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Rusty,
The evap cores come with tubing already attached.
I used the existing 3/4" as the inlet and welded an
aluminum ring near the end to act as a barb when using
3/4" heater hose. The 5/8" outlet was removed and the
hole reamed open to allow a 3/4" elbow to be welded in
with a ring barb on the end. This "elbow" was a piece
of tubing that was recovered from the inside of the
reservoir tank that was attached to the used evap
cores. After removing the tubing from inside the
reservoir tank it was welded back together and used as
a coolant filler/header tank.
If you are looking for a simple (and cheap) solution
you could use this same method. My cores came from
junkyard 1986 Buick La Sabre. They were $50 each which
included removal and reservoir tanks.
They have the inlet on one side of the core and the
outlet on the opposite side. This worked well for my
application. See the attached photo as a reference.
Jim Maher
Dyke Delta/13B
--- Original Message ---
From: "Russell Duffy" <13brv3@bellsouth.net>
To: "Rotary motors in aircraft"
<flyrotary@lancaironline.net>
Subject: [FlyRotary] aluminum hose bungs/fittings
>Greetings,
>
>I'm trying to decide on the fittings for my evap
cores, and I haven't found
>much to choose from. Straight AN bungs are pretty
common, and I've also
>seen some NPT female bungs. What I haven't found is
any hose barb style
>fittings. Ideally, I'd like to find some options for
45, or 90 degree hose
>barb type fittings, in about a 3/4" size, since there
isn't much clearance
>under the outer tanks of the evap cores. Can anyone
point me to a place
>that sells these?
>
>BTW, I still haven't officially decided if I want to
use AN hose, or just
>good quality "heater hose". I'll certainly keep AN
hose for oil, but I
>think heater hose is probably fine for water,
especially with all my
>possible plumbing methods.
>
>Thanks,
>Rusty (evap cores temporarily in place)
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