02-11-2015, 11:21 PM
Buck2732 Wrote:Hi folks, I am going to try and get faster than the figures I posted above but I am having to wait for 123SSTs (think rocking horse poo), my side of the pond.
Just a quick question is there anyone/way of finding out what pressures I an getting with the above loads?
Ran your loads through an internal ballistic program, its predictions are right inline with your data. Below included its predictions of pressure and velocity. This should at least give you an idea of pressure. Only one load shows above CIP max average of 58740
The rife CZ527, 22 inch tube, with my moderator and vortex scope.
The following all had a COL of 2.255
30.9 Average fps 2586.9 52160 psi 2588 fps
31.2 Average fps 2612.3 53886 psi 2613 fps
31.5 Average fps 2628.3 56289 psi 2647 fps
31.8 Average fps 2664.5 57537 psi 2664 fps
32.1 average fps 2700.4 59467 psi 2690 fps
The following all had a COL of 2.285
30.9 Average fps 2578.5 50940 psi 2572 fps
31.2 Average fps 2634.7 52290 psi 2597 fps
31.5 Average fps 2641.5 53999 psi 2622 fps
31.8 Average fps 2675.7 55771 psi 2648 fps
32.1 Average fps 2684.2 57608 psi 2673 fps