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Bullet Attitude
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<vssf>
posted
In the book Precision Shooting at 1000yds it says " The bullet leaves the barrel pointing high and retains that attitude in the air all the way to the target"

The Vihtavourie reloading manual shows a diagram of this and describes it as an over stabalized bullet.

Who is correct? I would have thought a correctly stabalized bullet would follow its trajectory.

Regards

Ray

 
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<Don G>
posted
Ray,

Most bullets are over-stabilized. They will travel nose high at extreme ranges as depicted. The nose-high attitude can cause a little bit of lift, but basically the bullet follows the expected trajectory.

Hatcher did an experiment of firing the 30-06 straight up into the air. The bullets usually landed base down and still spinning -in just they same attitude as they left the barrel.

Don

 
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<vssf>
posted
Hi Don

Thanks for the prompt reply.

Can I assume that a correctly stabalized bullet will follow the trajectory. I would have thought this would be beneficial drag wise.

I think the shooting bullets verticaly bit is a red hering as under, over and correctly stabalized bullets will all fall tail first. No disrespect intended.

Regards

Ray

 
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one of us
Picture of Vibe
posted Hide Post
I've found this site to be quite helpful with this question

http://www.povn.com/~4n6/index.htm#Contents

 
Posts: 211 | Location: Little Rock, AR. USA | Registered: 23 May 2002Reply With Quote
One of Us
Picture of Zero Drift
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Vibe - Excellent technical site. Thanks for posting this. I think many shooters believe that bullets follow an arc like a football to the target. As the �How Do Bullets Fly� web site demonstrates, bullets don�t follow a true arc and there are many factors that effect trajectory dynamics.

I shoot a little bit on the 1,000 yard range. Key-holing (static stability) is a common situation. Bullets maintain a nose high attitude throughout their flight to the target. The key is addressing twist, bullet mass, and velocity to ensure adequate stability without over stabilizing the bullet. It can be a frustrating process of hide-and-seek.

 
Posts: 10780 | Location: Test Tube | Registered: 27 February 2001Reply With Quote
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