hello all! im also working on my own desing, its a 2x2 ship, all balsa biuld

ill start a new thread for my plane, so you all can see the process and give me your opinions

but, before all, i have a question

im just about to cover my wings, its 100 % nessesary to put a fiber reinforcement over the wing tube?, under the balsa sheet?

some pictures attached so you can see it better

thanks!!