My personal opinion: to create a new one, you need to learn how to do someone else's perfectly. For example : You made a huge cutout in the wing under the fuselage - this weakened the structure and showed that you are an amateur in design. In all models, the wing structure is made light and rigid. The fuselage is easily cut and glued to the wing. Its functions are the similarity of the model to the prototype and a place to install the battery, receiver and servomechanisms. Control of the ailerons in your model could be done on 1 servomechanism, hiding it in the fuselage and setting the rods to the ailerons. The motor for this span should be put in the back, this would make it possible to install a good battery in the nose of the fuselage, which could be moved to find the best flight CG. In this span, I would make a wing with a flat-convex profile using 3mm foam or with a KFM2 profile, which will improve glider qualities. In conclusion, make the nose of the fuselage into a cone. You have a topic and you don't have to drop it and move on to a new one. I suggest you make the next reincarnation of your model, taking into account all the wishes. And if we say -WOW!! You managed to do what you wanted.