Citat:quote:
Originally posted by rkn
@ ahsv.
Kan du være behjælpelig igen..?
En Svensk kompis har spurgt på nogle data til en 416 Remington Magnum.
Kuglerne han spørg til er Swift A-Frame 350 grains, og Barnes Tsx 300 Grains.
Pibe længden er 60 cm.
Prøver lige at finde ud af vilket krudt, og bc, og sd på kuglerne.
Fundet.. Swift B.c 0,321. Barnes B.c 0,298.
Col. 90,50 Krudt Norma 203 B. Fenghette cci 250
"Heller 2 i dunken, end dunken i 2éren"
[IMG] http://img.photobucket.com/albums/v603/S...rdlogo.gif [/IMG]
Natürlich
Swift A Frame:
Cartridge : .416 Rem. Mag.
Bullet : .416, 350, Swift A-Frame SS
Useable Case Capaci: 88.856 grain H2O = 5.769 cm³
Cartridge O.A.L. L6: 3.583 inch = 91.00 mm
Barrel Length : 23.6 inch = 600.0 mm
Powder : Norma 203B
Predicted data by increasing and decreasing the given charge,
incremented in steps of 0,633% 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
-06,3 90 74,00 2400 4477 46979 7648 98,6 1,313
-05,7 91 74,50 2415 4532 47845 7690 98,7 1,303
-05,1 92 75,00 2429 4587 48727 7731 98,9 1,294
-04,4 92 75,50 2444 4642 49626 7771 99,0 1,285
-03,8 93 76,00 2459 4698 50542 7810 99,1 1,276
-03,2 93 76,50 2473 4753 51476 7848 99,2 1,266
-02,5 94 77,00 2488 4809 52427 7885 99,3 1,255
-01,9 95 77,50 2502 4865 53396 7921 99,4 1,245 ! Near Maximum !
-01,3 95 78,00 2516 4921 54384 7955 99,5 1,234 ! Near Maximum !
-00,6 96 78,50 2531 4978 55390 7989 99,6 1,224 ! Near Maximum !
+00,0 96 79,00 2545 5035 56416 8022 99,7 1,214 ! Near Maximum !
+00,6 97 79,50 2560 5092 57461 8054 99,7 1,204 ! Near Maximum !
+01,3 98 80,00 2574 5149 58527 8084 99,8 1,194 ! Near Maximum !
+01,9 98 80,50 2588 5206 59613 8114 99,8 1,184 ! Near Maximum !
+02,5 99 81,00 2602 5264 60721 8142 99,9 1,175 ! Near Maximum !
+03,2 100 81,50 2617 5321 61850 8170 99,9 1,165 !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 96 79,00 2640 5417 66660 7709 100,0 1,134 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 96 79,00 2409 4510 46463 8014 95,8 1,315
Barnes TSX
Cartridge : .416 Rem. Mag.
Bullet : .416, 300, Barnes 'TSX' FB 41683
Useable Case Capaci: 87.805 grain H2O = 5.701 cm³
Cartridge O.A.L. L6: 3.583 inch = 91.00 mm
Barrel Length : 23.6 inch = 600.0 mm
Powder : Norma 203B
Predicted data by increasing and decreasing the given charge,
incremented in steps of 0,606% 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
-06,1 96 77,50 2594 4482 47157 7789 97,0 1,220
-05,5 96 78,00 2610 4538 48054 7834 97,2 1,210
-04,8 97 78,50 2626 4594 48969 7879 97,4 1,200
-04,2 98 79,00 2642 4650 49902 7922 97,5 1,190
-03,6 98 79,50 2658 4707 50854 7965 97,7 1,180
-03,0 99 80,00 2674 4763 51825 8007 97,9 1,169
-02,4 99 80,50 2690 4821 52816 8048 98,1 1,159
-01,8 100 81,00 2706 4878 53827 8087 98,2 1,150 ! Near Maximum !
-01,2 101 81,50 2722 4936 54858 8126 98,4 1,140 ! Near Maximum !
-00,6 101 82,00 2738 4994 55911 8164 98,5 1,130 ! Near Maximum !
+00,0 102 82,50 2754 5052 56985 8201 98,7 1,121 ! Near Maximum !
+00,6 103 83,00 2770 5110 58081 8237 98,8 1,111 ! Near Maximum !
+01,2 103 83,50 2786 5169 59199 8271 98,9 1,102 ! Near Maximum !
+01,8 104 84,00 2801 5228 60341 8305 99,0 1,093 ! Near Maximum !
+02,4 104 84,50 2817 5287 61507 8338 99,1 1,084 ! Near Maximum !
+03,0 105 85,00 2833 5347 62697 8369 99,3 1,075 !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 82,50 2873 5497 68041 7960 100,0 1,043 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 102 82,50 2590 4470 46338 8035 93,2 1,223
God fornøjelse
Mvh.
Anders