Yup, after building and working on this rig I really don't think it's designed for heavy duty usage, imo. Ni5's ace and intergrated design but very limited in being able to modify, I should have looked deeper into the owners manual to see what the guts were like. It is simple to work on in some regard but limiting in others.
I took my Tarot X6 apart this week and am going to sell the x6 frame kit. I had KDE 3520's on it and tried 3 different FC's. Some footage from my proven CP gimbal on DYS eagle eye with gh3 and gh4 was ok, but occasionally, it wanted to vibrate just a bit. Worked on the mounting a bit which helped, but all in all, I didn't like the way it flew, (my first hex) compared to my x8 and quads.
I agree that it's not built for heavy loads and part of the problem IMO, my stem from the gigantic center plates. Way to big IMO. They need it to get their retracts out. On the other hand, it was easy/ nice to work on with the connections for the power and esc's right near the folding mechanisms.
I'd be suspect of long term usage of the folding arms, but don't really know. I did ruin one of the plastic locking handles. That said, the folding arms are one of the things I liked about it, just don't think the convenience
is worth the lesser handling compared to my x8.
I'm going to buy two more KDE 3520's and build a 2nd x8. Then compare it to my other with Avroto 3515's. Depending on flight times and handling, I will sell one off as a working aerial drone as I have a couple gimbals that work great with my cameras.