using cyanoacrylate instant glue. it seems to be working well with the PLA. Not sure abut the weight just yet. But i am getting there and will post up those specs. Also there are specific points where i need the make the plane balanced. The motor and battery setup I am using is supposed to be good for 780-790g of thrust.

And the incredible titan aero fan duct I am now using on all of my machines I downloaded from right here: https://www.thingiverse.com/thing:2941191