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Chamber flush system build log.

LVLAaron said:
www.ebay.com

PROCON PUMP KIT WITH MOTOR BRASS ROTARY VANE PUMP 115 VAC MTR 1/3HP 60HZ 6.2A | eBay

PROCON PUMP KIT WITH MOTOR. PROCON PUMP BY PROCON PRODUCTS / STANDEX. BRASS ROTARY VANE PUMP. SELF PRIMING (WATER): 6FT MAXIMUM LIFT. PUMP MODEL # 125A100F11AA250. PORT SIZE: 3/8 NPT INLET AND OUTLET.
www.ebay.com

Staring at this intently.
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Proconn is the de facto standard for carbonator pumps. I got mine used on ebay for $50 though. Maybe keep an eye on ebay until a cheaper one comes up.
 
Dr Geoffrey Kolbe is an authority in engineering especially rifles.his cut rifled barrels were excellent.his chamber reamers and tooling are excellent also.he may be a little eccentric but a real craftsman,meticulous.so knowledgeable.i would pretty much put everything I own on what he said about cutting oil vs water based coolant for chamber reamers he would have done the test.
 
Carl S said:
Dr Geoffrey Kolbe is an authority in engineering especially rifles.his cut rifled barrels were excellent.his chamber reamers and tooling are excellent also.he may be a little eccentric but a real craftsman,meticulous.so knowledgeable.i would pretty much put everything I own on what he said about cutting oil vs water based coolant for chamber reamers he would have done the test.
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That may be so, but when I hear him claim that a single chambering will ruin a reamer, then I have to be skeptical as this is the opposite of my experience. I've dulled reamers after 4 or 5 chamberings with oil (Viper's Venom) but coolant based reaming results in a reamer indistinguishable from brand new after dozens of chamberings. Some day I may be up to hundreds and I can make a more informed comparison, but I'm not Dave Tooley so that'll be in a decade or so.
 
INTJ said:
I thought the typical lathe coolant pump was designed to run water based coolant vs cutting oil? I know that the supplied coolant pump on the PM 1440 GT won't run continuously for more than about 10 minutes when pumping oil without throwing the thermal breaker. I like that $179 system you linked to, but will it hold up to 30 minutes of pumping cutting oil?
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imersion vs suction
two different styles
 
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Nuttin' fancy here. Homemade tank with baffle inside to keeps chips separated. Filter system in place. Used to use standard coolant pump, but did not make enough pressure. Carbonator turned down is the ticket. Pump on take is just used as a siphon tube lol. Gretan cup. Got a ball valve to limit flow and a quick cut off when things go haywire. One thing that I would like to add is a foot pedal on the pump. That would come in handy.
 

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GenePoole said:
That may be so, but when I hear him claim that a single chambering will ruin a reamer, then I have to be skeptical as this is the opposite of my experience. I've dulled reamers after 4 or 5 chamberings with oil (Viper's Venom) but coolant based reaming results in a reamer indistinguishable from brand new after dozens of chamberings. Some day I may be up to hundreds and I can make a more informed comparison, but I'm not Dave Tooley so that'll be in a decade or so.
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I can't disagree with you GenePoole because I have never used coolant for reaming.only
 
I ordered the procon motor/pump combo.

FWIW My 1440GT has an immersion pump that looks exactly like what Dave linked to a couple times. I won't chamber with that, but I am going to run some oil through it and see if it's good'nuff for the small parting jobs I do.
 
INTJ said:
In that case, this one looks like the easy button for anyone system:

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I would confirm it's an immersion style pump.
I have a 5' head height as it was the easiest route for the oil line from the tank. If I dropped it down I'd get more flow but I've never wanted more. More flow means I pump more onto the floor when I have a brain fart.

Here's a pic of my muzzle setup. In hindsight I would use a ball valve on the oil line as it's either open or closed. The blue line is air coming from a foot valve into a needle valve to control air flow. About 65 PSI Both lines tied together then into the rotary union. Both lines have check valves.
Barrel flush coolant system.JPG
 
If I was reaming 304 - 316 stainless high sulphur cutting fluid would be my go to but 416 is extremely soft. Im using "coolant" but mixing at 4-1 instead of 10-1 so that it actually feels slippery between the fingers. Cuts smooth and finish is beautiful.
 
Started the cart. Will have to pause here until the pump arrives, which should be Wednesday. In the meantime I'll work on the catch pan and plumbing back to the tank for the drain.


One day I'll learn how to actually weld. And have a table to actually weld on instead of a concrete slab.


22-08-12 18-50-15 8446.jpg
 
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