Quick load for 270WSM with Re26

[busdriver989]

I am loading
Berger 140gr Classic Hunter
67.4gr Re 26
CCI 250 primers
COAL 2.840
Norma brass
My ProChrono is reading 3200 FPS
Could someone run the numbers in Quickload Thanks

 

[busdriver989]

 

[Bowfishn]

I am loading
Berger 140gr Classic Hunter
67.4gr Re 26
CCI 250 primers
COAL 2.840
Norma brass
My ProChrono is reading 3200 FPS
Could someone run the numbers in Quickload Thanks

I don't know the H2O of the Norma case so I used default.
This is with a 26" barrel it is less vel with 24" so we would have to run numbers again.
Also Berger list the RL26 with that bullet in a 24"
http://www.bergerbullets.com/pdf/270-WSM-140gr.pdf

Cartridge : .270 WSM
Bullet : .277, 140, Berger Class Hunt #27571
Useable Case Capaci: 72.642 grain H2O = 4.717 cm³
Cartridge O.A.L. L6: 2.840 inch = 72.14 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-26

Predicted data by increasing and decreasing the given charge,
incremented in steps of 0.297% 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

-03.0 91 65.40 3112 3011 50342 12024 100.0 1.336
-02.7 91 65.60 3121 3029 50871 12038 100.0 1.330
-02.4 91 65.80 3131 3047 51404 12053 100.0 1.324
-02.1 92 66.00 3140 3065 51943 12068 100.0 1.318
-01.8 92 66.20 3149 3084 52487 12083 100.0 1.311
-01.5 92 66.40 3159 3102 53037 12097 100.0 1.305
-01.2 93 66.60 3168 3120 53593 12112 100.0 1.299
-00.9 93 66.80 3177 3138 54154 12126 100.0 1.293
-00.6 93 67.00 3187 3157 54721 12140 100.0 1.287 ! Near Maximum !
-00.3 93 67.20 3196 3175 55294 12154 100.0 1.281 ! Near Maximum !
+00.0 94 67.40 3205 3193 55873 12169 100.0 1.275 ! Near Maximum !
+00.3 94 67.60 3214 3212 56457 12183 100.0 1.269 ! Near Maximum !
+00.6 94 67.80 3224 3230 57049 12197 100.0 1.263 ! Near Maximum !
+00.9 94 68.00 3233 3249 57646 12210 100.0 1.257 ! Near Maximum !
+01.2 95 68.20 3242 3267 58250 12224 100.0 1.252 ! Near Maximum !
+01.5 95 68.40 3251 3286 58860 12238 100.0 1.246 ! Near Maximum !

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 67.40 3340 3469 69697 11687 100.0 1.167 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 94 67.40 2996 2790 43062 12587 98.4 1.421

 

[Bowfishn]

Here it is with 24" barrel with the adjustment for your velocity.

Cartridge : .270 WSM
Bullet : .277, 140, Berger Class Hunt #27571
Useable Case Capaci: 72.643 grain H2O = 4.717 cm³
Cartridge O.A.L. L6: 2.840 inch = 72.14 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 0.297% 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

-03.0 91 65.40 3110 3007 55063 13010 100.0 1.235 ! Near Maximum !
-02.7 91 65.60 3119 3024 55635 13028 100.0 1.230 ! Near Maximum !
-02.4 91 65.80 3128 3042 56212 13045 100.0 1.224 ! Near Maximum !
-02.1 92 66.00 3137 3060 56796 13062 100.0 1.218 ! Near Maximum !
-01.8 92 66.20 3146 3077 57386 13079 100.0 1.212 ! Near Maximum !
-01.5 92 66.40 3155 3095 57981 13096 100.0 1.207 ! Near Maximum !
-01.2 93 66.60 3165 3113 58583 13113 100.0 1.201 ! Near Maximum !
-00.9 93 66.80 3174 3131 59191 13130 100.0 1.196 ! Near Maximum !
-00.6 93 67.00 3183 3149 59805 13146 100.0 1.190 ! Near Maximum !
-00.3 93 67.20 3192 3167 60425 13163 100.0 1.184 ! Near Maximum !
+00.0 94 67.40 3201 3184 61052 13180 100.0 1.179 ! Near Maximum !
+00.3 94 67.60 3210 3202 61685 13196 100.0 1.173 ! Near Maximum !
+00.6 94 67.80 3219 3220 62325 13212 100.0 1.168 ! Near Maximum !
+00.9 94 68.00 3228 3238 62971 13229 100.0 1.163 ! Near Maximum !
+01.2 95 68.20 3237 3256 63624 13245 100.0 1.157 !DANGEROUS LOAD-DO NOT USE!
+01.5 95 68.40 3245 3274 64284 13261 100.0 1.152 !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 67.40 3325 3437 75446 12701 100.0 1.081 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 94 67.40 3008 2813 47083 13754 99.3 1.313

 

[busdriver989]

Thank you very much!