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roller delayed blowback info ?
Weaponeer Forums : Blueprints and Drawings

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  godsownrifle

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Posted: January 08 2016 at 11:44am | IP Logged Quote godsownrifle

Anyone got and drawings, info, or book pages scans that show the dimensions, angles and design criteria for a roller delayed system ?

I would like to draw and re design my own parts, and work out how to make them in a small workshop.
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  Holescreek

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Posted: January 10 2016 at 5:23pm | IP Logged Quote Holescreek

godsownrifle wrote:
Anyone got and drawings, info, or book pages scans that show the dimensions, angles and design criteria for a roller delayed system ?

I would like to draw and re design my own parts, and work out how to make them in a small workshop.


LP dimensions here: http://www.militaryfirearm.com/Forum/showthread.php?17470-Lo cking-Piece-Type-Study

Trunnions here: http://www.militaryfirearm.com/Forum/showthread.php?22651-Tr unnion-Survey-Further-Analysis&highlight=trunnion+type+s tudy

There's more you need to know but those ought to hold you for awhile. It isn't the rollers or the return spring that hold the rifle locked (delayed) at all, they merely provide leverage.

The same trunnion study is posted on weaponsguild but goes into a bit more detail at the end where a formula for calculating LP shoulder angles for various calibers was added.
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  backbencher

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  godsownrifle

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Posted: August 22 2016 at 10:36am | IP Logged Quote godsownrifle

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