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Thread: Minor Rust in barrel
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05-10-2019, 14:18 #21
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05-10-2019, 14:20 #22
Re: Minor Rust in barrel
I had ask for details of the ammo used.
live out your imagination , not your history.
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05-10-2019, 18:08 #23
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Re: Minor Rust in barrel
Not surprising really. Copper fouling in a steel barrel; damp environment. Google "galvanic corrosion".
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05-10-2019, 21:20 #24
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05-10-2019, 22:53 #25
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05-10-2019, 23:17 #26
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05-10-2019, 23:18 #27
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Re: Minor Rust in barrel
Here's one article about "serious pitting" and what it does to accuracy. And no, the pistol didn't blow up.
https://www.shootingtimes.com/editor...accuracy/99084
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05-10-2019, 23:54 #28
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06-10-2019, 01:34 #29
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06-10-2019, 08:53 #30
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Re: Minor Rust in barrel
Please my friend treeman, my Afrikaans is still so weak that to prevent misunderstandings I'll have to ask you to use either English or Finnish. Swedish and German will also do fine.
We are talking about "serious pitting", whatever the word "serious" means to a person, but as you do understand, steel can't grow by itself, but as per the laws of entropy the barrel is more or less a closed system which can only degrade. That said, the bullet is interacting with the barrel and it adds some material to the bore, but more about it a bit later.
The assertion I'm challenging is
which to my knowing doesn't have any real life basis.
Pitting is in essence missing metal. Missing metal in a gun bore (basically a smooth tube or with grooves) makes the barrel for the lack of a better term, less tight, usually unevenly so which may or may not measurably affect accuracy. The pressure behind the bullet is in effect relative to the tightness of the bore, since tighter the bore - more resistance to to the movement of the bullet, hence when the diameter of this hole grows the resistance lessens and even if there might be fluctuations on the pressure curve, the peak pressure drops, more so if there's lots of blow-by caused by the less than perfect bullet to barrel seal.
However, if we are talking about slight pitting, there is a possibility that these pits on the bore will resist the movement of the bullet scraping jacket material thus gradually filling up with the said material, there will be a momentary peak in the pressure curve, but the "peak" will be negligible or impossible to even measure.
So no, there is no scientific basis nor known to me instances of bore pitting maiming or killing people.
Please, prove me wrong and I'll be happy to stand corrected
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