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kearney
Joined: 20 Sep 2008
Posts: 563
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 Posted: Sun Dec 10, 2017 2:36 pm Post subject: Rear floor pans |
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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: 1188
Location: Sun Lakes AZ
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| Posted: Sun Dec 10, 2017 5:48 pm Post subject: Rear floor pans |
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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
Read this topic online here:
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Kelly McMullen
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Gordon Anderson
Joined: 16 Apr 2012
Posts: 41
Location: Switzerland
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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| Posted: Mon Dec 11, 2017 1:19 pm Post subject: Rear floor pans |
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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 
Good choice to use fireproof foam - do you have specifics?
Gordon
41015 Switzerland
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Kelly McMullen
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kearney
Joined: 20 Sep 2008
Posts: 563
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| Posted: Mon Dec 11, 2017 8:51 pm Post subject: Re: Rear floor pans |
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Hi Gordon
I used Abesco FP200 fire rated foam.
Cheers
Les
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johngoodman
Joined: 18 Sep 2006
Posts: 530
Location: GA
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| Posted: Tue Dec 12, 2017 5:11 am Post subject: Re: Rear floor pans |
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| 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: 455
Location: Yuma, AZ
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| Posted: Tue Dec 12, 2017 8:04 am Post subject: Rear floor pans |
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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: 1188
Location: Sun Lakes AZ
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| Posted: Tue Dec 12, 2017 5:56 pm Post subject: Rear floor pans |
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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
A&P/IA, EAA Tech Counselor
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