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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

Rhodes
.275 member

Reged: 20/09/11
Posts: 94
Loc: NQ, Australia

Re: Demiblock , Shoelump or ?
31/08/13 06:22 PM

Hi shotgunlover,

You raise some good examples but you are talking shotgun shells which have straight/parrallel sides with no taper. When you fire the shell the pressure expands the catridge and the straight sides grip the chamber walls. I would suggest if you oiled the shotgun cartridge before you loaded and fired it you might see a different result.

I have seen similar discussion where tests were carried out on rifle cartridges fired from an open barrel. No bolt or breech face to stop the cartridge moving backwards when fired. The straight / parrallel sided cases remained in the chamber when fired, as in your examples above. The cartridges with tapered sides (most rifle cartridges) shot out the back of the barrel as fast as the bullet shot out the front of the barrel.

Food for thought.

Cheers
Rhodes

Post Extras

Entire topic
Subject	Posted by	Posted on
Demiblock , Shoelump or ?	savage458	24/08/13 07:39 AM
Re: Demiblock , Shoelump or ?	Birdhunter50	24/08/13 10:57 PM
Re: Demiblock , Shoelump or ?	doubleriflejack	24/08/13 08:37 AM
Re: Demiblock , Shoelump or ?	savage458	24/08/13 12:07 PM
Re: Demiblock , Shoelump or ?	Rhodes	24/08/13 04:16 PM
Re: Demiblock , Shoelump or ?	savage458	24/08/13 10:44 PM
Re: Demiblock , Shoelump or ?	savage458	24/08/13 10:29 PM
Re: Demiblock , Shoelump or ?	Rhodes	24/08/13 11:55 PM
Re: Demiblock , Shoelump or ?	savage458	25/08/13 09:06 PM
Re: Demiblock , Shoelump or ?	Rhodes	27/08/13 05:58 PM
Re: Demiblock , Shoelump or ?	alexbeer	27/08/13 09:25 PM
Re: Demiblock , Shoelump or ?	savage458	29/08/13 12:13 PM
Re: Demiblock , Shoelump or ?	alexbeer	31/08/13 09:40 AM
Re: Demiblock , Shoelump or ?	Birdhunter50	31/08/13 10:51 PM
Re: Demiblock , Shoelump or ?	alexbeer	01/09/13 11:19 AM
Re: Demiblock , Shoelump or ?	Birdhunter50	01/09/13 09:16 PM
Re: Demiblock , Shoelump or ?	twobobbwana	03/09/13 10:47 AM
Re: Demiblock , Shoelump or ?	alexbeer	04/09/13 08:14 AM
Re: Demiblock , Shoelump or ?	twobobbwana	04/09/13 10:06 AM
Re: Demiblock , Shoelump or ?	twobobbwana	04/09/13 10:41 AM
Re: Demiblock , Shoelump or ?	transvaal	04/09/13 11:35 AM
Re: Demiblock , Shoelump or ?	twobobbwana	04/09/13 02:21 PM
Re: Demiblock , Shoelump or ?	transvaal	04/09/13 03:54 AM
Re: Demiblock , Shoelump or ?	bouldersmith	04/09/13 07:36 AM
Re: Demiblock , Shoelump or ?	savage458	01/09/13 07:33 AM
Re: Demiblock , Shoelump or ?	savage458	01/09/13 01:41 AM
Re: Demiblock , Shoelump or ?	savage458	31/08/13 11:28 AM
Re: Demiblock , Shoelump or ?	Huvius	29/08/13 12:51 PM
Re: Demiblock , Shoelump or ?	Birdhunter50	29/08/13 09:59 PM
Re: Demiblock , Shoelump or ?	Shotgunlover	31/08/13 05:06 AM
Re: Demiblock , Shoelump or ?	Rhodes	31/08/13 06:22 PM
Re: Demiblock , Shoelump or ?	Shotgunlover	31/08/13 09:48 PM
Re: Demiblock , Shoelump or ?	savage458	31/08/13 10:44 PM
Re: Demiblock , Shoelump or ?	savage458	28/08/13 09:51 AM
Re: Demiblock , Shoelump or ?	Rhodes	28/08/13 12:44 PM
Re: Demiblock , Shoelump or ?	savage458	29/08/13 06:23 AM
Re: Demiblock , Shoelump or ?	savage458	24/08/13 07:45 AM

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