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How common is a cracked intake tube?

Is a three inch crack in an intake tube at 150 hours smoh a common occurrence with this engine? This is a first for me.
Thanks,
Gary Bennett

Model: Bonanza G33
Aircraft Serial Number: CD-1285 IO-470 N (approx 150 hours smoh)
Posted 8/25/2023 - 6 months ago
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We see it happen on occasion, usually caused by it rubbing on something or someone used zip ties around the tube and they caused wear areas in the tube.
They can be welded very easily if you have the capability to weld aluminum or replaced.

Bob Ripley
ABS Technical Advisor

Posted 8/25/2023 - 6 months ago
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Thanks Bob.

Posted 8/25/2023 - 6 months ago
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Adding to Bob’s comments, Zip ties on any tubing, breather, metal line, etc. can cause wear and failure of the underlying tube. If you must attached something (wires, etc.) to engine area tubing, one alternative is to use padded zip ties. One manufacturer of padded/cushioned zip ties is GripLockTies of Utah at 866-547-4755.

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Grip Lock.pdf - 477.3 KB

Posted 8/25/2023 - 6 months ago
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James...this is a very cool callout. I did not even know padded zip ties even existed, and can definitely think of a few places on my Bo where these could apply.

Thanks!

G

Posted 8/31/2023 - 5 months ago
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They don’t really suggest zip ties on intake tubes at all. Adel clamps are the best item to use.

Bob Ripley
ABS Technical Advisor

Posted 8/31/2023 - 5 months ago
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I learn something new every time I open this forum. Padded zip ties - whoda thunk it?

Posted 8/31/2023 - 5 months ago
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I had to see for myself!

https://www.amazon.com/Rubber-Releasable-Heavy-Duty-Reusable-Assorted/dp/B07PWB4KFR

Aviation is in their selling points.

Posted 8/31/2023 - 5 months ago
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Still not a great idea.

Bob Ripley

Posted 9/1/2023 - 5 months ago
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I have been using Koroseal lacing for 30+ years and it has never caused any issues.

Posted 9/1/2023 - 5 months ago
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How common is a cracked intake tube?