- deeramator a écrit:
- J'ai tout ce que vous dites en equipement sauf le powder thrickler.
Et aussi la poudre, boulet et primer car je voulait justement avoir des conseil sur quoi acheter pour la 375.
J'ai le livre de speer.
Je pensait acheter des boulets Spitz BTSP de 270gr. pour leur assez haut c.b pour une 375, 0.478.
Mais pour la poudre je sais pas quoi prendre. Je regardait du coté de la AA 4350, qui etait la plus rapide selon mon livre. Pas loin de 2800 avec le max load.
Ma deuxieme option etait les boulets semi-spitz SP de 235gr. qui avec plusieurs poudres atteint les 2900pi/s.
qu'en pensez-vous??
Voiçi une simulation Quickload au
maximum de pression pour la 375 H&H (62366 psi) a une densité maximum de 106% avec le boulet speer 270 grs et dans un canon de 24".
Cartridge : .375 H.& H. Mag.
Bullet : .375, 270, Speer BTSP 2472
Useable Case Capaci: 80.854 grain H2O = 5.250 cm³
Cartridge O.A.L. L6: 3.600 inch = 91.44 mm
Barrel Length : 24.0 inch = 609.6 mm
Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 62366 psi, or 429 MPa
or a maximum loading ratio or filling of 106 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !
26 loads produced a Loading Ratio below user-defined minimum of 90%. These powders have been skipped.
Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Alliant Reloder-17 99.3 77.7 5.03 2810 100.0 62366 9068 1.118 !DANGEROUS LOAD-DO NOT USE!
Winchester 760 102.0 80.4 5.21 2809 98.3 62366 9505 1.129 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N550 104.5 79.6 5.16 2803 99.7 62366 9333 1.138 !DANGEROUS LOAD-DO NOT USE!
Ramshot BigGame 100.4 77.3 5.01 2786 100.0 62366 8882 1.134 !DANGEROUS LOAD-DO NOT USE!
SNPE Vectan SP 11 100.5 77.4 5.01 2785 100.0 62366 8870 1.134 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H414 99.3 78.8 5.11 2784 98.3 62366 9347 1.140 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H4350 106.0 78.6 5.09 2773 98.8 59302 9313 1.144 ! Near Maximum !
IMR 4895 99.0 71.4 4.62 2769 100.0 62366 8302 1.122 !DANGEROUS LOAD-DO NOT USE!
Ramshot Hunter 106.0 81.6 5.29 2762 98.4 58236 9423 1.159 ! Near Maximum !
Norma 204 106.0 81.6 5.29 2762 96.2 61314 9325 1.135 ! Near Maximum !
Norma URP 106.0 78.1 5.06 2761 99.6 59119 9134 1.159 ! Near Maximum !
Raufoss RA11 97.7 72.8 4.72 2761 100.0 62366 8735 1.146 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-15 97.7 72.8 4.72 2761 100.0 62366 8735 1.146 !DANGEROUS LOAD-DO NOT USE!
Bofors RP11 ~approximation 97.7 72.8 4.72 2761 100.0 62366 8735 1.146 !DANGEROUS LOAD-DO NOT USE!
Bofors RP19 ~approximation 106.0 78.1 5.06 2760 99.6 59060 9130 1.159 ! Near Maximum !
Norma 203B 98.1 73.2 4.74 2760 100.0 62366 8669 1.146 !DANGEROUS LOAD-DO NOT USE!
Hodgdon BL-C2 92.4 75.1 4.87 2757 100.0 62366 8554 1.148 !DANGEROUS LOAD-DO NOT USE!
Norma 203 old 99.7 75.1 4.87 2755 100.0 62366 8540 1.156 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H380 98.9 75.3 4.88 2751 99.6 62366 8829 1.149 !DANGEROUS LOAD-DO NOT USE!
Rottweil R903 101.9 75.2 4.87 2749 100.0 62366 8462 1.156 !DANGEROUS LOAD-DO NOT USE!
IMR 4320 99.6 73.0 4.73 2743 100.0 62366 8406 1.133 !DANGEROUS LOAD-DO NOT USE!
PB Clermont PCL 516 95.3 75.7 4.90 2742 99.5 62366 8720 1.142 !DANGEROUS LOAD-DO NOT USE!
Somchem S355 101.9 74.3 4.81 2742 100.0 62366 8471 1.153 !DANGEROUS LOAD-DO NOT USE!
SNPE Vectan SP 9 95.2 73.2 4.75 2735 100.0 62366 8445 1.144 !DANGEROUS LOAD-DO NOT USE!
Lovex-S0701 106.0 78.1 5.06 2732 98.2 61121 8953 1.160 ! Near Maximum !
Lovex-S0651 105.2 76.7 4.97 2727 99.1 62366 8696 1.152 !DANGEROUS LOAD-DO NOT USE!
IMR 3031 97.3 67.8 4.39 2727 100.0 62366 7795 1.150 !DANGEROUS LOAD-DO NOT USE!
PB Clermont PCL 507 91.7 71.3 4.62 2724 100.0 62366 8189 1.147 !DANGEROUS LOAD-DO NOT USE!
Accurate 2520 94.5 72.6 4.71 2723 100.0 62366 7988 1.161 !DANGEROUS LOAD-DO NOT USE!
ADI AR 2208 99.9 72.3 4.68 2722 99.9 62366 8409 1.140 !DANGEROUS LOAD-DO NOT USE!
Hodgdon VARGET 100.2 72.3 4.68 2722 99.9 62366 8409 1.140 !DANGEROUS LOAD-DO NOT USE!
Accurate 4064 104.2 72.6 4.70 2721 100.0 62366 7986 1.178 !DANGEROUS LOAD-DO NOT USE!
Somchem S341 93.4 74.9 4.86 2720 100.0 62366 8223 1.145 !DANGEROUS LOAD-DO NOT USE!
Rottweil R907 103.7 75.9 4.92 2718 97.6 62366 8761 1.150 !DANGEROUS LOAD-DO NOT USE!
IMR 4007 SSC 100.4 75.9 4.92 2717 97.6 62366 8754 1.150 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H4895 100.2 72.3 4.68 2717 100.0 62366 7947 1.140 !DANGEROUS LOAD-DO NOT USE!
Somchem S365 106.0 78.6 5.09 2716 100.0 52861 8831 1.205
Lovex-S0621 98.7 71.5 4.64 2716 100.0 62366 8113 1.157 !DANGEROUS LOAD-DO NOT USE!
IMR 4064 100.9 71.0 4.60 2714 100.0 62366 8235 1.145 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N530 90.9 68.1 4.41 2714 100.0 62366 8076 1.147 !DANGEROUS LOAD-DO NOT USE!
Norma 201 91.5 69.7 4.52 2705 100.0 62366 8067 1.161 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N540 97.3 73.3 4.75 2703 100.0 62366 7964 1.153 !DANGEROUS LOAD-DO NOT USE!
Norma 202 95.0 69.6 4.51 2699 100.0 62366 7798 1.156 !DANGEROUS LOAD-DO NOT USE!
Rottweil R902 97.4 70.0 4.54 2696 100.0 62366 7963 1.162 !DANGEROUS LOAD-DO NOT USE!
Accurate 2495 96.9 68.3 4.43 2696 100.0 62366 7663 1.186 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N140 103.1 73.8 4.79 2693 100.0 62366 7888 1.149 !DANGEROUS LOAD-DO NOT USE!
IMR 4350 106.0 75.7 4.90 2688 97.5 54467 9037 1.194 ! Near Maximum !