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Help with exhaust hangers

Texasav8r

Member
I bought #55 year ago and have been doing a lot of maintenance and redoing the panel. Getting close to finishing her. Anyone happy with the exhaust hangers (supports) your using? Need to replace the two I have. They are trash.

Thanks, John.
 

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"stock" Vetterman system -- clamps, tubes, fuel-line hose, and hanging off the sump/accy case bolts...

Only modification was to remove the cross brace support for a more "aerodynamic" shape.

100's of hours -- no issues.

IMG_2740.jpegIMG_2741.jpegIMG_2742.jpegIMG_2747.jpegIMG_2870.jpegIMG_2871.jpeg
 
When I googled Vetterman "tail pipe mounting kit". I get the the entire exhaust systems. Any clue where to buy just the supports? The exhaust hangers?
 
"stock" Vetterman system -- clamps, tubes, fuel-line hose, and hanging off the sump/accy case bolts...
Early on I had a lot of broken Adel clamps that clamp the tubes to the engine mount. Once I switched to stainless steel Adel clamps no more issues.
 
Early on I had a lot of broken Adel clamps that clamp the tubes to the engine mount. Once I switched to stainless steel Adel clamps no more issues.
I wouldn’t attach the exhaust pipes to the motor mount.
I know there’s a thread out there that suggests that’s “ok”, but if you have ever watched an engine do its wet-dog-shake thing, hopefully you’d say to yourself “yeah, those pipes are going break something…”
 
I bought #55 year ago and have been doing a lot of maintenance and redoing the panel. Getting close to finishing her. Anyone happy with the exhaust hangers (supports) your using? Need to replace the two I have. They are trash.

Thanks, John.
John,
That rubber piece in your pic looks like a BMW exhaust rubber coupler. Don't know how someone could have gotten it through the eye bolt without cutting it or spreading the eyebolt.
The system in the pictures in post #2 works very well, and is inexpensive and quite adjustable. Sometimes the hoses will tend to slip on the tubes. Roughening up the part of the tube that is under the clamp should stop that.
 
I wouldn’t attach the exhaust pipes to the motor mount.
I know there’s a thread out there that suggests that’s “ok”, but if you have ever watched an engine do its wet-dog-shake thing, hopefully you’d say to yourself “yeah, those pipes are going break something…”

So what did you attach to? None of the photos you posted above shows how you attached. Somehow it will be attached to something ridge.
I don’t believe the shut down shake is the biggest vibration issue compared to the pulsating of several thousand combustion events per minute that exist whenever the engine is running. Put a GoPro under your plane and see what vibration there is on the pipes during engine run. One key is to keep the ball joint free to pivot. Another key is to hang the pipes such the the rubber hose of the hanger absorb the vibration and damp it.
 
So what did you attach to? None of the photos you posted above shows how you attached. Somehow it will be attached to something ridge.
I don’t believe the shut down shake is the biggest vibration issue compared to the pulsating of several thousand combustion events per minute that exist whenever the engine is running. Put a GoPro under your plane and see what vibration there is on the pipes during engine run. One key is to keep the ball joint free to pivot. Another key is to hang the pipes such the the rubber hose of the hanger absorb the vibration and damp it.
Per plans - the two bolts on the engine accessory case.
 
Thanks for the info, guys.
Texasav8r,
An experienced Van's builder (Lee Ragsdale, with 9 builds) suggested local auto part store reinforced exhaust hangers. They come in various lengths and do a better job of absorbing vibration.
Daddyman
 
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