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Need help with 2285 yard shot.
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<blockquote data-quote="Topshot" data-source="post: 355782" data-attributes="member: 13285"><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Well I went out to the location again this morning and tried to shoot the 2285 yard target again. The load I was using today was 96 grains of H1000 behind the 300 gn SMK. Measured velocity of this load was just over 2900 fps. </span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">At this velocity I could get the target into the box at the very bottom of the R1 reticle on 11 power if I dialed in 60 MOA elevation, so that is how I aimed this time.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Today conditions were different to the first day. Temperature was 17 degrees C and 995mb. I had pre worked out a drop for this load at 108 MOA for 14 C and 992mb.</span></span></p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Wing was coming in at 6 to 8 mph at 9 O'clock up over the trees but where I was it seemed calm so I held dead on for windage, hoping to see the bullet impact on the first shot and then dial for windage after that.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">The first three shots I could not see impact so I drove up and had a look. I eventually found the impact points way off to the right so I marked them with plastic bowls and drove back to the start.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Looking back at the bowls it was obvious that I needed about 10 MOA of left windage and about 2 MOA less elevation. So while conditions seem stable I fired off my last five 96gn loads. Packed up and went for a look.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">The results were three shots in a group about 24" but landing in the dirt just over the target and the other two shots fell about 5m and 8m short. These results were similar to the first try and indicate that some bullets are unstable.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Sorry boys, but at this stage I have to admit defeat, and say that the distance is just too far for me and this load. I will work up a new load with the 235gn Perdator projectiles and see how they go. I will post the results when they are done.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Anyway the morning was not lost. I still had a dozen 92gn loads so I went off and found a spot where I could shoot a more realistic 1543 yards. This time I was shooting into a 6 or 7 mph wind coming up hill towards me at 1 o'clock.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">My PDA was now in range so I calculated 53MOA elevation and 2.5MOA right windage. I took off .5MOA for drift and fired two shots. It was good to be back shooting with the scope set on 22 power.</span></span></p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">From the dust flying behind the target I could see I was a bit high so I dropped 1.5MOA elevation and fired off three quick shots. Packed up and drove down for a look.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">The results are on the photo below. First two shots top right. Next three at the right height but with a bit of spread in the windage. So height wise all is well at this velocity. It is only at the extreme range below the speed of sound where things go haywire. </span></span></p><p> </p><p> </p><p><img src="http://members.optusnet.com.au/~wadcutter/mypic41.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Topshot, post: 355782, member: 13285"] [SIZE=3][FONT=Times New Roman]Well I went out to the location again this morning and tried to shoot the 2285 yard target again. The load I was using today was 96 grains of H1000 behind the 300 gn SMK. Measured velocity of this load was just over 2900 fps. [/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]At this velocity I could get the target into the box at the very bottom of the R1 reticle on 11 power if I dialed in 60 MOA elevation, so that is how I aimed this time.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]Today conditions were different to the first day. Temperature was 17 degrees C and 995mb. I had pre worked out a drop for this load at 108 MOA for 14 C and 992mb.[/FONT][/SIZE] [SIZE=3][FONT=Times New Roman]Wing was coming in at 6 to 8 mph at 9 O’clock up over the trees but where I was it seemed calm so I held dead on for windage, hoping to see the bullet impact on the first shot and then dial for windage after that.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]The first three shots I could not see impact so I drove up and had a look. I eventually found the impact points way off to the right so I marked them with plastic bowls and drove back to the start.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]Looking back at the bowls it was obvious that I needed about 10 MOA of left windage and about 2 MOA less elevation. So while conditions seem stable I fired off my last five 96gn loads. Packed up and went for a look.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]The results were three shots in a group about 24” but landing in the dirt just over the target and the other two shots fell about 5m and 8m short. These results were similar to the first try and indicate that some bullets are unstable.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]Sorry boys, but at this stage I have to admit defeat, and say that the distance is just too far for me and this load. I will work up a new load with the 235gn Perdator projectiles and see how they go. I will post the results when they are done.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]Anyway the morning was not lost. I still had a dozen 92gn loads so I went off and found a spot where I could shoot a more realistic 1543 yards. This time I was shooting into a 6 or 7 mph wind coming up hill towards me at 1 o’clock.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]My PDA was now in range so I calculated 53MOA elevation and 2.5MOA right windage. I took off .5MOA for drift and fired two shots. It was good to be back shooting with the scope set on 22 power.[/FONT][/SIZE] [SIZE=3][FONT=Times New Roman]From the dust flying behind the target I could see I was a bit high so I dropped 1.5MOA elevation and fired off three quick shots. Packed up and drove down for a look.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]The results are on the photo below. First two shots top right. Next three at the right height but with a bit of spread in the windage. So height wise all is well at this velocity. It is only at the extreme range below the speed of sound where things go haywire. [/FONT][/SIZE] [IMG]http://members.optusnet.com.au/~wadcutter/mypic41.jpg[/IMG] [/QUOTE]
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Need help with 2285 yard shot.
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