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High Pressure Flush System/High Speed Chambering Class

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  #1  
Unread 12-20-2009, 11:47 PM
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High Pressure Flush System/High Speed Chambering Class

If all goes as planned, I will be teaching a 5 Day NRA Gunsithing class on Building and using a High Pressure Flush system for chambering rifle barrels at Trinidad State Junior College the week of June 7-11, 2010. If you might be interested please contact donnahaddow@trinidadstate.edu or call 719 846-5541.

Nat Lambeth
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  •   #2  
    Unread 12-21-2009, 09:46 AM
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    Re: High Pressure Flush System/High Speed Chambering Class

    Hi Nat,

    Here's a few pics of the one I build for Nesika. 600lbs of oil pressure is a beautiful thing. Just be sure to keep the fingers out of the way!

    Good luck on your class.

    Chad




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      #3  
    Unread 12-21-2009, 04:38 PM
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    Re: High Pressure Flush System/High Speed Chambering Class

    Chad:

    I am running Rustlic 255R cut 5:1. I can not run those kinds of presures in an open lathe. I am running from 35-125 psi. But it works very well.

    I use the same Duff Norton Rotary Coupler that you have in your picture.

    Nat
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      #4  
    Unread 12-21-2009, 07:11 PM
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    Re: High Pressure Flush System/High Speed Chambering Class

    That's a Dumore coupler. Carbide seals, 1800rpm capacity, and 2500lbs pressure rating. About $800 bucks.

    The rub is the carbide seals. You MUST have clean fluid going through otherwise they'll erode quickly. I made those filter enclosures from scratch after a System One oil filter exploded on me (Christmas day, 2004 as I was chambering my Palma rifle)

    In addition to those two filters there's a 3rd one that's not shown. A big, tall sock filter that is part of the pump. It gets the big stuff and these strained the itty bitties.


    All the best,

    Chad
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      #5  
    Unread 12-21-2009, 07:59 PM
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    Re: High Pressure Flush System/High Speed Chambering Class

    Impresive !
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      #6  
    Unread 12-21-2009, 11:13 PM
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    Re: High Pressure Flush System/High Speed Chambering Class

    I'm just learning but it looks like you push the fluid in the muzzle and out past the reamer. Where does the fluid go after it exits the chamber end?
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      #7  
    Unread 12-21-2009, 11:37 PM
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    Re: High Pressure Flush System/High Speed Chambering Class

    A John Deere combine uses a hydraulic coupler like that on combines for a couple hundred dollars. They run at 1200rpm up to 3000psi with hydraulic oil. Thy last 1000's of hours.
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