As I reported in a previous post (an expensive evening), I broke the arm of Misha’s HJ-450 frame.
I decided to glue it back together with epoxy glue. I don’t remember the brand of the glue which I use, but here is a photo:

I covered the broken edges in a large amount of glue and let it dry for a day:

And … very surprisingly … it held out so far in about 20 landings, some of them not very gentle.