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Double Rifles, Single Shots & Combinations >> Double Rifles
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Gerard
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Reged: 12/06/05
Posts: 44
Loc: N/A
Re: Overstressed Rifling
      15/03/07 07:20 AM

hoppdoc,
Look at it like this. There is wear on both the bullet and the barrel. If you could fire a thousand shots, using the same bullet and a new barrel for every shot, you would have a very sorry looking bullet and a heap of pristine barrels. It is a matter of repetitive use and the lower one can hold the temperature and the pressure, the better. With doubles, there is the additional factor of the expansion of the barrel that accompanies the bullet, some more than others. With bolt rifles, it is of lesser consequence. At worst the rifle can throw the sights. With doubles, the assembly is more intricate and fragile.

As for wear of one metal on the other: In the manufacturing process most bullet manufacturers use carbide tooling that is much harder than barrel steel. Tooling wears out and that is under conditions optimised for tool life, with copious lubrication and heat control. There is precious little of that for the trip the bullet takes down the bore.

We are leaving for the Aim Show in Johannesburg shortly. Back on Tuesday.

Edited by Gerard (15/03/07 07:36 AM)

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Entire topic
Subject Posted by Posted on
* Overstressed Rifling 4seventy 13/03/07 09:17 PM
. * * Re: Overstressed Rifling LGF   14/03/07 03:39 AM
. * * Re: Overstressed Rifling JTOMLINSON   15/03/07 02:02 AM
. * * Re: Overstressed Rifling LGF   15/03/07 03:43 AM
. * * Re: Overstressed Rifling Gerard   15/03/07 04:37 AM
. * * Re: Overstressed Rifling hoppdoc   15/03/07 06:33 AM
. * * Re: Overstressed Rifling Gerard   15/03/07 07:20 AM
. * * Re: Overstressed Rifling Savuti_One_Shot   15/03/07 07:41 AM
. * * Re: Overstressed Rifling DUGABOY1   14/03/07 04:58 AM
. * * Re: Overstressed Rifling 500grains   14/03/07 05:10 AM
. * * Re: Overstressed Rifling Safarischorsch   15/03/07 05:47 AM
. * * Re: Overstressed Rifling 500Nitro   14/03/07 05:27 AM
. * * Re: Overstressed Rifling clark7781   14/03/07 06:23 AM
. * * Re: Overstressed Rifling 500grains   14/03/07 06:32 AM
. * * Re: Overstressed Rifling BigFiveJack   14/03/07 10:48 AM
. * * Re: Overstressed Rifling Marrakai   14/03/07 02:09 PM
. * * Re: Overstressed Rifling NitroXAdministrator   14/03/07 03:41 PM
. * * Re: Overstressed Rifling NitroXAdministrator   14/03/07 03:43 PM
. * * Re: Overstressed Rifling DoubleD   14/03/07 04:31 PM
. * * Re: Overstressed Rifling 500grains   14/03/07 03:37 PM
. * * Re: Overstressed Rifling DUGABOY1   14/03/07 02:55 AM
. * * Re: Overstressed Rifling 500Nitro   13/03/07 09:52 PM
. * * Re: Overstressed Rifling Ripp   14/03/07 12:12 AM

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