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On Oct 9, 2006, at 11:15 PM, kenpowell@comcast.net wrote:
Hi Joe,
Just a heads up - it looks like your new "header flange to pipe" (picture 5) was welded on the outside. I think that 'acceptable practices' state that there should only be a tack weld on the outside and the actual structural weld should be on the inside. What does everyone else say? In any event be sure to keep an eye on the welds.
Ken Powell
Bryant, Arkansas
501-847-4721
C150 / RV-4 under construction
Ken, I had the chance to inspect hundreds of aircraft exhaust systems from C-150 to the big twins. On 99% of them the flange is welded on the outside. I have seen only one model aircraft that requires welding on the inside only?
Buly
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