Useable Case Capaci: 64.063 grain H2O = 4.160 cm³
Cartridge O.A.L. L6: 3.330 inch = 84.58 mm
Barrel Length : 23.0 inch = 584.2 mm
Powder : Alliant Reloder-22

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 81 48.40 2342 1828 29994 9777 87.5 1.500
-18.0 83 49.61 2402 1921 31909 10117 88.9 1.465
-16.0 85 50.82 2461 2017 33955 10451 90.2 1.430
-14.0 87 52.03 2521 2117 36144 10775 91.4 1.395
-12.0 89 53.24 2581 2219 38490 11090 92.6 1.361
-10.0 91 54.45 2642 2325 41002 11394 93.7 1.328
-08.0 93 55.66 2703 2433 43695 11685 94.8 1.296
-06.0 95 56.87 2764 2544 46584 11961 95.7 1.264
-04.0 97 58.08 2825 2658 49686 12222 96.6 1.233
-02.0 99 59.29 2886 2774 53021 12465 97.3 1.201 ! Near Maximum !
+00.0 101 60.50 2947 2893 56609 12690 98.0 1.165 ! Near Maximum !
+02.0 103 61.71 3009 3015 60458 12895 98.6 1.130 !DANGEROUS LOAD-DO NOT USE!
+04.0 105 62.92 3070 3139 64565 13079 99.1 1.096 !DANGEROUS LOAD-DO NOT USE!
+06.0 107 64.13 3131 3265 68970 13239 99.5 1.064 !DANGEROUS LOAD-DO NOT USE!
+08.0 109 65.34 3192 3394 73710 13376 99.7 1.033 !DANGEROUS LOAD-DO NOT USE!
+10.0 111 66.55 3253 3524 78823 13488 99.9 1.002 !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 101 60.50 3099 3198 68546 12468 100.0 1.074 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 101 60.50 2745 2510 45571 12172 91.3 1.269
 
Thank you very much Dr. Mike! Looks like 4831 and RL-22 will be the best place to start and hope for accuracy with the velocity.
 
YoteSmoker":hyc9hm6l said:
Thank you very much Dr. Mike! Looks like 4831 and RL-22 will be the best place to start and hope for accuracy with the velocity.

Randy,

I would start with RL 22. :wink:

JD338
 
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