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Tonight was a huge night for the canopy fairing. I pretty much have my shape down.  I attribute my special sanding block to helping me get to where I am. Because the contour of the fairing is pretty much constantly changing, I used some sponge in between a sanding block and the sandpaper. This made the sandpaper contour nicely to the complex surface.   With the main part done, I lifted the first layer of black tape. This was a real pain. The lower part of the black tape broke off easily and embedded itself into the fiberglass. It took some sanding and picking it off with my fingernails to get it fully off. I don't know what I could of done to prevent this.  After sanding some more to make up for removing the layer of electrical tape, I cracked open some thing layers of fiberglass and some filler came out exposing some pinholes.  Yeah, even more.  And more. There were 4-6 large areas where I sanded away the base fiberglass enough that it didn't have that much bonding strength to the plexiglass below it. After doing some research on the best way to fill in the pinholes, what I ended up doing was mixing up some epoxy and spreading it across the fairing where the electrical tape is. Then I wiped the excess off with a paper town. The remaining epoxy I mixed with a little flox (made it a wet mixture) and squeegeed it across the top of the fairing. People recommended 1 hour quick mix epoxy for the job and I think that's a great idea. Why waste the quality West Systems stuff on filler? I will have to see if I have any around and probably buy some tubes of it for the inevitable round 2! 
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Last Modified: August 13, 2023 |