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
How important is bc?
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: 357409" data-attributes="member: 1007"><p>Sorry to confuse you Mike. I didnt get TOF confused with the lag within it. My words may not have sounded clear but I get it. I was just pointing out that it is not TOF that is responsible for windage rather the lag within it. That is, how fast or slow the bullet looses its velocity.</p><p></p><p>Sorry, I dont agree with you that gravity is the sole function of drop. Drop is directly related to TOF and TOF is directly related to air density. You dont have to invoke 2 BC's for wind and drop. That is why the calculations for drop include gravity as a factor. If there were no air density, the trajectory would be purely parobolic. In other words, the highest point would always be at the exact center of the arc. In the world we live in the highest point in the trajectory is closer to the target than we are. Also, that is why we cannot simply take the angle of a shot's cosine and multiply it by the yardage and aim for the corrected yardage. In a vacume this would work. In our air it does not work. Why? Because gravity is NOT the only influence on the bullet. If gravity was the only influence that simple system would work just fine yet we multiply the cosine by the drop from borline. Why? Because drop from boreline reflects gravity and air density. So yes, air density absolutely plays a role in bullet drop as well as wind.</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 357409, member: 1007"] Sorry to confuse you Mike. I didnt get TOF confused with the lag within it. My words may not have sounded clear but I get it. I was just pointing out that it is not TOF that is responsible for windage rather the lag within it. That is, how fast or slow the bullet looses its velocity. Sorry, I dont agree with you that gravity is the sole function of drop. Drop is directly related to TOF and TOF is directly related to air density. You dont have to invoke 2 BC's for wind and drop. That is why the calculations for drop include gravity as a factor. If there were no air density, the trajectory would be purely parobolic. In other words, the highest point would always be at the exact center of the arc. In the world we live in the highest point in the trajectory is closer to the target than we are. Also, that is why we cannot simply take the angle of a shot's cosine and multiply it by the yardage and aim for the corrected yardage. In a vacume this would work. In our air it does not work. Why? Because gravity is NOT the only influence on the bullet. If gravity was the only influence that simple system would work just fine yet we multiply the cosine by the drop from borline. Why? Because drop from boreline reflects gravity and air density. So yes, air density absolutely plays a role in bullet drop as well as wind. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How important is bc?
Top