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welding

pelican

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I sandblasted my fuselage and inspected each cluster. There were a few places that needed to be finish welded. Since I was welding bare and blasted metal, I thought making a good joint would be a cinch. Not so. I had some problems that I assume to be caused by sand that is left imbedded in the metal. I'm going to do some light sanding and wiping with MPK before I go farther.


Anybody had any similar experience with this or maybe noticed the same. that is, problems in welding possibly caused by sand imbedded in the metal?
 

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