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BobbyPaulk(at)comcast.net
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 Posted: Thu Mar 24, 2011 11:52 am Post subject: Exhaust Leaks |
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List,
Has anyone found a way to stop the Jabiru muffler / exhaust pipe connections ( 6 ) from leaking?? These connections were designed to flex so the pipes would not crack but there is too much clearance between the pipes and muffler connection. Back pressure from the muffler causes the exhaust to flow back out around the pipes. There must be a better way. When my carb was running rich the pipes had black streaks emanating from the muffler back up the pipes. The red High Temp silicone will not stay in the cracks or on the pipes & muffler sealant does not work either. Stopping the CO at the source would help reduce the likelihood of contamination in the cockpit. Any Ideas!!
Bobby
Zodiac 601 XL "B"
Jabiru 3300 S/N 1141
Sensenich 64" x 51" Prop
Bing Carb 260 Main & 295 Needle Jet
Status - Flying 116 hrs.
[quote][b]
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matronics(at)rtist.nl
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| Posted: Thu Mar 24, 2011 1:27 pm Post subject: Exhaust Leaks |
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Not sure what the right name is for this in the US, but over here I bought a piece of door sealing rope for a fireplace. This stuff can take some serious temperatures. I took strands of this rope and stuffed the gaps in the connections with it. as tight as I could. Then I added a stainless clamp and pushed it up on the strands to keep them in. Not perfect, but it does help.
Rob
On 3/24/2011 8:49 PM, BobbyPaulk(at)comcast.net (BobbyPaulk(at)comcast.net) wrote: [quote] p { margin: 0; }
List,
Has anyone found a way to stop the Jabiru muffler / exhaust pipe connections ( 6 ) from leaking?? These connections were designed to flex so the pipes would not crack but there is too much clearance between the pipes and muffler connection. Back pressure from the muffler causes the exhaust to flow back out around the pipes. There must be a better way. When my carb was running rich the pipes had black streaks emanating from the muffler back up the pipes. The red High Temp silicone will not stay in the cracks or on the pipes & muffler sealant does not work either. Stopping the CO at the source would help reduce the likelihood of contamination in the cockpit. Any Ideas!!
Bobby
Zodiac 601 XL "B"
Jabiru 3300 S/N 1141
Sensenich 64" x 51" Prop
Bing Carb 260 Main & 295 Needle Jet
Status - Flying 116 hrs.
[b]
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Clive J
Joined: 03 Nov 2007
Posts: 340
Location: UK
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| Posted: Thu Mar 24, 2011 2:14 pm Post subject: Exhaust Leaks |
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This is my solution. Uses foil tape and fibreglass tape (1" 1/4 tape no resin, just dry), topped off with locking wire. last application was 250 hrs ago and it's still doing the job. I only renewed it as I had the exhaust off for something else.
http://groups.yahoo.com/group/jabiruengines/photos/album/880999079/pic/list
There's another one
http://groups.yahoo.com/group/jabiruengines/photos/album/866238076/pic/list
Though this is a little more permanent it is less simple to apply though looks like what Jabiru should supply....
Regards, Clive
From: owner-jabiruengine-list-server(at)matronics.com [mailto:owner-jabiruengine-list-server(at)matronics.com] On Behalf Of BobbyPaulk(at)comcast.net
Sent: 24 March 2011 19:50
To: jabiruengine-list(at)matronics.com
Subject: Exhaust Leaks
List,
Has anyone found a way to stop the Jabiru muffler / exhaust pipe connections ( 6 ) from leaking?? These connections were designed to flex so the pipes would not crack but there is too much clearance between the pipes and muffler connection. Back pressure from the muffler causes the exhaust to flow back out around the pipes. There must be a better way. When my carb was running rich the pipes had black streaks emanating from the muffler back up the pipes. The red High Temp silicone will not stay in the cracks or on the pipes & muffler sealant does not work either. Stopping the CO at the source would help reduce the likelihood of contamination in the cockpit. Any Ideas!!
Bobby
Zodiac 601 XL "B"
Jabiru 3300 S/N 1141
Sensenich 64" x 51" Prop
Bing Carb 260 Main & 295 Needle Jet
Status - Flying 116 hrs.
[quote]
href="http://www.matronics.com/Navigator?JabiruEngine-List">http://www.matronics.com/Navigator?JabiruEngine-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
[b]
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