- remington a écrit:
- hornady v-max 50 gr # 22261
jais réussi a me sortir une bonne load pour l'été
mais quand il fait froid elle ne groupe plus
je cherche une load pour l'hiver
merci moose
Je pourrais te donner une simulation plus précise si j'avais le OAL exact de ta cartouche ainsi que le volume interne d'une douille tirée mais non recalibrée en grains d'eau. Enfin voiçi ce que ça donne a 70*F et ensuite a 0*F. J'ai l'impression qu'a basse température tu vas etre limité par le volume interne de la douille.
Cartridge : .22-250 Rem. (SAAMI)
Bullet : .224, 50, Hornady V-MAX BT 22261
Useable Case Capaci: 39.943 grain H2O = 2.593 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon VARGET ?, Temperature:
70 °FPredicted 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 94 33.30 3522 1377 44385 8253 94.1 1.091
-09.0 95 33.67 3559 1407 45843 8345 94.6 1.076
-08.0 96 34.04 3596 1436 47349 8435 95.1 1.060
-07.0 97 34.41 3633 1466 48906 8521 95.5 1.045
-06.0 98 34.78 3670 1496 50513 8606 96.0 1.030
-05.0 99 35.15 3707 1526 52175 8687 96.4 1.016
-04.0 100 35.52 3744 1557 53893 8765 96.8 1.001
-03.0 101 35.89 3781 1587 55668 8840 97.1 0.987 ! Near Maximum !
-02.0 102 36.26 3818 1618 57504 8912 97.5 0.973 ! Near Maximum !
-01.0 103 36.63 3854 1649 59402 8981 97.8 0.960 ! Near Maximum !
+00.0 104 37.00 3891 1681 61365 9046 98.1 0.946 ! Near Maximum !
+01.0 105 37.37 3927 1713 63396 9109 98.4 0.933 ! Near Maximum !
+02.0 106 37.74 3964 1744 65497 9167 98.6 0.920 !DANGEROUS LOAD-DO NOT USE!
+03.0 107 38.11 4000 1776 67671 9222 98.9 0.908 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 38.48 4036 1809 69922 9274 99.1 0.895 !DANGEROUS LOAD-DO NOT USE!
+05.0 109 38.85 4072 1841 72253 9321 99.3 0.883 !DANGEROUS LOAD-DO NOT USE
Cartridge : .22-250 Rem. (SAAMI)
Bullet : .224, 50, Hornady V-MAX BT 22261
Useable Case Capaci: 39.943 grain H2O = 2.593 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon VARGET ?, Temperature:
0 °FPredicted 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 96 34.20 3476 1342 42814 8218 91.1 1.110
-09.0 97 34.58 3514 1371 44272 8321 91.7 1.093
-08.0 98 34.96 3553 1401 45780 8421 92.3 1.077
-07.0 99 35.34 3591 1432 47343 8519 92.8 1.061
-06.0 100 35.72 3629 1462 48959 8615 93.4 1.045
-05.0 101 36.10 3668 1494 50624 8708 93.9 1.030
-04.0 102 36.48 3706 1525 52341 8799 94.4 1.015
-03.0 103 36.86 3744 1557 54116 8887 94.9 1.000
-02.0 105 37.24 3783 1589 55956 8972 95.3 0.986 ! Near Maximum !
-01.0 106 37.62 3821 1621 57862 9054 95.7 0.972 ! Near Maximum !
+00.0 107 38.00 3859 1654 59837 9132 96.2 0.958 ! Near Maximum !
+01.0 108 38.38 3898 1687 61884 9208 96.6 0.944 ! Near Maximum !
+02.0 109 38.76 3936 1720 64007 9281 96.9 0.930 ! Near Maximum !
+03.0 110 39.14 3974 1753 66209 9350 97.3 0.917 !DANGEROUS LOAD-DO NOT USE!
+04.0 111 39.52 4012 1787 68493 9415 97.6 0.904 !DANGEROUS LOAD-DO NOT USE!
+05.0 112 39.90 4050 1821 70864 9477 98.0 0.891 !DANGEROUS LOAD-DO NOT USE!