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Epoxy
Acetone, only on fiberglass. Put on a nitrile glove and soak a paper towell with it. Not dripping. Wipe the oily area many times till it comes crystal clean. Then hit the fiberglass with 60 grit paper and then seal it with a thinned epoxy. Thinned with Acetone. Let it cure for a few days and reinstall
Regards Tad Sargent 7A Team RV |
The oil is actually inside the honeycombs
OK, I now have the cowl off and in the shop. After a througough soap and water job, I can see that the honeycomb pockets are dark in some spots. In one small dark spot, I sanded the intertior down to the homeycomb to see if oil was indeed impregnated inside. It is.
I could see how K2R or similar will work with a dirty surface, but here the probelm is deeper than the surface. After the surface is cleaned, oil contained inside continues to weeps out over time. It seems that my only choice will be to soak the whole cowling in some sort of bath that will leach out the oil or replace the lower cowl. I'm not sure how to deal with this and guarantee a good finish without replacing the cowl. My plans were to paint soon, but it looks like that will be delayed. For those of you that have not done so, seal the cowl before you fly!!! |
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