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Double Rifles, Single Shots & Combinations >> Double Rifles
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500Nitro
.450 member


Reged: 06/01/03
Posts: 7244
Loc: Victoria, Australia
Re: Rigby 450 Nitro Double For Sale
      26/10/04 06:30 AM

470Rigby

Thanks.

I would agree "that it is a form of Semi-Destructive Testing!" AND
"you have no idea of whether the pressure came withing 1% of failing, or 200%!"

However, I am still glad that the English proof the guns !!!

Re the 30% over the HMSP, I have heard it said that proof now is LESS severe than it was
in the early days.

"Not much of a margin given the vagaries of temperature, bore size and bullet hardness/diameter/bearing surface etc."

That is why I slug all of my bores before firing to make sure. I did a test on about 10 - 12 450/400's and only
found 1 that was a true .408, however in talking to others, .406 - .412 have been found.

Imagine IF someone put a .411 Monolithic in a .406 bore - probably a bit more than a 30% increase.
AT least Woodleigh Steel solids have some "give" in them !!!

Speak soon.


500 Nitro








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Entire topic
Subject Posted by Posted on
* Rigby 450 Nitro Double For Sale Prewar70 10/08/04 01:39 PM
. * * Re: Rigby 450 Nitro Double For Sale nitro476   21/10/04 12:22 PM
. * * Re: Rigby 450 Nitro Double For Sale NitroXAdministrator   23/10/04 01:21 PM
. * * Re: Rigby 450 Nitro Double For Sale 500Nitro   22/10/04 03:21 PM
. * * Re: Rigby 450 Nitro Double For Sale nitro476   24/10/04 05:58 AM
. * * Re: Rigby 450 Nitro Double For Sale 470Rigby   24/10/04 12:49 PM
. * * Re: Rigby 450 Nitro Double For Sale nitro476   28/10/04 12:59 AM
. * * Re: Rigby 450 Nitro Double For Sale 500Nitro   25/10/04 02:25 PM
. * * Re: Rigby 450 Nitro Double For Sale nitro476   28/10/04 01:12 AM
. * * Re: Rigby 450 Nitro Double For Sale 470Rigby   25/10/04 04:17 PM
. * * Re: Rigby 450 Nitro Double For Sale 500Nitro   25/10/04 08:52 PM
. * * Re: Rigby 450 Nitro Double For Sale 470Rigby   25/10/04 10:03 PM
. * * Re: Rigby 450 Nitro Double For Sale 500Nitro   26/10/04 06:30 AM
. * * Re: Rigby 450 Nitro Double For Sale SaHunter   14/09/04 02:54 AM
. * * Re: Rigby 450 Nitro Double For Sale Prewar70   24/08/04 02:00 PM
. * * Re: Rigby 450 Nitro Double For Sale bonanza   21/10/04 10:57 PM
. * * Re: Rigby 450 Nitro Double For Sale bonanza50   12/08/04 01:10 AM
. * * Re: Rigby 450 Nitro Double For Sale Prewar70   12/08/04 03:31 AM
. * * Re: Rigby 450 Nitro Double For Sale NitroXAdministrator   11/08/04 11:43 PM

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