24 February 2010, 06:44
308Sako'06 Ackley and the 208 A-Max
Any ideas what to expect? 22" barrel and VV 165 powder.
24 February 2010, 08:01
Tyler KempSomeday I'll catch you in chat!
I'd say 2800 fps on the max end.
24 February 2010, 08:11
ramrod340Cartridge : .30-06 Ack Imp
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 61.233 grain H2O = 3.976 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Vihtavuori N165
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 97 54.00 2263 2365 39387 9385 93.8 1.417
-09.0 98 54.60 2290 2421 40747 9503 94.3 1.395
-08.0 99 55.20 2316 2478 42149 9617 94.8 1.373
-07.0 100 55.80 2343 2535 43625 9728 95.3 1.352
-06.0 101 56.40 2370 2593 45148 9836 95.7 1.330
-05.0 102 57.00 2396 2652 46730 9940 96.1 1.309
-04.0 103 57.60 2423 2712 48373 10041 96.6 1.288
-03.0 104 58.20 2450 2772 50082 10138 96.9 1.268 ! Near Maximum !
-02.0 105 58.80 2477 2834 51859 10231 97.3 1.248 ! Near Maximum !
-01.0 106 59.40 2504 2895 53706 10320 97.7 1.229 ! Near Maximum !
+00.0 107 60.00 2531 2958 55630 10406 98.0 1.209 ! Near Maximum !
+01.0 109 60.60 2558 3021 57626 10486 98.3 1.190 ! Near Maximum !
+02.0 110 61.20 2585 3085 59694 10563 98.5 1.172 !DANGEROUS LOAD-DO NOT USE!
+03.0 111 61.80 2611 3150 61841 10634 98.8 1.154 !DANGEROUS LOAD-DO NOT USE!
+04.0 112 62.40 2638 3215 64076 10701 99.0 1.136 !DANGEROUS LOAD-DO NOT USE!
+05.0 113 63.00 2665 3281 66402 10764 99.2 1.118 !DANGEROUS LOAD-DO NOT USE!
24 February 2010, 08:22
308SakoPaul K; A Huge Thanks for that!
Choose to start with 58.5, 59.0... to 60.0 good guessing. I'll report back the velocities if chrono works.
Tyler, I miss you LOL
25 February 2010, 06:38
308SakoThe chronograph is on it's way back to Oehler... printer jammed.