Today's Message Index:
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1. 11:56 AM - Re: Rear floor pans (Gordon Anderson)
2. 01:19 PM - Re: Re: Rear floor pans (Kelly McMullen)
3. 08:52 PM - Re: Rear floor pans (kearney)
Message 1
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| Subject: | Re: Rear floor pans |
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
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=476344#476344
Message 2
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| Subject: | Re: Rear floor pans |
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@hispeed.ch>
wrote:
>
> 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
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=476344#476344
>
>
Message 3
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| Subject: | Re: Rear floor pans |
Hi Gordon
I used Abesco FP200 fire rated foam.
Cheers
Les
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=476352#476352
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