Today's Message Index:
----------------------
1. 06:35 AM - Baffling question (Miller John)
2. 06:59 AM - Re: Baffling question (Carl Froehlich)
3. 07:05 AM - Re: Baffling question (Carl Froehlich)
4. 09:57 AM - Re: Baffling question (Michael Lazarowicz)
5. 01:37 PM - Airflow smoother in cowling (Miller John)
6. 02:33 PM - Re: Baffling question (Miller John)
Message 1
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| Subject: | Baffling question |
Please see the attached picture where I have epoxied the airflow
smoother to the upper cowling. The question for the list is should I
try to fill in the void between the smoother and the cowling to prevent
airflow going through this area? If so, what did you use to seal off
the area so that there is no airflow underneath the smoother.
The plans are silent on this. The sides of the smoother are close to
the metal baffles, but there is a small gap between the edges of the
smoother piece and the metal baffles.
Thanks - Grumpy
Message 2
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| Subject: | Baffling question |
You could if you want, but there is no practical reason to do so. This is
to reduce turbulent flow coming into the baffle area, not to seal anything.
If memory serves, you may need to trim the sides a little to clear the
baffling.
Carl
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of Miller John
Sent: Friday, August 05, 2016 9:35 AM
Subject: RV8-List: Baffling question
Please see the attached picture where I have epoxied the airflow smoother to
the upper cowling. The question for the list is should I try to fill in the
void between the smoother and the cowling to prevent airflow going through
this area? If so, what did you use to seal off the area so that there is no
airflow underneath the smoother.
The plans are silent on this. The sides of the smoother are close to the
metal baffles, but there is a small gap between the edges of the smoother
piece and the metal baffles.
Thanks - Grumpy
Message 3
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| Subject: | Baffling question |
You could if you want, but there is no practical reason to do so. This is
to reduce turbulent flow coming into the baffle area, not to seal anything.
If memory serves, you may need to trim the sides a little to clear the
baffling.
Carl
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of Miller John
Sent: Friday, August 05, 2016 9:35 AM
Subject: RV8-List: Baffling question
Please see the attached picture where I have epoxied the airflow smoother to
the upper cowling. The question for the list is should I try to fill in the
void between the smoother and the cowling to prevent airflow going through
this area? If so, what did you use to seal off the area so that there is no
airflow underneath the smoother.
The plans are silent on this. The sides of the smoother are close to the
metal baffles, but there is a small gap between the edges of the smoother
piece and the metal baffles.
Thanks - Grumpy
Message 4
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| Subject: | Re: Baffling question |
I did my 8 cowl last year and after much research did fill the inside
void. I did it primarily to give the rubber seal an area to sit against .
Sealing the baffle in that area can be challenging, but I thought it was
worth the effort.
I used a piece of blue Dow Blue foam to shape the the area and did a two
ply lay up to cover the area. It adds very little weight. one important
thing to remember is fit the cowl first before epoxying the baffle in place
even where you have the clecos. The cowl should be fitted to the bottom
half on the plane as the Epoxy dries. You can fill the sides after that
without fear of warping.
Mike
On Fri, Aug 5, 2016 at 10:05 AM, Carl Froehlich <carl.froehlich@verizon.net>
wrote:
> You could if you want, but there is no practical reason to do so. This is
> to reduce turbulent flow coming into the baffle area, not to seal anything.
>
>
> If memory serves, you may need to trim the sides a little to clear the
> baffling.
>
>
> Carl
>
>
> *From:* owner-rv8-list-server@matronics.com [
> mailto:owner-rv8-list-server@matronics.com
> <owner-rv8-list-server@matronics.com>] *On Behalf Of *Miller John
> *Sent:* Friday, August 05, 2016 9:35 AM
> *To:* rv8-list@matronics.com
> *Subject:* RV8-List: Baffling question
>
>
> Please see the attached picture where I have epoxied the airflow smoother
> to the upper cowling. The question for the list is should I try to fill in
> the void between the smoother and the cowling to prevent airflow going
> through this area? If so, what did you use to seal off the area so that
> there is no airflow underneath the smoother.
>
>
> The plans are silent on this. The sides of the smoother are close to the
> metal baffles, but there is a small gap between the edges of the smoother
> piece and the metal baffles.
>
>
> Thanks - Grumpy
>
>
Message 5
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| Subject: | Airflow smoother in cowling |
Please see the attached picture where I have epoxied the airflow
smoother to the upper cowling. The question for the list is should I
try to fill in the void between the smoother and the cowling to prevent
airflow going through this area? If so, what did you use to seal off
the area so that there is no airflow underneath the smoother.
The plans are silent on this. The sides of the smoother are close to
the metal baffles, but there is a small gap between the edges of the
smoother piece and the metal baffles.
Thanks - Grumpy
Message 6
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| Subject: | Re: Baffling question |
Thanks. Metal baffling all installed and the smoothers were trimmed to
fit. Just wondering if there is a need to fill in that area as it will
be a PITA to do it.my guess is that any air that does spill
between the edge of the smoother and the metal baffling will be
insignificant..
Grumpy
> On Aug 5, 2016, at 8:58 AM, Carl Froehlich
<carl.froehlich@verizon.net> wrote:
>
> You could if you want, but there is no practical reason to do so.
This is to reduce turbulent flow coming into the baffle area, not to
seal anything.
>
> If memory serves, you may need to trim the sides a little to clear the
baffling.
>
> Carl
>
> From: owner-rv8-list-server@matronics.com
<mailto:owner-rv8-list-server@matronics.com>
[mailto:owner-rv8-list-server@matronics.com
<mailto:owner-rv8-list-server@matronics.com>] On Behalf Of Miller John
> Sent: Friday, August 05, 2016 9:35 AM
> To: rv8-list@matronics.com <mailto:rv8-list@matronics.com>
> Subject: RV8-List: Baffling question
>
> Please see the attached picture where I have epoxied the airflow
smoother to the upper cowling. The question for the list is should I
try to fill in the void between the smoother and the cowling to prevent
airflow going through this area? If so, what did you use to seal off
the area so that there is no airflow underneath the smoother.
>
> The plans are silent on this. The sides of the smoother are close to
the metal baffles, but there is a small gap between the edges of the
smoother piece and the metal baffles.
>
> Thanks - Grumpy
>
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