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h&jeuropa
Joined: 07 Nov 2006
Posts: 645
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 Posted: Tue Aug 02, 2011 5:16 am Post subject: Exhaust Pipe Security |
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On our 914 powered XS, the exhaust pipe that comes thru the engine cowl gets loose. We once actually had it fall off, fortunately just prior to takeoff! We've tried hi temp nuts, safety wiring the nut and made a longer nut from steel rod which is safety wired, but still the pipe gets loose after a few hours.
Yesterday, we noticed an old Tech Talk article from Dec 2002 where Andy suggests drilling thru the stub of the muffler and the tailpipe and inserting a self tapping screw. Then you are to arrange the screw to be under the circular clamp. Has anyone done this and does it work?
Jim & Heather
N241BW
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hagargs(at)earthlink.net
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| Posted: Tue Aug 02, 2011 6:33 am Post subject: Exhaust Pipe Security |
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Drill thruogh both the exhaust pipe and the wall of the muffler pipe. Get a small steel flat topped rivet or pin
drop it through the matched up holes and use the muffler clamp over it to hold it in. Erich Trombley and I have both done this with nary an issue.
Steve Hagar
A143
Mesa AZ
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jeff(at)rmmm.net
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| Posted: Tue Aug 02, 2011 6:40 am Post subject: Exhaust Pipe Security |
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Jim,
I actually lost mine on takeoff at about 180 hours. I had another one fabricated with a tab to safety wire it to the pipe. Used a new, much stronger auto clamp and have never had a problem. Funny... my neighbor found the pipe a year later while walking.  Told me his neighbor had something fall out of the sky and killed one of his cow's. He had me going!
Jeff R
N128LJ Gold Rush
On Aug 2, 2011, at 8:16 AM, h&jeuropa wrote:
| Quote: |
On our 914 powered XS, the exhaust pipe that comes thru the engine cowl gets loose. We once actually had it fall off, fortunately just prior to takeoff! We've tried hi temp nuts, safety wiring the nut and made a longer nut from steel rod which is safety wired, but still the pipe gets loose after a few hours.
Yesterday, we noticed an old Tech Talk article from Dec 2002 where Andy suggests drilling thru the stub of the muffler and the tailpipe and inserting a self tapping screw. Then you are to arrange the screw to be under the circular clamp. Has anyone done this and does it work?
Jim & Heather
N241BW
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=348356#348356
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paul.the.aviator(at)gmail
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| Posted: Tue Aug 02, 2011 8:16 am Post subject: Exhaust Pipe Security |
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I did the same and it works fine. - Paul
On Tue, Aug 2, 2011 at 9:29 AM, hagargs <hagargs(at)earthlink.net (hagargs(at)earthlink.net)> wrote:
| Quote: | --> Europa-List message posted by: hagargs <hagargs(at)earthlink.net (hagargs(at)earthlink.net)>
Drill thruogh both the exhaust pipe and the wall of the muffler pipe. Get a small steel flat topped rivet or pin
drop it through the matched up holes and use the muffler clamp over it to hold it in. Erich Trombley and I have both done this with nary an issue.
Steve Hagar
A143
Mesa AZ
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[quote][b]
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rehn(at)rockisland.com
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| Posted: Tue Aug 02, 2011 10:39 am Post subject: Exhaust Pipe Security |
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Jim
I had mine welded on, 7 years still holding.
Jerry
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paul.the.aviator(at)gmail
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| Posted: Tue Aug 02, 2011 10:56 am Post subject: Exhaust Pipe Security |
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Jim,
If you want to risk your avionics, I'll TIG weld yours on next time you guys fly over for lunch.
Cheers, Paul
On Tuesday, August 2, 2011, Jerry Rehn <rehn(at)rockisland.com (rehn(at)rockisland.com)> wrote:
> --> Europa-List message posted by: "Jerry Rehn" <rehn(at)rockisland.com (rehn(at)rockisland.com)>
| Quote: |
Jim
I had mine welded on, 7 years still holding.
Jerry
>
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[quote][b]
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rehn(at)rockisland.com
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| Posted: Tue Aug 02, 2011 12:03 pm Post subject: Exhaust Pipe Security |
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Mine was TIG welded, we disconnected stuff and had no issues but I suppose there could be?
Jerry
From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Paul McAllister
Sent: Tuesday, August 02, 2011 11:54 AM
To: europa-list(at)matronics.com
Subject: Re: Exhaust Pipe Security
Jim,
If you want to risk your avionics, I'll TIG weld yours on next time you guys fly over for lunch.
Cheers, Paul
On Tuesday, August 2, 2011, Jerry Rehn <rehn(at)rockisland.com (rehn(at)rockisland.com)> wrote:
> --> Europa-List message posted by: "Jerry Rehn" <rehn(at)rockisland.com (rehn(at)rockisland.com)>
>
> Jim
> I had mine welded on, 7 years still holding.
> Jerry
> | Quote: | | http://www.matronics.com/Navigator?Europa-List |
0123456789
[quote][b]
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budyerly(at)msn.com
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| Posted: Sun Aug 07, 2011 10:50 am Post subject: Exhaust Pipe Security |
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<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]--> Jim,
Sorry to be absent from the list but these 60 hour weeks are making great progress, however I have had to give up the time of getting into these discussions:
I too have had enough of the clamping problems.
I now weld a small loop of welding rod onto the tail pipe just outboard or the various clamps that are on each model engine/year group of engine/tail pipe combination. The loop is safetied to the engine frame or support for the muffler. This is just a derivation of a more permanent type fix rather than Andy's sheet metal screw. I fear the screw will back out so I weld on a loop.
I have tried an experiment as the clamping of my tail pipe got old as it got loose, every other flight, so I had my tail pipe welded on as an experiment three years ago. No problems after the total 300 hours. I have a slightly larger exhaust pipe exit hole, and my expert welder made sure there was not heat creep and potential cracking later on at the TIG weld point. The trigear leg hole in the bottom of the cowl is a bit larger and arced to clear the leg for easy installation of the cowl... On the mono this is not necessary.
Regards to Heather,
Bud
[quote] ---
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