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I've read about the potential for corrosion in the Ercoupe. I know that it isn't just limited to the coupe... that any plane, especially older ones are suspect. But my questions are these: 1) With the swiss cheese Ad, are mechanics able to tell definitively that wings are free of corrosion? 2) I understand that moisture can be a huge contributor to corrosion but that even dry climate planes can have corrosion caused by a inferior aluminum in the center spar and how they cooled the aluminum at the factory in the 40's. How common is this type of corrosion? 3) If a plane were to have corrosion in one area of the plane, would it mean that it would probably be in other areas too? 4) I'm sure corrosion comes in many different degrees. Is it always black and white whether the corrosion is treatable or not and is there a standard for judging that or is it just up to the opinion of the mechanic? 5) To adequately check the center spar, how much time should it take to remove and reinstall the wings? How much time should it take to remove and reinstall the interior floorboards? If you remove the wings and the interior floorboards, will you be able to see enough to determine the condition of the entire center spar? Thanks for your help. Jeff ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm
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