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Double Rifles, Single Shots & Combinations >> Double Rifles
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JPK
.375 member


Reged: 31/08/04
Posts: 734
Loc: Chevy Chase, MD
Re: What is causing this - any ideas?
      08/06/06 12:00 AM

In Graeme Wright's book he discusses how a double can come together at a velocity below that for which it was regulated, then divirge and come together again at the correct velocity.

It happens in my rifle with very light loads with full weight bullets. I suspect that, at least for my rifle, there isn't enough recoil to "uncross" the barrels. I beleive that my theory is supported by the fact that the rifle shoots low with these light loads as well, indicating the there also isn't enough recoil to create sufficient muzzle rise. Faster loads with more recoil conform "to the rules" and more velocity brings the barrels together, vertical change doesn't seem to be much of an issue past a certain velocity and recoil level. But I haven't taken a bullet and powder selection through the whole progression that Wright describes.

JPK

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Entire topic
Subject Posted by Posted on
* What is causing this - any ideas? GG375 07/06/06 02:32 PM
. * * Re: What is causing this - any ideas? DUGABOY1   11/06/06 04:03 AM
. * * Re: What is causing this - any ideas? k80   11/06/06 10:43 AM
. * * Re: What is causing this - any ideas? GG375   12/06/06 02:51 AM
. * * Re: What is causing this - any ideas? foxfire   12/06/06 04:28 AM
. * * Re: What is causing this - any ideas? unspellable   17/06/06 07:13 AM
. * * Re: What is causing this - any ideas? BlainSmipy   10/06/06 02:34 AM
. * * Re: What is causing this - any ideas? 400NitroExpress   08/06/06 08:20 AM
. * * Re: What is causing this - any ideas? foxfire   08/06/06 06:19 AM
. * * Re: What is causing this - any ideas? bulldog563   08/06/06 10:13 AM
. * * Re: What is causing this - any ideas? foxfire   08/06/06 01:43 PM
. * * Re: What is causing this - any ideas? GG375   08/06/06 07:19 PM
. * * Re: What is causing this - any ideas? k80   09/06/06 10:02 AM
. * * Re: What is causing this - any ideas? GG375   09/06/06 10:35 AM
. * * Re: What is causing this - any ideas? foxfire   09/06/06 01:27 PM
. * * Re: What is causing this - any ideas? GG375   10/06/06 04:00 PM
. * * Re: What is causing this - any ideas? foxfire   11/06/06 12:33 AM
. * * Re: What is causing this - any ideas? Sunshine   08/06/06 05:47 AM
. * * Re: What is causing this - any ideas? Bwanaclark   08/06/06 02:08 AM
. * * Re: What is causing this - any ideas? JPK   08/06/06 12:00 AM

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