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ianxbrown
Joined: 16 May 2009
Posts: 80
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 Posted: Mon Nov 05, 2012 6:05 am Post subject: Air Box Mod Due to Filter Deformation |
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Can anyone explain why the filter would deform over time? Are you saying
that it also shrinks across its radius? Is it just this combination or is
this likely on my O320/RV-9A too? If it's caused by compressing the filter
to hold it tight, wouldn't it be better to use something like a foam gasket
to stop compressing it?
Ian Brown
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Gary.A.Sobek
Joined: 09 Jan 2006
Posts: 217
Location: SoCAL USA
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| Posted: Mon Nov 05, 2012 7:08 am Post subject: Air Box Mod Due to Filter Deformation |
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IMHO, the rubber shrinks and the rubber on the filter gets hard because it comes in contact with fuel and oil. The gas and oil makes the rubber shrink and get hard. Yes at one point the rubber will get soft from the fuel then turn hard over time. I am on my 3rd filter in 15-years and have a spare one sitting on the shelf.
Yes the 320 has similar issues.
The placing of aluminum plate between the filter and fiberglass was done on a friends IO-360 powered RV-4 over 10-years ago. I know of several RVs that have done that over the years. Actually, I cannot think of any flying RVs with 360 up draft sump not using the aluminum. I though that was a standard mod that everyone was doing.
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell,
2,650+ Flying Hours So. CA, USA
| Quote: | From: ixb(at)videotron.ca
To: rv-list(at)matronics.com
Subject: Air Box Mod Due to Filter Deformation
Date: Mon, 5 Nov 2012 09:04:22 -0500
--> RV-List message posted by: Ian Brown <ixb(at)videotron.ca>
Can anyone explain why the filter would deform over time? Are you saying
that it also shrinks across its radius? Is it just this combination or is
this likely on my O320/RV-9A too? If it's caused by compressing the filter
to hold it tight, wouldn't it be better to use something like a foam gasket
to stop compressing it?
Ian Brown
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[quote][b]
| | - The Matronics RV-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV-List |
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