Weatherproofing techniques

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Protection from water

Various methods are available, but not all are applicable to all parts of an RC aircraft:

  1. Hot glue
  2. Epoxy
  3. Silicone
  4. Liquid electrical tape
  5. Conformal coating
  6. CorrosionX
  7. Heatshrink tubing
  8. Tupperware
  9. Tape

Protecting ESCs

Methods 7+3 or 7+2 can be used together. The glue is used to shield the ends of the tubing.

Protecting motors

No protection is generally needed. Just make sure the solder joints are covered.

Protecting PCBs (e.g. Flight Controllers, Receivers etc)

Methods 2, 4, 5, 6 are known to work, but all have cons and pros:

  • 2: heavy, can't be easily removed
  • 4: a bit heavy, can't be easily removed
  • 5: should be the best, as it can be soldered through
  • 6: messy

Protecting cameras

Board cameras can be coated with 4, and probably other methods. Mobius etc cameras need to have all holes/buttons covered. More experience is needed.

Protecting other electronics

Methods 4, 5 ,6 probably.

Universal protection

Use 8: tupperware or other plastic food boxes. make holes for cables coming in/out but insulate them. Motors need to be left outside the box obviously. Be weary of heat issues in the box!

External Resources

Flitetest's guide for electronics

Flitest's guide for aircrafts themselves

Protection from the sun

On a sunny day, in a sunny country, electronics may be heated overly by sun, especially while the vehicle is stationary (no airflow, e.g. when waiting for GPS satellite acquisition). Copper or aluminum tape can be used to protect these components and help reflect sunlight.