Gunradd
I have one and the gear have been a big pain. The biggest problem is the rotating pin that the strut plugs into breaks and is not up to the challenge. I even had one break on taxi. The original one was a one piece machined part. The new one is two pieces laser welded and completely not up to challenge. After several pics and proof Feibao finally has admitted there was a change and is making new batch and sending me new parts. I also had to work on retract mechanism and modify to get to work.(Worked fine on ground but not in air do to air pressure) Giant issue is elevator mechanism was hand tight and will fail. I had to cut open back of plane to reach parts remove locktite and tighten. Good news is the plane flys great once you get issues worked out. Another issue are the wings clamps, they get loose as well. You need to build and bracket them so wing stays in place.
God luck with your project