I'd recommend you stay away from copper tubing. Although it is easy to bend,
it work-hardens and it also has very poor fatigue characteristics. Vibration
will cause cracks in copper tubing far sooner than aluminum or steel.
Another consideration is the dissimilar metals problem. Corrosion is
minimized when aluminum tubing is used with those nice blue-anodized AN
fittings. Brass fittings are appropriate for copper tubing.
Summary: use 5052-O soft aluminum tubing.
Regards, Neil Tucson, AZ
From: DrMayf [mailto:firstname.lastname@example.org]
Sent: Tuesday, September 09, 2003 3:52 PM
Subject: Fire Bottle Plumbing Question
Ok, I now have bot the engine compartment and driver's fire bottles securely
mounted. Now on to plumbing. I can get aluminum, steel, or copper tubing to
use for plumbing. Steel sounds better, however aluminum is sure easier to
work. Copper ditto. Are there any issues to contend with here? Any
suggestions? Also note that the preferrred manner to mount the nozzles is
with the pipe coming in from the top: why? In other word why does it need to
hang upside down?
Anyhoo, suggestions, pros and cons on tubing are solicited and welcomed.
and hurry up, I need to order this stuff!
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