Need some data, Pop.

Scott Spencer · Feb 20, 2009

Hey Pop -

Can you run a couple of tables on a load for me? I'm just curious what I might get from this.

Win Mod 70 .338 26" barrel
RL 19
Nosler 180 gr AB
New Win brass
CCI 250 primer

Win Mod 70 .338 26" barrel
RL 22
Nosler 180 gr AB
New Win brass
CCI 250 primer

Thanks!

FOTIS · Feb 20, 2009

Scott Spencer":1755zvgf said:
Hey Pop -

Can you run a couple of tables on a load for me? I'm just curious what I might get from this.

Win Mod 70 .338 26" barrel
RL 19
Nosler 180 gr AB
New Win brass
CCI 250 primer

Win Mod 70 .338 26" barrel
RL 22
Nosler 180 gr AB
New Win brass
CCI 250 primer

Thanks!

Cartridge : .338 Win Mag.
Bullet : .338, 180, Nosler AccuBond 54374
Cartridge O.A.L. L6: 3.340 inch or 84.84 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Alliant Reloder-19

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 99 70.20 2812 3161 40931 8557 90.3 1.321
-09.0 100 70.98 2845 3236 42347 8674 90.9 1.301
-08.0 101 71.76 2879 3312 43815 8788 91.5 1.281
-07.0 102 72.54 2912 3389 45339 8899 92.1 1.260
-06.0 103 73.32 2946 3468 46921 9008 92.7 1.241
-05.0 104 74.10 2979 3547 48564 9115 93.2 1.222
-04.0 105 74.88 3013 3628 50269 9218 93.7 1.203
-03.0 106 75.66 3046 3709 52045 9318 94.3 1.184
-02.0 107 76.44 3080 3792 53887 9416 94.7 1.166 ! Near Maximum !
-01.0 108 77.22 3114 3875 55807 9509 95.2 1.148 ! Near Maximum !
+00.0 110 78.00 3148 3960 57801 9600 95.7 1.130 ! Near Maximum !
+01.0 111 78.78 3181 4045 59881 9687 96.1 1.113 ! Near Maximum !
+02.0 112 79.56 3215 4132 62043 9770 96.5 1.096 !DANGEROUS LOAD-DO NOT USE!
+03.0 113 80.34 3249 4219 64297 9850 96.9 1.079 !DANGEROUS LOAD-DO NOT USE!
+04.0 114 81.12 3283 4308 66645 9925 97.3 1.062 !DANGEROUS LOAD-DO NOT USE!
+05.0 115 81.90 3317 4398 69095 9997 97.6 1.046 !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 110 78.00 3316 4394 69716 9641 99.5 1.046 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 110 78.00 2932 3435 47275 9073 87.9 1.238

Cartridge : .338 Win Mag.
Bullet : .338, 180, Nosler AccuBond 54374
Cartridge O.A.L. L6: 3.340 inch or 84.84 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Alliant Reloder-22

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

-10.0 100 72.00 2759 3043 37079 8742 88.3 1.381
-09.0 101 72.80 2795 3121 38407 8873 89.0 1.357
-08.0 102 73.60 2830 3201 39790 9002 89.8 1.335
-07.0 103 74.40 2865 3282 41229 9127 90.4 1.313
-06.0 104 75.20 2901 3364 42727 9250 91.1 1.292
-05.0 106 76.00 2937 3447 44289 9370 91.8 1.270
-04.0 107 76.80 2972 3531 45916 9486 92.4 1.249
-03.0 108 77.60 3008 3617 47612 9599 93.0 1.229
-02.0 109 78.40 3044 3705 49381 9708 93.6 1.209
-01.0 110 79.20 3081 3793 51228 9814 94.2 1.188
+00.0 111 80.00 3117 3883 53157 9915 94.7 1.169 ! Near Maximum !
+01.0 112 80.80 3153 3974 55171 10012 95.2 1.150 ! Near Maximum !
+02.0 113 81.60 3190 4066 57275 10105 95.7 1.130 ! Near Maximum !
+03.0 114 82.40 3226 4160 59477 10194 96.2 1.112 ! Near Maximum !
+04.0 116 83.20 3263 4255 61781 10278 96.6 1.093 !DANGEROUS LOAD-DO NOT USE!
+05.0 117 84.00 3299 4351 64194 10356 97.1 1.075 !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 111 80.00 3310 4379 65282 10014 99.3 1.072 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 111 80.00 2870 3293 42841 9227 85.6 1.292