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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Big Game Info Ballistics calculator.
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<blockquote data-quote="4ked Horn" data-source="post: 62444" data-attributes="member: 11"><p>[ QUOTE ]</p><p>Now that you've got that big long tape that you can put in a notebook, I have a couple questions for you. Do you even attempt to account for changes in temperature, altitude, incline, etc?</p><p></p><p>[/ QUOTE ]</p><p></p><p>I know through the help of topo map programs what my altitude will be in the area I will be shooting. Your program makes it easy to print out a drop chart for the approximate temps and several inclines to refference. Most of the extreme long ranges for me are less than 1100 yards so the chart dosen't have to be longer than that and I have found that entering a 5 yard increment gives me yardage per click values for the huge majority of my shooting (less than 800 yards) which is just dandy for rockchucks. If I'm off and miss I usually have visual feedback for a follow up shot.(I'm speaking of rock chuck shooting in the desert here. NOT big game hunting.)</p><p></p><p>If I were hunting deer with my .308 I would keep it inside 600 yards which keeps the atmospheric conditions from affecting the trajectory beyond reason. Again I will know my altitudes +/- 500 feet and my temps for the weekend +/- 20 degrees. So <em>exact</em> atmospheric input is not so important. Because of the bigger kill zone and the shorter maximum range I can print out a drop chart with a 20 or 25 yard increment with more slope info (and windages of course) and it will all fit neatly on a card that I can tape to my stock. About 3"x5". Again your program speeds this up alot! Besides I dont mind playing around with it in the evening. Just part of getting ready.</p><p></p><p>When I get a PDA this will be easier still. Also keep in mind that the best drop charts are the ones that are created in the field by documenting the actual results of shooting that load out of that gun. These paper trajectories are only going to get us very close. As we find the program to be trustworthy (that it reflects the real world) we can use it for longer and longer shots on larger game. That is why the ultra long range hunters (1500 yards and more) usually take a sighter shot at a surface suitably similar to distance and slope of the game animal before aiming at the animal. They are checking the charts because the charts will only get you very close.</p></blockquote><p></p>
[QUOTE="4ked Horn, post: 62444, member: 11"] [ QUOTE ] Now that you've got that big long tape that you can put in a notebook, I have a couple questions for you. Do you even attempt to account for changes in temperature, altitude, incline, etc? [/ QUOTE ] I know through the help of topo map programs what my altitude will be in the area I will be shooting. Your program makes it easy to print out a drop chart for the approximate temps and several inclines to refference. Most of the extreme long ranges for me are less than 1100 yards so the chart dosen't have to be longer than that and I have found that entering a 5 yard increment gives me yardage per click values for the huge majority of my shooting (less than 800 yards) which is just dandy for rockchucks. If I'm off and miss I usually have visual feedback for a follow up shot.(I'm speaking of rock chuck shooting in the desert here. NOT big game hunting.) If I were hunting deer with my .308 I would keep it inside 600 yards which keeps the atmospheric conditions from affecting the trajectory beyond reason. Again I will know my altitudes +/- 500 feet and my temps for the weekend +/- 20 degrees. So [i]exact[/i] atmospheric input is not so important. Because of the bigger kill zone and the shorter maximum range I can print out a drop chart with a 20 or 25 yard increment with more slope info (and windages of course) and it will all fit neatly on a card that I can tape to my stock. About 3"x5". Again your program speeds this up alot! Besides I dont mind playing around with it in the evening. Just part of getting ready. When I get a PDA this will be easier still. Also keep in mind that the best drop charts are the ones that are created in the field by documenting the actual results of shooting that load out of that gun. These paper trajectories are only going to get us very close. As we find the program to be trustworthy (that it reflects the real world) we can use it for longer and longer shots on larger game. That is why the ultra long range hunters (1500 yards and more) usually take a sighter shot at a surface suitably similar to distance and slope of the game animal before aiming at the animal. They are checking the charts because the charts will only get you very close. [/QUOTE]
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