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DoubleD
.400 member


Reged: 23/11/03
Posts: 2437
Loc: Retired in Oklahoma
Re: Backthrust on actions
      28/10/20 11:29 PM

Bolt thrust is an engineering equation used to determine shear strength for locking lugs in a firearm. From the equation the type of steel can determined for construction of the lugs when you are designing a gun..

If you can determine the type of metal used for the locking lugs in an existing gun you can determine the predicted strength of the lugs.

It is often thrown out in gun build ing discussion


I am sure that bolt thrust is part of the equation into the double gun design, but by its configuration it seems other parameters are involve.


This is at the very tip top of my knowledge on the subject. At college this was touched so we were aware.
Beyond that it was implied that this was higher level of knowledge than was need for an ordinary gunsmith, being in the area of engineering.

I regret not going on and getting the 4 year degree-Manufacturing Engineer.

Edited by DoubleD (28/10/20 11:30 PM)

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Entire topic
Subject Posted by Posted on
* Backthrust on actions AR2201 18/09/05 06:06 PM
. * * Re: Backthrust on actions NitroXAdministrator   28/10/20 04:53 AM
. * * Re: Backthrust on actions crshelton   28/10/20 02:13 PM
. * * Re: Backthrust on actions NitroXAdministrator   28/10/20 03:03 PM
. * * Re: Backthrust on actions Hunter4752001   28/10/20 05:47 PM
. * * Re: Backthrust on actions NitroXAdministrator   28/10/20 06:17 PM
. * * Re: Backthrust on actions DoubleD   28/10/20 11:29 PM
. * * Re: Backthrust on actions Otto   18/09/05 10:54 PM
. * * Re: Backthrust on actions sportingrifle   20/09/05 04:54 PM
. * * Re: Backthrust on actions AR2201   20/10/05 08:28 PM
. * * Re: Backthrust on actions 500Nitro   20/10/05 08:47 PM
. * * Re: Backthrust on actions AR2201   20/10/05 10:16 PM
. * * Re: Backthrust on actions unspellable   21/09/05 02:53 AM
. * * Re: Backthrust on actions 500Nitro   18/09/05 08:47 PM
. * * Re: Backthrust on actions AR2201   18/09/05 10:17 PM
. * * Re: Backthrust on actions 500Nitro   18/09/05 10:38 PM
. * * Re: Backthrust on actions AR2201   19/09/05 01:36 AM
. * * Re: Backthrust on actions 500Nitro   19/09/05 01:57 AM
. * * Re: Backthrust on actions banzaibird   18/09/05 10:55 PM
. * * Re: Backthrust on actions bonanza   18/09/05 11:41 PM
. * * Re: Backthrust on actions DUGABOY1   19/09/05 04:55 AM
. * * Re: Backthrust on actions banzaibird   19/09/05 06:02 AM
. * * Re: Backthrust on actions Marrakai   19/09/05 10:39 AM
. * * Re: Backthrust on actions 500grains   19/09/05 01:06 PM
. * * Re: Backthrust on actions AR2201   20/10/05 09:21 PM
. * * Re: Backthrust on actions banzaibird   18/09/05 11:53 PM
. * * Re: Backthrust on actions 500Nitro   18/09/05 11:53 PM

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