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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
9 o'clock vs. 3 o'clock wind drifts different with same wind velocity???
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<blockquote data-quote="ken snyder" data-source="post: 615516" data-attributes="member: 26019"><p>Thats ok I'll give an example that hopefully will not cloud things up for you. this example is only trajectory angle. I'm pretty sure most of us has shot at a rock on the ground. that rock is on a road with a steep slope going down hill and it is only about 300 yds. away and it is shot at a few times. We then go and look at the impact marks in the gravel and to our horror we see that they are really far apart and we haven't missed a target that far since we were 5 years old. same thing occurs with a target at long range but this time it isn't the angle of the road it is the plunging angle of the bullet on a vertical target. Plus you forgot to double the moa because we don't know which side to favor for left and right as well as up and down and this is a worst case scenario provided that the scope is actually following its own rules ( those that can do a good job favoring exempt). My example a worst case scenario regarding the scope. Another good example is having to tweek the scope numbers with the question am I correcting for the bullet or the scope when everything is going very well - could be dead on or an 8 inch oval that is entirely click oriented, so I head for the worst case scenario because None of us has ever missed a target when every thing adds up to the best case scenario. actual scope value no favoring</p></blockquote><p></p>
[QUOTE="ken snyder, post: 615516, member: 26019"] Thats ok I'll give an example that hopefully will not cloud things up for you. this example is only trajectory angle. I'm pretty sure most of us has shot at a rock on the ground. that rock is on a road with a steep slope going down hill and it is only about 300 yds. away and it is shot at a few times. We then go and look at the impact marks in the gravel and to our horror we see that they are really far apart and we haven't missed a target that far since we were 5 years old. same thing occurs with a target at long range but this time it isn't the angle of the road it is the plunging angle of the bullet on a vertical target. Plus you forgot to double the moa because we don't know which side to favor for left and right as well as up and down and this is a worst case scenario provided that the scope is actually following its own rules ( those that can do a good job favoring exempt). My example a worst case scenario regarding the scope. Another good example is having to tweek the scope numbers with the question am I correcting for the bullet or the scope when everything is going very well - could be dead on or an 8 inch oval that is entirely click oriented, so I head for the worst case scenario because None of us has ever missed a target when every thing adds up to the best case scenario. actual scope value no favoring [/QUOTE]
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9 o'clock vs. 3 o'clock wind drifts different with same wind velocity???
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