Quote:
Originally Posted by gossend
Hope you know about copper and 'flexing'. Ordinary copper tubing will work harden with flexing and eventually (soon, actually) crack or split. I'm not proud to say I 'been there'. Also managed to land in at a nearby field drenched and near blinded by Avgas. No fire (obviously).
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Scary experience. Glad the outcome was not a tragedy.
Yes, these lines will be changed out to aluminum due more to age and unkown condition than the fact they are copper. Where they are used there is no relative motion other than potential vibration and they are extremely well supported.
For what its worth, my copper primer lines in the Bucker are going on 20 years in service with no issues. They are properly supported and installed with a "loop" to isolate. However, I expect some day they will fail. Not as big of a concern as a primary fuel line for sure.