Need A Knowledgeable Explanation......

[HKMark23]

And here I thought the bullet travelled in a straight line along a warp in spacetime that brought it into a collision course with the earth. "Now where did I put my tinfoil hat?" .

 

[joe-nwt]

who cares what it does in relation to the bore axis? it's elevation changes, that's what happens, that means it climbs.

How about if you take that same rifle and point it down at about 45deg.

Does it still climb? In relation to what?

 

[Slavex]

I already mentioned that when shooting down at a target the bullet wouldn't climb in elevation.

 

[maynard]

Then why would it climb if it was pointed parallel to the ground?

 

[JohnS4570]

Semantics, tinfoil hats,-and The Theory of Relativity--- is all this really necessary?
Get someone at your local rod and gun club who is an experienced shooter to show you how to sight in a rifle.

Good luck,
John S.

 

[Max Owner]

Sorry to have brought this up, guys.

 

[jkf]

who cares what it does in relation to the bore axis? it's elevation changes, that's what happens, that means it climbs.

No it doesn't "climb" in relation to the bore axis, joe is right!
bigbull

duh.

I can't beleive I read this whole thread.

Does anyone really think bullets magically levitate after you shoot them?

I didn't think so. I don't know why there are so many people arguing vehemently against this when nobody is arguing in favour of it.

Obviously a bullet climbs out of the muzzle assuming that you are shooting at something level with the muzzle or higher, or else it would hit low. duh.

Doesn't bartell have any funny pictures to close the thread off with?

 

[bigbull]

Obviously a bullet climbs out of the muzzle assuming that you are shooting at something level with the muzzle or higher, or else it would hit low. duh.

:shock: :shock: :lol:

 

[joe-nwt]

Obviously a bullet climbs out of the muzzle assuming that you are shooting at something level with the muzzle or higher, or else it would hit low. duh.

I, for one, am awestruck. :lol: :lol:

 

[Canuck223]

umm excuse me? the bullet doesn't climb? then how do you explain the ability to hit targets at different distances? because the bullet does climb. True it is decelerating during it's entire flight time. But depending on the angle of the rifle at the time of the shot, the bullet sure as hell does climb. Lets not get confused here fellas. The way you guys are talking you shoot a rifle with the barrel totally level and the bullet mysteriously finds it way to targets at various distances, well somehow in my physics classes that wouldn't work.

Maybe it's best to just explain that since bullets do not generate lift, like in an airplane wing, they drop in an arc due to gravity.

 

[bigbull]

OK guys, 50 posts to this thread, anybody else have an opinion :!:

Now just to make it a little more juicy :twisted: .

What if we fire two bullets, one is 100gr and the other is 200gr both have the same BC and both start at the same velocity which one will drop first?
bigbull

 

[stubblejumper]

I do have a 25 MOA base.

Everyone seems to be missing that one little part of the original post.Because of the angled base the scope is not parallel to the bore which can make bore sighting more difficult.

 

[Slavex]

I don't recall saying that the bullet would climb if the bore was parallel to the ground. Only if it the gun was pointed up.
And as stated above the bullet doesn't generate lift, which I have heard people argue about, hell it's even been talked about on one of the CSI's I believe. But generating lift and climbing are not one and the same thing.

 

[maynard]

I don't recall saying that the bullet would climb if the bore was parallel to the ground.

You can't change your mind now. This is just getting good

 

[WWIII]

You all need to go here: Planes, cannons and trajectory. :lol: http://www.glenbrook.k12.il.us/gbssci/phys/Class/vectors/u3l2b.html

 

[JohnS4570]

Just to elevate(pun intended) this discussion, I recall a mathematical discussion that certain wind conditions could result in a vertical deflection of a spinning bullet, sort of like throwing a curve ball into all this. Please, before I start climbing the walls or out of barrels,enough!

John S.

 

[Max Owner]

I'm hitting around the center of the target, now. 8)



:shock:

 

[joe-nwt]

Just to elevate(pun intended) this discussion, I recall a mathematical discussion that certain wind conditions could result in a vertical deflection of a spinning bullet, sort of like throwing a curve ball into all this. Please, before I start climbing the walls or out of barrels,enough!

John S.

Enough what? Don't ever click this thread again. You have been warned.

 

[Randy Carriere]

I don't think I changed anyones mind but for what it's worth, the website I mentioned earlier, go to highed blue "extrenal ballistics"...then down the page to topics titled "some caveats". A quote from there:

"When made stable gyroscopically by spinning, its center-of-gravity will follow the flight path. However, the nose of the bullet stays above the flight path ever so little just because the bullet has a finite length and generates some lift. This causes the bullet to fly at a very small angle of attack with respect to the flight path. The angle of attack produces a small upward cross flow over the nose that results in a small lift force".

Believe whatever you like as this author could be just as wrong as an author saying the opposite. You would need to read site and decide for yourself. I don't agree with the fellow commenting that all this is unnecessary. He's probably right in terms of resolving the original posters question and I know that this is mostly theoretical. For me, its just more interesting hearing others thoughts on this. If all we got was one word, off the cuff replys/comments to questions....I just think that would be kind of boring. Original posters problem with target/sighting in is, IMHO likely due to scope mounts, scope, receiver in that order. Some defect with these or how they were installed. Good shooting Ladies and Gents.