Wingtip stiffeners 

Fabricated wingtip stiffeners using a CPVC pipe cut in half as a mold. Glassed up two layers then filled the center with flox. Slightly heavier than I wanted but stiff enough.

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Wingtips

Decided to remove the original wingtip stiffeners that I fabricated out of foam. Experimenting with smaller floxed stiffeners. Once cured if they are stiff enough I will epoxy to the inside of the tips. 

Added fiberglass reinforcement to the right tip behind nav light mount.