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Joined: Jul 2015
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If someone can run the following QL simulation for powders, I would be greatly appreciative.

33 Nosler
225 TTSX
COAL 3.350"
22" barrel

I am having a hard time identifying good powders and starting charges. The lack of the best powders available is only making it tougher. In the general burn rate area, I have Accurate 4350, IMR4350, Hybrid 100V, Staball 6.5, IMR7828. I believe RL 17 and 26 will go well but I've only got a little 17 left and I haven't seen either of those for sale in almost 2 years.

Last edited by akmtnrunner; 10/01/23.
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Cartridge : .33 Nosler
Bullet : .338, 225, Barnes 'TTSX' S 30430
Useable Case Capaci: 80.847 grain H2O = 5.249 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Accurate 4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 0.113% 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

-01.1 98 73.17 2807 3937 61136 11287 100.0 1.141 ! Near Maximum !
-01.0 98 73.25 2810 3946 61371 11292 100.0 1.139 ! Near Maximum !
-00.9 98 73.33 2813 3955 61607 11297 100.0 1.137 ! Near Maximum !
-00.8 99 73.42 2817 3963 61844 11302 100.0 1.135 ! Near Maximum !
-00.7 99 73.50 2820 3972 62082 11307 100.0 1.133 ! Near Maximum !
-00.6 99 73.58 2823 3981 62321 11312 100.0 1.131 ! Near Maximum !
-00.5 99 73.67 2826 3990 62561 11317 100.0 1.129 ! Near Maximum !
-00.3 99 73.75 2829 3998 62802 11322 100.0 1.127 ! Near Maximum !
-00.2 99 73.83 2832 4007 63044 11327 100.0 1.125 ! Near Maximum !
-00.1 99 73.92 2835 4016 63287 11331 100.0 1.123 ! Near Maximum !
+00.0 99 74.00 2838 4024 63530 11336 100.0 1.121 ! Near Maximum !
+00.1 99 74.08 2841 4033 63775 11341 100.0 1.119 ! Near Maximum !
+00.2 100 74.17 2844 4042 64021 11346 100.0 1.117 ! Near Maximum !
+00.3 100 74.25 2847 4051 64268 11351 100.0 1.115 ! Near Maximum !
+00.5 100 74.33 2851 4060 64516 11356 100.0 1.113 !DANGEROUS LOAD-DO NOT USE!
+00.6 100 74.42 2854 4068 64765 11361 100.0 1.111 !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 74.00 2946 4337 76957 10863 100.0 1.035 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 74.00 2674 3572 50397 11604 97.6 1.239


Cartridge : .33 Nosler
Bullet : .338, 225, Barnes 'TTSX' S 30430
Useable Case Capaci: 80.847 grain H2O = 5.249 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 0.111% 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

-01.1 100 74.17 2790 3889 62743 11176 99.1 1.106 ! Near Maximum !
-01.0 100 74.25 2793 3897 62961 11185 99.1 1.104 ! Near Maximum !
-00.9 100 74.33 2796 3905 63180 11194 99.1 1.103 ! Near Maximum !
-00.8 100 74.42 2799 3913 63399 11203 99.1 1.101 ! Near Maximum !
-00.7 101 74.50 2802 3922 63620 11212 99.2 1.099 ! Near Maximum !
-00.6 101 74.58 2805 3930 63841 11221 99.2 1.098 ! Near Maximum !
-00.4 101 74.67 2808 3938 64063 11229 99.2 1.096 ! Near Maximum !
-00.3 101 74.75 2811 3946 64285 11238 99.2 1.094 !DANGEROUS LOAD-DO NOT USE!
-00.2 101 74.83 2813 3955 64509 11247 99.2 1.093 !DANGEROUS LOAD-DO NOT USE!
-00.1 101 74.92 2816 3963 64733 11255 99.3 1.091 !DANGEROUS LOAD-DO NOT USE!
+00.0 101 75.00 2819 3971 64958 11264 99.3 1.089 !DANGEROUS LOAD-DO NOT USE!
+00.1 101 75.08 2822 3980 65184 11272 99.3 1.087 !DANGEROUS LOAD-DO NOT USE!
+00.2 101 75.17 2825 3988 65411 11281 99.3 1.086 !DANGEROUS LOAD-DO NOT USE!
+00.3 102 75.25 2828 3996 65639 11289 99.3 1.084 !DANGEROUS LOAD-DO NOT USE!
+00.4 102 75.33 2831 4005 65867 11297 99.4 1.082 !DANGEROUS LOAD-DO NOT USE!
+00.6 102 75.42 2834 4013 66096 11305 99.4 1.081 !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 75.00 2927 4280 76131 10926 100.0 1.018 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 101 75.00 2669 3560 53963 11114 94.9 1.182


