Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Hunting
Long Range Hunting & Shooting
How to Shoot Uphill and Downhill
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Michael Eichele" data-source="post: 807960" data-attributes="member: 1007"><p>Not too bad.</p><p></p><p>Below is a link to an article I wrote a few years back. I think you'll find that it pretty much agrees with what you're saying here.</p><p></p><p><a href="http://www.coueswhitetail.com/forums/topic/22190-the-how-to-of-shooting-on-an-incline/" target="_blank">The 'How To' of shooting on an incline. - Long Range Shooting - CouesWhitetail.com Discussion forum</a></p><p></p><p>One of the real dangers to the riflemans rule that gets overlooked is that when you set your scope up for a 500 yard shot versus a 900 yard shot due to the angle (say a cosine of .56) the MOA values at those ranges Are vastly different. In other words, .25 MOA per click equals 1.309" at 500 yards and 2.356" at 900 yards. This compounds the problem. A true 500 yard shot may take X clicks to get there but the same amount of clicks are too much for the same shot used in this example where 900 yards is the line of sight but 500 yards is the horizontal distance. The target is still 900 yards away and the click or holdover values need to be used accordingly. That is one of the few reasons that the MOA or MIL * cosine works so much better than the yardage * cosine method. But like was pointed out, if your zero is a given yardage such as 300 yards and your angled shot is 300 yards, it doesn't work. This is why the bore line drop must be considered. Ballistic software takes that into consideration.</p><p></p><p>I like to use the illustration of zeroing a rifle at 1000 yards horizontally. Then moving the target 1000 yards straight up. 90 degrees * cosine (0) = 0. The</p><p>Scope is then not adjusted because the math said 0. When you shoot at the target the bullet ends up behind you because the barrel is pointed beyond 90 degrees.</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 807960, member: 1007"] Not too bad. Below is a link to an article I wrote a few years back. I think you'll find that it pretty much agrees with what you're saying here. [url=http://www.coueswhitetail.com/forums/topic/22190-the-how-to-of-shooting-on-an-incline/]The 'How To' of shooting on an incline. - Long Range Shooting - CouesWhitetail.com Discussion forum[/url] One of the real dangers to the riflemans rule that gets overlooked is that when you set your scope up for a 500 yard shot versus a 900 yard shot due to the angle (say a cosine of .56) the MOA values at those ranges Are vastly different. In other words, .25 MOA per click equals 1.309" at 500 yards and 2.356" at 900 yards. This compounds the problem. A true 500 yard shot may take X clicks to get there but the same amount of clicks are too much for the same shot used in this example where 900 yards is the line of sight but 500 yards is the horizontal distance. The target is still 900 yards away and the click or holdover values need to be used accordingly. That is one of the few reasons that the MOA or MIL * cosine works so much better than the yardage * cosine method. But like was pointed out, if your zero is a given yardage such as 300 yards and your angled shot is 300 yards, it doesn't work. This is why the bore line drop must be considered. Ballistic software takes that into consideration. I like to use the illustration of zeroing a rifle at 1000 yards horizontally. Then moving the target 1000 yards straight up. 90 degrees * cosine (0) = 0. The Scope is then not adjusted because the math said 0. When you shoot at the target the bullet ends up behind you because the barrel is pointed beyond 90 degrees. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Hunting
Long Range Hunting & Shooting
How to Shoot Uphill and Downhill
Top