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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 25203
Location: Livermore CA USA
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 Posted: Sun Mar 28, 2010 8:25 am Post subject: Sealing Around Engine Baffles... |
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Dear Listers,
Regarding the requirement for sealing compound (silicon?) around the baffle-to-engine areas, what is the recommendation here? Is sealant absolutely necessary? Adding a compound is going to really ugly-up the installation. 
If it is an absolute requirement, what are some suggestions on material to use?
About all I could find on ACS was this:
http://www.aircraftspruce.com/catalog/mepages/rtv.php
At least it comes in Black to match my engine... 
Feedback would be most appreciated.
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com Matt's Construction Blog
Moved to hanger, wings attached permanently....
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Matt Dralle
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Rick Galati
Joined: 10 Jan 2006
Posts: 91
Location: Lake St. Louis MO.
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bgray(at)glasair.org
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| Posted: Sun Mar 28, 2010 11:24 am Post subject: Sealing Around Engine Baffles... |
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I’d fly the airplane first to see if I had any cylinder temp problems. If I did then I would go with the RTV.
Bruce
www.Glasair.org
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Gary.A.Sobek
Joined: 09 Jan 2006
Posts: 217
Location: SoCAL USA
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| Posted: Sun Mar 28, 2010 11:25 am Post subject: Sealing Around Engine Baffles... |
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Necessary? Maybe yes maybe no. If your engine runs hot, it is necessary. If your engine runs cold, maybe not.
I used BLACK Permatex Silicone from PepBoys. My baffles are painted black and so is my engine. I know guys that have used bath tube or kitchen RTV.
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell,
2,342+ Flying Hours So. CA, USA
| Quote: | Date: Sun, 28 Mar 2010 09:23:59 -0700
To: rv-list(at)matronics.com; rv7-list(at)matronics.com; rv8-list(at)matronics.com
From: dralle(at)matronics.com
Subject: Sealing Around Engine Baffles...
--> RV-List message posted by: Matt Dralle <dralle(at)matronics.com>
Dear Listers,
Regarding the requirement for sealing compound (silicon?) around the baffle-to-engine areas, what is the recommendation here? Is sealant absolutely necessary? Adding a compound is going to really ugly-up the installation.
If it is an absolute requirement, what are some suggestions on material to use?
About all I could find on ACS was this:
http://www.aircraftspruce.com/catalog/mepages/rtv.php
At least it comes in Black to match my engine...
Feedback would be most appreciated.
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com Matt's Construction Blog
Moved to hanger, wings attached permanently....
>==
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yenduc(at)me.com
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| Posted: Sun Mar 28, 2010 6:20 pm Post subject: Sealing Around Engine Baffles... |
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I also used red, high temp RTV---I sorta like the purdy red color. I also put louvers on the bottom of the lower cowl to aid in cooling --- probably was over kill as the engine runs very cool even in climb on hot days.
dave
On Mar 28, 2010, at 11:58 AM, Rick Galati wrote:
| Quote: | I used red (high temp) RTV to fill all the nooks and crannies. In service for several years, its hold is as tenacious as ever.
[IMG]http://i40.tinypic.com/2dkeu69.jpg[/IMG]
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