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Rear floor pans

 
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kearney



Joined: 20 Sep 2008
Posts: 547

PostPosted: Sun Dec 10, 2017 2:36 pm    Post subject: Rear floor pans Reply with quote

Hi

I insulated under my front floor pans using fire break foam. I am considering doing the same think under the rear floor pans for insulation / sound proofing purposes.

I am wondering what others have done in this spot. Is there any real benefit to insulating / soundproofing here?

Inquiring minds need to know.

Les


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Kelly McMullen



Joined: 16 Apr 2008
Posts: 1125
Location: Sun Lakes AZ

PostPosted: Sun Dec 10, 2017 5:48 pm    Post subject: Rear floor pans Reply with quote

No measured benefit, but I did it because I had the foam.
-sent from the I-droid implanted in my forearm

On Sun, Dec 10, 2017 at 3:36 PM, kearney <kearney(at)shaw.ca (kearney(at)shaw.ca)> wrote:
Quote:
--> RV10-List message posted by: "kearney" <kearney(at)shaw.ca (kearney(at)shaw.ca)>

Hi

I insulated under my front floor pans using fire break foam. I am considering doing the same think under the rear floor pans for insulation / sound proofing purposes.

I am wondering what others have done in this spot. Is there any real benefit to insulating / soundproofing here?

Inquiring minds need to know.

Les




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http://forums.matronics.com/viewtopic.php?p=476321#476321






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Gordon Anderson



Joined: 16 Apr 2012
Posts: 40
Location: Switzerland

PostPosted: Mon Dec 11, 2017 11:55 am    Post subject: Re: Rear floor pans Reply with quote

Hi Les, Kelly, it has been suggested that using foam under the front floor pans can help reduce external noise caused by exhaust resonating on the underside of the fuselage. I bet no-one has done a before/after test to prove it though Smile
Good choice to use fireproof foam - do you have specifics?

Gordon
41015 Switzerland


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Kelly McMullen



Joined: 16 Apr 2008
Posts: 1125
Location: Sun Lakes AZ

PostPosted: Mon Dec 11, 2017 1:19 pm    Post subject: Rear floor pans Reply with quote

I don't believe there is such a thing as fireproof foam. All the test results I have seen of material designed for the firewall have failed the official FAA test, 2000 degrees for a time I don't remember. Either smoke, fall apart or transfer too much heat.I don't think you need any better than what is needed for interior not against the firewall. Aircraft Spruce sells such a foam, although it doesn't pass with adhesive backing, you can get it without the adhesive, which isn't needed for the floor. The exhaust pipes are angled down and most of the exhaust stays off the bottom of fuselage.

-sent from the I-droid implanted in my forearm

On Mon, Dec 11, 2017 at 12:55 PM, Gordon Anderson <mregoan(at)hispeed.ch (mregoan(at)hispeed.ch)> wrote:
Quote:
--> RV10-List message posted by: "Gordon Anderson" <mregoan(at)hispeed.ch (mregoan(at)hispeed.ch)>

Hi Les, Kelly, it has been suggested that using foam under the front floor pans can help reduce external noise caused by exhaust resonating on the underside of the fuselage.  I bet no-one has done a before/after test to prove it though Smile
Good choice to use fireproof foam - do you have specifics?

Gordon
41015 Switzerland




Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=476344#476344






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errer" target="_blank">http://wiki.matronics.com
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====================================





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kearney



Joined: 20 Sep 2008
Posts: 547

PostPosted: Mon Dec 11, 2017 8:51 pm    Post subject: Re: Rear floor pans Reply with quote

Hi Gordon

I used Abesco FP200 fire rated foam.

Cheers

Les


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johngoodman



Joined: 18 Sep 2006
Posts: 528
Location: GA

PostPosted: Tue Dec 12, 2017 5:11 am    Post subject: Re: Rear floor pans Reply with quote

kearney wrote:
Hi Gordon

I used Abesco FP200 fire rated foam.

Cheers

Les


So did I....

John


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Albert Gardner



Joined: 10 Jan 2006
Posts: 444
Location: Yuma, AZ

PostPosted: Tue Dec 12, 2017 8:04 am    Post subject: Rear floor pans Reply with quote

I wish the oil would also!
Albert Gardner
N991RV
Yuma, AZ

From: Kelly McMullen

The exhaust pipes are angled down and most of the exhaust stays off the bottom of fuselage.
Do Not Archive


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RV-9A N872RV
RV-10 N991RV
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Kelly McMullen



Joined: 16 Apr 2008
Posts: 1125
Location: Sun Lakes AZ

PostPosted: Tue Dec 12, 2017 5:56 pm    Post subject: Rear floor pans Reply with quote

It will if you keep it on the inside of the engine. 8^)Do Not Archive

-sent from the I-droid implanted in my forearm

On Tue, Dec 12, 2017 at 9:04 AM, Albert <ibspud(at)roadrunner.com (ibspud(at)roadrunner.com)> wrote:
Quote:

I wish the oil would also!
Albert Gardner
N991RV
Yuma, AZ
 
From: Kelly McMullen



The exhaust pipes are angled down and most of the exhaust stays off the bottom of fuselage.
Do Not Archive
 

 


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Kelly McMullen
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