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Old 10-02-2017, 11:05 PM   #11 (permalink)
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I bought some thicker-than-average-wall-macro line from CCM, also Planet Eclipse sells some. Stuff is great. Zero problems since I switched all my markers over to it a year ago, unlike the previous stuff that was blowing out all the time.
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Old 10-02-2017, 11:34 PM   #12 (permalink)
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I've never actually blown a line. What irritates me is the initial leaks when first aired up. They go away In 10min, but it's annoying
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Old 10-03-2017, 12:14 AM   #13 (permalink)
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You could always sleeve stainless with copper if you're looking for the patina and still have a safe burst pressure
I'm not sure how much dielectric corrosion would be a factor though
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Old 10-03-2017, 09:22 AM   #14 (permalink)
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Originally Posted by punisher068 View Post
You could always sleeve stainless with copper if you're looking for the patina and still have a safe burst pressure
I'm not sure how much dielectric corrosion would be a factor though
no dielectric corrosion unless there is an aqueous solution with electrolytes. It might be a little big to sleeve 1/4" SS with copper or brass--It might end up iwth a total OD of ~1/2". You could paint the SS with a copper colored paint.
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Old 10-03-2017, 09:50 AM   #15 (permalink)
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If you have leaky macro:
Open fitting, remove o-ring then replace with new, oiled 010 o-ring. Cut new macro section, use sandpaper to round edges off, then oil the tips and install.

Properly done macroline will be leak free for years.
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Old 10-03-2017, 05:46 PM   #16 (permalink)
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After a quick Google I found the working pressure for 1/4" type L copper is 810psi. I think I'd call that good and I might have to proceed with my experiment. I have not found ratings for the fittings yet.
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Old 10-03-2017, 05:59 PM   #17 (permalink)
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Tried this years ago.
Tippmann Carbines use to have copper air lines, so I thought "I can make my own copper lines"
Let me tell you, the sound of that copper line exploding is UNFORGETABLE. LOL. If you can hand bend it , it probably wont hold. just make sure you get the one rated for higher pressure.
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Old 10-03-2017, 08:15 PM   #18 (permalink)
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After a quick Google I found the working pressure for 1/4" type L copper is 810psi. I think I'd call that good and I might have to proceed with my experiment. I have not found ratings for the fittings yet.
Fittings will be weaker than the tubing.
May be true, but L copper isn't the thickest. Type K is the thickest. Your grades of copper are M, L, K, ACR, and DWV. M is the thinnest, L is in the middle, and K is the thickest. DWV is thinner, as its not for supply lines, its for drain/waste/vent. ACR is gas line, and can be spotted by the caps on both ends. ACR is capped from the factory because its rated for gas, so it is capped to prevent anything entering the tube. What kind of fitting were you talking about using? I can only think of compression fittings as the only reasonable use. Pro-press has the downfall of needing a very expensive press tool to use ($400 for a press gun would be CHEAP). Sweat fittings wouldn't be good, the solder would leak as its a softer metal than the copper (has to melt at around 800 degrees, while copper is more than twice that). Brazing wouldn't be good, the fitting will always be discolored because you have to heat it up to near the melting point of the copper for the filler metal to melt, leaving the copper discolored.
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Old 10-03-2017, 09:05 PM   #19 (permalink)
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the 68 carbine came with a copper air line from factory.


Though it is a thick wall copper, as used in HVAC.

Borrowed that image form someone on here, out of their gallery thanks to Jebs04
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Old 10-03-2017, 09:19 PM   #20 (permalink)
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Is that a macro type push to connect fitting?
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