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Powder\Velocity\Accuracy

 
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  #1  
Old 04-12-2007, 02:31 PM
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Powder\\Velocity\\Accuracy

Why can two powders, pushing the same bullet at the same velocity have such varying levels of accuracy? I don't question that it's true, but why? [img]/ubbthreads/images/graemlins/confused.gif[/img]
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Old 04-12-2007, 02:58 PM
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Re: Powder\\Velocity\\Accuracy

Burn rates maybe ???
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Old 04-12-2007, 04:20 PM
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Re: Powder\\Velocity\\Accuracy

Differing peak pressures, bullet acceleration and barrel harmonics.

That's my uneducated guess. [img]/ubbthreads/images/graemlins/smile.gif[/img]
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Old 04-12-2007, 04:23 PM
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Re: Powder\\Velocity\\Accuracy

Nobody knows...
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Old 04-12-2007, 04:26 PM
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Re: Powder\\Velocity\\Accuracy

[ QUOTE ]
Differing peak pressures, bullet acceleration and barrel harmonics.

That's my uneducated guess. [img]/ubbthreads/images/graemlins/smile.gif[/img]

[/ QUOTE ]


I might add different presure curve also........
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Old 04-12-2007, 04:48 PM
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Re: Powder\\Velocity\\Accuracy

I would stress barrel harmonics. Different Rifles of the same make, and same cartridge will shoot the same bullets differently. That is my uneducated guess!
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