Nosler Partition 7x64
- Thread starter Drover
- Start date
- Thread starter
- #3
DrMike
Ballistician
- Nov 8, 2006
- 37,532
- 6,584
Drover,
Welcome to the forum. The 7 X 64 is a great cartridge that is woefully neglected in our day.
Did you mean to request data for the AccuBond? I'll provide these projections, using a 22 inch barrel. If you want the data in metric units, I can quickly provide the switch.
Cartridge O.A.L. L6: 3.307 inch = 84.00 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Rottweil R904
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 45.20 2315 1666 30442 8973 83.8 1.445
-18.0 83 46.33 2374 1751 32467 9293 85.2 1.407
-16.0 85 47.46 2432 1839 34629 9608 86.6 1.370
-14.0 87 48.59 2491 1930 36937 9918 87.9 1.334
-12.0 90 49.72 2551 2023 39402 10221 89.1 1.293
-10.0 92 50.85 2611 2119 42034 10518 90.3 1.254
-08.0 94 51.98 2670 2217 44852 10805 91.4 1.216
-06.0 96 53.11 2731 2318 47844 11084 92.5 1.180
-04.0 98 54.24 2791 2421 51024 11352 93.5 1.145
-02.0 100 55.37 2851 2527 54426 11608 94.5 1.111 ! Near Maximum !
+00.0 102 56.50 2912 2636 58057 11851 95.3 1.078 ! Near Maximum !
+02.0 104 57.63 2973 2747 61970 12081 96.2 1.047 !DANGEROUS LOAD-DO NOT USE!
+04.0 106 58.76 3034 2861 66158 12295 96.9 1.016 !DANGEROUS LOAD-DO NOT USE!
+06.0 108 59.89 3095 2977 70656 12493 97.6 0.986 !DANGEROUS LOAD-DO NOT USE!
+08.0 110 61.02 3156 3096 75494 12675 98.1 0.958 !DANGEROUS LOAD-DO NOT USE!
+10.0 112 62.15 3217 3217 80706 12837 98.7 0.930 !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 102 56.50 3059 2909 68641 11984 99.2 1.001 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 102 56.50 2726 2310 47781 11205 88.0 1.177
Of course, remember to reduce your load and work up to ensure a safe load in your rifle. If you get a chance, post a picture of your rifle. All of us are addicted to good looking (and some not so good looking) rifles.
Welcome to the forum. The 7 X 64 is a great cartridge that is woefully neglected in our day.
Did you mean to request data for the AccuBond? I'll provide these projections, using a 22 inch barrel. If you want the data in metric units, I can quickly provide the switch.
Cartridge O.A.L. L6: 3.307 inch = 84.00 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Rottweil R904
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 45.20 2315 1666 30442 8973 83.8 1.445
-18.0 83 46.33 2374 1751 32467 9293 85.2 1.407
-16.0 85 47.46 2432 1839 34629 9608 86.6 1.370
-14.0 87 48.59 2491 1930 36937 9918 87.9 1.334
-12.0 90 49.72 2551 2023 39402 10221 89.1 1.293
-10.0 92 50.85 2611 2119 42034 10518 90.3 1.254
-08.0 94 51.98 2670 2217 44852 10805 91.4 1.216
-06.0 96 53.11 2731 2318 47844 11084 92.5 1.180
-04.0 98 54.24 2791 2421 51024 11352 93.5 1.145
-02.0 100 55.37 2851 2527 54426 11608 94.5 1.111 ! Near Maximum !
+00.0 102 56.50 2912 2636 58057 11851 95.3 1.078 ! Near Maximum !
+02.0 104 57.63 2973 2747 61970 12081 96.2 1.047 !DANGEROUS LOAD-DO NOT USE!
+04.0 106 58.76 3034 2861 66158 12295 96.9 1.016 !DANGEROUS LOAD-DO NOT USE!
+06.0 108 59.89 3095 2977 70656 12493 97.6 0.986 !DANGEROUS LOAD-DO NOT USE!
+08.0 110 61.02 3156 3096 75494 12675 98.1 0.958 !DANGEROUS LOAD-DO NOT USE!
+10.0 112 62.15 3217 3217 80706 12837 98.7 0.930 !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 102 56.50 3059 2909 68641 11984 99.2 1.001 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 102 56.50 2726 2310 47781 11205 88.0 1.177
Of course, remember to reduce your load and work up to ensure a safe load in your rifle. If you get a chance, post a picture of your rifle. All of us are addicted to good looking (and some not so good looking) rifles.
Guten Abend, welkommen sie Zum "Noslerreloading!"
What action is your rifle built on? My guess is that you could use .280 Rem data as a start point if you are built on a mauser 98 or M1917 type action. A Mannlicher straight-pull would be dicey. The geometry and ballistics are similar. Do you have access to Vihtavouri or Norma powders? Might be able to help with that as I have data for these powders in this calibre.
You might also try submitting your request to Lapua or RWS. They should have data for your cartridge om in that bullet weight.
What action is your rifle built on? My guess is that you could use .280 Rem data as a start point if you are built on a mauser 98 or M1917 type action. A Mannlicher straight-pull would be dicey. The geometry and ballistics are similar. Do you have access to Vihtavouri or Norma powders? Might be able to help with that as I have data for these powders in this calibre.
You might also try submitting your request to Lapua or RWS. They should have data for your cartridge om in that bullet weight.
