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Ernest, you are right "Welding" on a bung could cause the seams to loosen although a good TIG welder could do it. However, brazing on a bung uses considerably lower temperatures - given the heat in that area, I personally would not use epoxy. You can probably find a radiator shop that can do the job for you quite reasonably or use the HT200 aluminum brazing material if you do it yourself..
Ed
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
----- Original Message ----- From: "Ernest Christley" <echristley@nc.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, July 18, 2006 2:34 PM
Subject: [FlyRotary] options for modifying radiator
I've got to add a way to attach the in and out hoses to my radiator (I'm
going to be using 3/4" hoses, Bobby). I've assumed that about the only
way to do this would be to weld on a nipple. But pouring that much heat
into a radiator presents the possibility of damaging it. Are there any
other possibilites that don't involve heat? It would be neat if
someone made a gasketed, threaded insert that would expand when an NPT
fitting is inserted. Insert it like a grommet, then add the fitting to
lock it to the sides. An angled lip would pull the flange down onto the
gasket. Anyone ever seen such a beast?
-- ,|"|"|, Ernest Christley |
----===<{{(oQo)}}>===---- Dyke Delta Builder |
o| d |o http://ernest.isa-geek.org |
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