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Waterproofed Realacc x210 used
MG Acrylic Conformal Coating,
Self Fusing Rubber Tape,
and WD-40 Silicone Spray.
Here is the end result of flying my Realacc x210 in the rain. My hat cam failed though and the footage is too low. ARG! Guess I panicked to get the flight video in. But the point is, that it works, and can fly in the rain no problem now.
I used Acrylic Conformal Coating to cover all of the components including the esc’s, then sprayed WD-40 Silicone spray over any contacts that might get wet. I even dunk landed the realacc x210 in the water to make sure it was waterproof.