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Protection

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Joris Dirks edited this page Apr 22, 2019 · 13 revisions

Table of Contents

Hardening the EPP

Using polyester covering film to laminate the drone.

Challenges

  • weight (/thickness)
  • stiffness
  • keeping barometer, sensors, ailerons clear

Instructions

Popular material

Camera

The lens on the nose is difficult to replace and easy to scratch or dislodge (leading to out of focus).

Many use a CPL filter (polarisation) or ND2/ND4 filter (grey filter, helping against over-exposure). a 37mm filter can be fitted with a GoPro Hero 3 adapter.

https://www.rcgroups.com/forums/showpost.php?p=39457952&postcount=2159 https://www.rcgroups.com/forums/showpost.php?p=39460928&postcount=2174 https://www.rcgroups.com/forums/showpost.php?p=39442083&postcount=2089 ===3d printed lenses https://www.thingiverse.com/thing:2907463 https://www.thingiverse.com/thing:3037963

Waterproof electronics

CorrosionX can be used to protect electronics (servos, C.H.U.C.K. except the barometer) from water/corrosion[1][2]

Retrieving a crashed and lost drone

Three routes:

  1. disco4g can track your drone with 4g and built-in gps, even when you're flying over wifi. Downside: if the drone crashes so hard the system shuts down, the locationing will also shut down.
  2. Stand-alone trackers can be the solution, showing the GPS location over cellular network:
    • note that many cheaper trackers have only LBS (location based positioning based on cell towers nearby, which is generally very coarse and not usable for finding a drone)
    • make sure the tracker works on your cell phone network (most people buy a prepaid SIM)
    • https://uavcoach.com/find-lost-drone-3-awesome-gps-drone-trackers/
  3. another route is having an RF or beeping locator beacon in the drone (could be combined with GPS)
    • https://www.rcgroups.com/forums/showthread.php?993165-Low-cost-DIY-XBee-GPS-plane-locator
    • https://www.cnx-software.com/2018/07/06/esp32-lora-gps-tracker-ttgo-t-beam-board/

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