Today's Message Index:
----------------------
1. 09:27 AM - Inverted Oil system overboard line (Jim Stone)
2. 12:41 PM - Re: Inverted Oil system overboard line (Weasel Graber)
3. 04:06 PM - Re: Inverted Oil system overboard line (FRED LAFORGE)
Message 1
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| Subject: | Inverted Oil system overboard line |
--> Rocket-List message posted by: "Jim Stone" <jrstone@insightbb.com>
Rocket guys with inverted systems,
I'm trying to figure a better way to get rid of oil from the inverted oil tank
overboard line. I've considered running a 3/4 inch line all the way back to the
tail and decided that there would be too many holes and a lot of weight. Some
folks have run a line down to and almost touching the exhaust pipe near the
cowl exit. This method is simple but I think with a quart of oil exiting the
tank, a lot of smoke and fumes would be generated, not to mention a potential
for fire.
I'm thinking the best way to go is to weld a short piece of 3/4"SS tube at a 30-45
degree angle to one of the exhaust pipes and hook the hose to that. My concerns
are one, what happens in the event of a backfire? And two, how hot will
that SS tube get that is attached to a hose, IOW, will the hose withstand that
kind of temps.
Thanks,
Jim Stone
Louisville
Message 2
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| Subject: | Re: Inverted Oil system overboard line |
--> Rocket-List message posted by: Weasel Graber <rv4flyboy@yahoo.com>
Hey jim i have this set up in my rv4 and it seems to
work 4 me the only diff is i dont have an inverted sys
i just ran the breather into the ext. Weasel -4
--- owner-rocket-list-server@matronics.com
<jrstone@insightbb.com> wrote:
> --> Rocket-List message posted by: "Jim Stone"
<jrstone@insightbb.com>
>
> Rocket guys with inverted systems,
> I'm trying to figure a better way to get rid of oil
from the inverted oil tank overboard line. I've
considered running a 3/4 inch line all the way back to
the tail and decided that there would be too many
holes and a lot of weight. Some folks have run a line
down to and almost touching the exhaust pipe near the
cowl exit. This method is simple but I think with a
quart of oil exiting the tank, a lot of smoke and
fumes would be generated, not to mention a potential
for fire.
> I'm thinking the best way to go is to weld a short
piece of 3/4"SS tube at a 30-45 degree angle to one of
the exhaust pipes and hook the hose to that. My
concerns are one, what happens in the event of a
backfire? And two, how hot will that SS tube get that
is attached to a hose, IOW, will the hose withstand
that kind of temps.
> Thanks,
> Jim Stone
> Louisville
>
>
>
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Message 3
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| Subject: | Re: Inverted Oil system overboard line |
--> Rocket-List message posted by: "FRED LAFORGE" <fred.laforge@verizon.net>
Jim, I have the Christian inverted oil system in my RV-4. I just ran a hose
out near the exhaust. it hardly has any oil film on the inside of the hose.
I really dont loose oil through the breather.
Fred LaForge RV-4 0-360 CS EAA Tech Counselor
----- Original Message -----
From: "Jim Stone" <jrstone@insightbb.com>
Subject: Rocket-List: Inverted Oil system overboard line
> --> Rocket-List message posted by: "Jim Stone" <jrstone@insightbb.com>
>
> Rocket guys with inverted systems,
> I'm trying to figure a better way to get rid of oil from the inverted oil
> tank overboard line. I've considered running a 3/4 inch line all the way
> back to the tail and decided that there would be too many holes and a lot
> of weight. Some folks have run a line down to and almost touching the
> exhaust pipe near the cowl exit. This method is simple but I think with a
> quart of oil exiting the tank, a lot of smoke and fumes would be
> generated, not to mention a potential for fire.
> I'm thinking the best way to go is to weld a short piece of 3/4"SS tube at
> a 30-45 degree angle to one of the exhaust pipes and hook the hose to
> that. My concerns are one, what happens in the event of a backfire? And
> two, how hot will that SS tube get that is attached to a hose, IOW, will
> the hose withstand that kind of temps.
> Thanks,
> Jim Stone
> Louisville
>
>
>
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