----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----
Remember one thing, Paint will cover a multitude of sins! Jim N87349 jan zanutto wrote: > ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- > > Gary, > > corrosion happens to all airplanes, big and small, in one form or > another. The first thing you see is whats called the corrosion > by-products. Either the darkish surface or the whitish dusty appearance. > Discoloration of the material happens first. Then, as the material > (aluminum) continues to decompose it begins to revert back to it's basic > elements and oxides. Aluminum starts to turn into a white powder. > Underneath the white powder you will see that you have a loss of > material, and a loss of skin thickness. Once the old paint and > by-products are removed by either chemical or mechanical means and you > are left with the bare alum you must then inspect to see how deep the > corrosion (pitting at that point) went. The FAA has published an entire > advisory circular on corrosion control and treatment. Also AC 43.13 also > covers this, and it allows a certain loss of material and still is > considered structurally sound. The remaining structure must then be > etched, treated and painted to prevent further loss or corrosion. > > You just have to look and see if it looks like there is material loss. > You can see it even through epoxy primer if you look long and hard > enough, using a good light. > > Jan Z > Fresno CA > (with the 415G for sale) > ==^================================================================ This email was sent to: [EMAIL PROTECTED] EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Sid.bAhN69 Or send an email to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
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