Cartridge : .33 Nosler
Bullet : .338, 225, Barnes 'TTSX' S 30430
Useable Case Capaci: 80.847 grain H2O = 5.249 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Hodgdon Hybrid 100V

Predicted data by increasing and decreasing the given charge,
incremented in steps of 0.112% 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

-01.1 102 73.67 2790 3888 62381 10444 100.0 1.114 ! Near Maximum !
-01.0 102 73.75 2792 3896 62612 10449 100.0 1.112 ! Near Maximum !
-00.9 102 73.83 2795 3904 62845 10454 100.0 1.110 ! Near Maximum !
-00.8 103 73.92 2798 3912 63078 10459 100.0 1.108 ! Near Maximum !
-00.7 103 74.00 2801 3919 63312 10464 100.0 1.107 ! Near Maximum !
-00.6 103 74.08 2804 3927 63547 10469 100.0 1.105 ! Near Maximum !
-00.4 103 74.17 2807 3935 63783 10474 100.0 1.103 ! Near Maximum !
-00.3 103 74.25 2809 3943 64020 10479 100.0 1.101 ! Near Maximum !
-00.2 103 74.33 2812 3951 64258 10484 100.0 1.099 ! Near Maximum !
-00.1 103 74.42 2815 3959 64497 10489 100.0 1.098 !DANGEROUS LOAD-DO NOT USE!
+00.0 103 74.50 2818 3967 64737 10494 100.0 1.096 !DANGEROUS LOAD-DO NOT USE!
+00.1 103 74.58 2821 3975 64977 10499 100.0 1.094 !DANGEROUS LOAD-DO NOT USE!
+00.2 104 74.67 2823 3982 65218 10504 100.0 1.092 !DANGEROUS LOAD-DO NOT USE!
+00.3 104 74.75 2826 3990 65461 10509 100.0 1.090 !DANGEROUS LOAD-DO NOT USE!
+00.4 104 74.83 2829 3998 65704 10514 100.0 1.089 !DANGEROUS LOAD-DO NOT USE!
+00.6 104 74.92 2832 4006 65949 10519 100.0 1.087 !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 103 74.50 2906 4218 77608 10110 100.0 1.021 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 103 74.50 2682 3594 52032 10945 99.3 1.197


Cartridge : .33 Nosler
Bullet : .338, 225, Barnes 'TTSX' S 30430
Useable Case Capaci: 80.847 grain H2O = 5.249 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 7828

Predicted data by increasing and decreasing the given charge,
incremented in steps of 0.102% 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

-01.0 112 81.17 2888 4167 62061 12756 97.2 1.091 ! Near Maximum !
-00.9 112 81.25 2891 4177 62297 12767 97.2 1.089 ! Near Maximum !
-00.8 112 81.33 2895 4187 62534 12778 97.3 1.087 ! Near Maximum !
-00.7 112 81.42 2898 4196 62772 12789 97.3 1.085 ! Near Maximum !
-00.6 113 81.50 2902 4206 63010 12800 97.4 1.083 ! Near Maximum !
-00.5 113 81.58 2905 4216 63252 12811 97.4 1.081 ! Near Maximum !
-00.4 113 81.67 2908 4226 63492 12822 97.4 1.079 ! Near Maximum !
-00.3 113 81.75 2912 4236 63734 12832 97.5 1.077 ! Near Maximum !
-00.2 113 81.83 2915 4246 63978 12843 97.5 1.075 ! Near Maximum !
-00.1 113 81.92 2919 4256 64222 12853 97.6 1.074 ! Near Maximum !
+00.0 113 82.00 2922 4266 64468 12864 97.6 1.072 !DANGEROUS LOAD-DO NOT USE!
+00.1 113 82.08 2925 4276 64715 12874 97.6 1.070 !DANGEROUS LOAD-DO NOT USE!
+00.2 113 82.17 2929 4286 64962 12885 97.7 1.068 !DANGEROUS LOAD-DO NOT USE!
+00.3 114 82.25 2932 4296 65211 12895 97.7 1.066 !DANGEROUS LOAD-DO NOT USE!
+00.4 114 82.33 2936 4306 65462 12905 97.7 1.064 !DANGEROUS LOAD-DO NOT USE!
+00.5 114 82.42 2939 4316 65711 12915 97.8 1.063 !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 113 82.00 3079 4736 78610 12608 100.0 0.987 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 113 82.00 2711 3671 52206 12300 90.1 1.181


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Thanks so much Beretzs. You rock.

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