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
Advise please
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="Gustavo" data-source="post: 161181" data-attributes="member: 6"><p></p><p> </p><p><span style="color: black"><span style="color: black">The reason for a "higher trajectory" is based on the "effective gravity distance"</span></span></p><p> </p><p><span style="color: black"><span style="font-size: 10px"><span style="color: black">And as the incline gets stepper the <strong>"effective"</strong> distance on which the bullet is affected by gravity, becomes shorter, so the drop</span> is less as can be deduced, in short for a given ZR the trajectory will be always "higher" in terms of PATH not in terms of DROP.</span></span></p><p> </p><p><span style="color: black">That's why at some extent ( moderate ranges and angles ) the "Cosine rule" works. Of course, reality is a little bit more complex than that, and the "rule" is wrong in exact ballistics terms, but as said before, could be a reasonable approach within its operative limits.</span></p><p> </p><p><span style="color: black">Just to illustrate the point, here goes some examples, based on the data as posted. ( I assumed a ZR=100 yards and a SH=1.5 in )</span></p><p> </p><p><span style="color: black"><img src="http://i182.photobucket.com/albums/x181/GustavoFabianRuiz/LB2_Data-1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></span></p><p> </p><p> </p><p><img src="http://i182.photobucket.com/albums/x181/GustavoFabianRuiz/LB2_Incline.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p> </p><p><img src="http://i182.photobucket.com/albums/x181/GustavoFabianRuiz/LB2_InclineGraphs.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Gustavo, post: 161181, member: 6"] [COLOR=black][/COLOR] [COLOR=black][COLOR=black]The reason for a "higher trajectory" is based on the "effective gravity distance"[/COLOR][/COLOR] [COLOR=black][SIZE=2][COLOR=black]And as the incline gets stepper the [B]"effective"[/B] distance on which the bullet is affected by gravity, becomes shorter, so the drop[/COLOR] is less as can be deduced, in short for a given ZR the trajectory will be always "higher" in terms of PATH not in terms of DROP.[/SIZE][/COLOR] [COLOR=black]That's why at some extent ( moderate ranges and angles ) the "Cosine rule" works. Of course, reality is a little bit more complex than that, and the "rule" is wrong in exact ballistics terms, but as said before, could be a reasonable approach within its operative limits.[/COLOR] [COLOR=black]Just to illustrate the point, here goes some examples, based on the data as posted. ( I assumed a ZR=100 yards and a SH=1.5 in )[/COLOR] [COLOR=black][IMG]http://i182.photobucket.com/albums/x181/GustavoFabianRuiz/LB2_Data-1.jpg[/IMG][/COLOR] [IMG]http://i182.photobucket.com/albums/x181/GustavoFabianRuiz/LB2_Incline.jpg[/IMG] [IMG]http://i182.photobucket.com/albums/x181/GustavoFabianRuiz/LB2_InclineGraphs.jpg[/IMG] [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Hunting
Long Range Hunting & Shooting
Advise please
Top