Hello & building my own UAV!

Hi there, new to the forums and thought I would register and share my project as no doubt I will probably need some help in the future. As a British expat living in Sweden with a bit of free time on my hands a few weeks ago and spontaneously decided that I would design and build a UAV despite knowing nothing about them.

Anyway, now a few weeks later here we are. So far I have chosen the following for my initial build - other exciting things will be added later:

  • I am designing the frame myself :)
  • SP Racing F3 Deluxe
  • Taranis-E 9XE (which includes X6R in the kit)
  • DJI E310 propulsion kit (which includes motors/ESCs/props)
  • Matek PDB

Probably when I am happy with it I will put it up on thingiverse for people to download. The 3D design is almost done. Attached is the final design for the arm, which I will 3d print in carbon fibre reinforced PETG - this weighs in at 41g per arm with 100% infill:

3691316121?profile=original

Here are some previous versions of the arm (these are draft quality low infill ABS prints just to test how the parts fit together - these were also broken on purpose to find weak points) showing how it fits with the E310 propulsion kit:

3691316241?profile=original

3691316136?profile=original

3691316197?profile=original

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  • Well I got pretty far in the design - below is all the parts assembled from a few days ago, minus the battery holder on top. Most of the parts are now made as well. I dropped carbon fibre PETG as it completely ruins the printer nozzle after about 200g (less than half a spool!) even using good micro swiss nozzles.

    I let some feature creep happen and added sonar, a row of LEDs at the front and a buzzer to the initial version.

    All the parts have now been printed. I currently have a blocker from it flying due to one of the brand spanking new DJI E310 420S ESCs having an internal short - there was an almighty POP when I tried plugging it in to check if there was a firmware update. Fortunately the connector was just touching and not fully connected so I was able to immediately disconnect and I did not have a fire on my hands. I am sure this has not done the LIPO battery any good despite being the shortest of shorts. 

    More pics of the real thing soon as the assembly looks a bit more complete and I have the replacement ESC.

    3702300665?profile=original

    https://storage.ning.com/topology/rest/1.0/file/get/3702300718?profile=original
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