REFLECTOR: Oil in Fiberglass
Tom Falls
tomfalls6 at gmail.com
Wed Feb 23 10:06:21 CST 2011
This situation concerns me. I assume the best way to prevent it is to coat
the interior surface around the oil cooler. Is straight epoxy sufficient or
should it be mixed with something . . like flox? How many coats? I thought I
remember a while back that we should coat the floor inside the keel for a
retract velo. Any other areas? I want to get this done before proceeding any
further and have started removing any equipment that will be in the way.
Thanks,
Tom
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Hiroo Umeno
Sent: Tuesday, February 22, 2011 5:57 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Oil in Fiberglass
I heard that trick and I am yet to try it. Do you go "top down" or "bottom
up"?
Meaning, from the side where oil entered in the first place or from where it
started seeping out? I am thinking bottom up but wanted to check.
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Alex Balic
Sent: Tuesday, February 22, 2011 12:42 PM
To: 'Velocity Aircraft Owners and Builders list'
Subject: Re: REFLECTOR: Oil in Fiberglass
Yea- the Freon has almost no surface tension, so it will penetrate right in
there, then it will boil its' way back out and takes the oil with it- just
shoot it on, and sort of wipe it up at the same time (using gloves) it will
completely degrease the surface.
_____
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Brian Michalk
Sent: Tuesday, February 22, 2011 9:48 AM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Oil in Fiberglass
How does this work?
Spray the freon in, and it penetrates the material, then pushes the oil out?
On 2/22/2011 8:19 AM, Alex Balic wrote:
USE Freon- but make sure you get the can that does not have oil added to it
-, and make sure you keep your hands away from the liquid it is very cold.
It will take the oil out.
_____
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Al Gietzen
Sent: Monday, February 21, 2011 7:42 PM
To: 'Velocity Aircraft Owners and Builders list'
Subject: Re: REFLECTOR: Oil in Fiberglass
Use a heat gun and see if oil bubbles out.
John
Be careful. You could easily damage the foam core, and/or cause some
distortion of the fiberglass by heating above 160-170F. And the oil doesn't
boil off; it will only come out due to expansion of air in the pores.
Perhaps better off flushing with a solvent.
Al
--- humeno at microsoft.com wrote:
From: Hiroo Umeno <mailto:humeno at microsoft.com> <humeno at microsoft.com>
To: Velocity Aircraft Owners and Builders list <mailto:reflector at tvbf.org>
<reflector at tvbf.org>
Subject: Re: REFLECTOR: Oil in Fiberglass
Date: Tue, 22 Feb 2011 01:10:59 +0000
I have the same issue in my nose compartment. The oil cooler pipe had a
slow leak at the fitting and has saturated the un-sealed floor of the nose
compartment with oil. I noticed it when I saw that the cockpit floor was
rather slippery. Is there way to get that out? Or is that a permanent
"feature" of my plane?
Hiroo
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of aminetech at bluefrog.com
Sent: Saturday, February 19, 2011 5:49 PM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: Oil in Fiberglass
I didn't realize how porous fiberglass is. The oil line connection to the
cooler was leaking. I cleaned up the oil and was using a heat gun on heat
shrink tubing. In the process the fiberglass under the cooler got heated up
and oil began bubbling out of the fiberglass, a LOT of oil. So I used the
heat gun on all areas that had oil and more oil came out. When I have time,
I'll check other areas to see what bubbles out.
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