Quick load request

Code: 
Cartridge          : .270 Win. (SAAMI)
Bullet             : .277, 130, Hornady SST InterLock 27302
Useable Case Capaci: 60.979 grain H2O = 3.959 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length      : 22.0 inch = 558.8 mm
Powder             : Hodgdon H4350 *T

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   93    50.94   2761    2201   46866  11215     95.0    1.180
-09.0   94    51.51   2791    2249   48366  11346     95.5    1.163
-08.0   95    52.07   2821    2297   49913  11473     95.9    1.145
-07.0   96    52.64   2851    2346   51510  11597     96.3    1.129
-06.0   97    53.20   2881    2396   53157  11717     96.7    1.112
-05.0   98    53.77   2911    2446   54858  11834     97.0    1.096
-04.0   99    54.34   2941    2496   56612  11946     97.4    1.080  ! Near Maximum !
-03.0  100    54.90   2970    2547   58424  12055     97.7    1.065  ! Near Maximum !
-02.0  101    55.47   3000    2598   60294  12160     98.0    1.049  ! Near Maximum !
-01.0  102    56.03   3030    2650   62226  12261     98.3    1.034  ! Near Maximum !
+00.0  103    56.60   3059    2702   64221  12357     98.5    1.020  ! Near Maximum !
+01.0  104    57.17   3089    2754   66281  12449     98.8    1.005  !DANGEROUS LOAD-DO NOT USE!
+02.0  105    57.73   3119    2807   68411  12536     99.0    0.991  !DANGEROUS LOAD-DO NOT USE!
+03.0  106    58.30   3148    2861   70612  12619     99.2    0.977  !DANGEROUS LOAD-DO NOT USE!
+04.0  107    58.86   3178    2915   72887  12697     99.4    0.963  !DANGEROUS LOAD-DO NOT USE!
+05.0  108    59.43   3207    2969   75240  12769     99.5    0.950  !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    56.60   3187    2932   75321  12114    100.0    0.951  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    103    56.60   2887    2405   53311  12030     93.2    1.109
 
DrMike said:
Code: 
Cartridge          : .270 Win. (SAAMI)
Bullet             : .277, 130, Hornady SST InterLock 27302
Useable Case Capaci: 60.979 grain H2O = 3.959 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length      : 22.0 inch = 558.8 mm
Powder             : Hodgdon H4350 *T

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   93    50.94   2761    2201   46866  11215     95.0    1.180
-09.0   94    51.51   2791    2249   48366  11346     95.5    1.163
-08.0   95    52.07   2821    2297   49913  11473     95.9    1.145
-07.0   96    52.64   2851    2346   51510  11597     96.3    1.129
-06.0   97    53.20   2881    2396   53157  11717     96.7    1.112
-05.0   98    53.77   2911    2446   54858  11834     97.0    1.096
-04.0   99    54.34   2941    2496   56612  11946     97.4    1.080  ! Near Maximum !
-03.0  100    54.90   2970    2547   58424  12055     97.7    1.065  ! Near Maximum !
-02.0  101    55.47   3000    2598   60294  12160     98.0    1.049  ! Near Maximum !
-01.0  102    56.03   3030    2650   62226  12261     98.3    1.034  ! Near Maximum !
+00.0  103    56.60   3059    2702   64221  12357     98.5    1.020  ! Near Maximum !
+01.0  104    57.17   3089    2754   66281  12449     98.8    1.005  !DANGEROUS LOAD-DO NOT USE!
+02.0  105    57.73   3119    2807   68411  12536     99.0    0.991  !DANGEROUS LOAD-DO NOT USE!
+03.0  106    58.30   3148    2861   70612  12619     99.2    0.977  !DANGEROUS LOAD-DO NOT USE!
+04.0  107    58.86   3178    2915   72887  12697     99.4    0.963  !DANGEROUS LOAD-DO NOT USE!
+05.0  108    59.43   3207    2969   75240  12769     99.5    0.950  !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    56.60   3187    2932   75321  12114    100.0    0.951  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    103    56.60   2887    2405   53311  12030     93.2    1.109
Click to expand...
The 130gr sst an the 140s will be the same powder charge rate?
 
Trawick78 said:
The 130gr sst an the 140s will be the same powder charge rate?
Click to expand...
Nope; my bad. Here is the 140 grain load.

Code: 
Cartridge          : .270 Win. (SAAMI)
Bullet             : .277, 140, Hornady SST InterLock 27352
Useable Case Capaci: 60.066 grain H2O = 3.900 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length      : 22.0 inch = 558.8 mm
Powder             : Hodgdon H4350 *T

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   91    49.41   2665    2209   46647  11077     95.8    1.221
-09.0   92    49.96   2694    2256   48114  11202     96.2    1.204
-08.0   93    50.51   2722    2304   49625  11323     96.6    1.186
-07.0   94    51.06   2751    2352   51183  11441     97.0    1.169
-06.0   95    51.61   2779    2401   52789  11556     97.3    1.152
-05.0   96    52.16   2807    2450   54445  11667     97.6    1.136
-04.0   97    52.70   2835    2499   56153  11775     97.9    1.120  ! Near Maximum !
-03.0   98    53.25   2864    2549   57913  11878     98.2    1.104  ! Near Maximum !
-02.0   99    53.80   2892    2600   59730  11977     98.5    1.088  ! Near Maximum !
-01.0  100    54.35   2920    2650   61604  12073     98.7    1.073  ! Near Maximum !
+00.0  101    54.90   2948    2701   63537  12164     98.9    1.058  ! Near Maximum !
+01.0  102    55.45   2976    2753   65532  12251     99.1    1.043  !DANGEROUS LOAD-DO NOT USE!
+02.0  103    56.00   3004    2805   67591  12333     99.3    1.029  !DANGEROUS LOAD-DO NOT USE!
+03.0  104    56.55   3032    2857   69718  12411     99.5    1.014  !DANGEROUS LOAD-DO NOT USE!
+04.0  105    57.10   3059    2910   71913  12484     99.6    1.000  !DANGEROUS LOAD-DO NOT USE!
+05.0  106    57.65   3087    2963   74181  12552     99.7    0.986  !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    54.90   3066    2922   74387  11866    100.0    0.988  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    101    54.90   2786    2413   52846  11913     94.1    1.149
 
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