B-4 Trigger mods,,, spring bearing added

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B-4 Trigger mods,,, spring bearing added

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DoctorFrankengun

Post subject: B-4 Trigger mods,,, spring bearing added

Posted: Tue May 15, 2007 1:24 pm

Joined: Thu Sep 08, 2005 12:58 pm
Posts: 1657
Location: Cochrane, Ontario Canada

http://www.getphpbb.com/phpbb/viewtopic ... orum=drfaf

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DoctorFrankengun

Post subject:

Posted: Sat May 19, 2007 10:45 am

Joined: Thu Sep 08, 2005 12:58 pm
Posts: 1657
Location: Cochrane, Ontario Canada

The spring on a B-4 sits on a flat surface in the bottom of the piston. To allow the spring to freely twist or rotate during the cycle I made this round nose bearing from 660 bearing bronze.

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airbuddy3

Post subject:

Posted: Sat May 19, 2007 12:56 pm

Banned

Joined: Tue Sep 06, 2005 10:21 am
Posts: 869
Location: Banned

Thats an excellent Idea George that will prevent the torqueing of the spring while it expands from being transferred to the piston and the rest of the gun . It also adds some spaceing and added mass to the piston .

Frank

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Krazy Mike

Post subject:

Posted: Sat May 19, 2007 1:44 pm

Joined: Fri Jan 20, 2006 11:27 am
Posts: 4510
Location: R.R. #3 Simhoe

I wonder if a large Round Headed Bolt would do the same thing ? That is the best idea so far though, lathing it out like that.

Krazy Mike... :wink:

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DoctorFrankengun

Post subject:

Posted: Sat May 19, 2007 2:15 pm

Joined: Thu Sep 08, 2005 12:58 pm
Posts: 1657
Location: Cochrane, Ontario Canada

Krazy Mike wrote:

I wonder if a large Round Headed Bolt would do the same thing ? That is the best idea so far though, lathing it out like that.

Krazy Mike... :wink:

A round headed bolt should be ok I would think. It couldn't be an worse than the steel on steel as it comes from the factory. If it is greased it shouldn't gaul.

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