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
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Canting formula
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="Bart B" data-source="post: 108380" data-attributes="member: 5302"><p>[ QUOTE ]</p><p>Here is some good reading on it.</p><p> <a href="http://www.riflescopelevel.com/cant_errors.html#vha" target="_blank">http://www.riflescopelevel.com/cant_errors.html#vha</a> </p><p></p><p>[/ QUOTE ]Sad to say, the data in this link is wrong because it's incomplete. It uses the high point in the trajectory to the target. That's not where the bullet strikes; the bullet strikes the target. Which is why one has to use bullet drop at the target range. The horizontal change in impact will be more than were the trajectory's high point (THP) is horizontlly because bullet drop at the THP is not quite half of the drop at the target. In the link's diagram, bullet impact will be further to the right of the indicated circle and about as far below the line of sight as the canted THP circle is below the original THP circle. </p><p></p><p>I've heard or read this link's explanation of cant for over 40 years. This one goes only half way showing what happens about 60% of the distance to the target. It would be correct if it showed the impact change at the target 'cause that's what matters and that's where the bullet drop number is important.</p></blockquote><p></p>
[QUOTE="Bart B, post: 108380, member: 5302"] [ QUOTE ] Here is some good reading on it. [url="http://www.riflescopelevel.com/cant_errors.html#vha"]http://www.riflescopelevel.com/cant_errors.html#vha[/url] [/ QUOTE ]Sad to say, the data in this link is wrong because it's incomplete. It uses the high point in the trajectory to the target. That's not where the bullet strikes; the bullet strikes the target. Which is why one has to use bullet drop at the target range. The horizontal change in impact will be more than were the trajectory's high point (THP) is horizontlly because bullet drop at the THP is not quite half of the drop at the target. In the link's diagram, bullet impact will be further to the right of the indicated circle and about as far below the line of sight as the canted THP circle is below the original THP circle. I've heard or read this link's explanation of cant for over 40 years. This one goes only half way showing what happens about 60% of the distance to the target. It would be correct if it showed the impact change at the target 'cause that's what matters and that's where the bullet drop number is important. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Canting formula
Top