"The best way is to use off the shelf components, ie tarot 650+a bulletproof APM 3.1 or Pixhawk, and waterproof it by yourself using corrosionX or similar. 6s is cool since it more "battery drain" tolerant than a 4s setup ! Statement based on actual…"
"Ok guys, sure this is cool and has many features such as lowered weight vs a quad, what matters here in my mind is how much the Yaw servo can handle and in terms of reliability and if the extra servo weight if finally not equal to a 4 th motor :)"
"The return of the Tris, that are definitively cool for weight and portability , if foldable, I would be curious to know if you guys have done some MTBF testing on the yaw servo over the long run :)
Cheers
Mat."