first off, I'm building this plane on Android currently. I have not tested the current model of my build on PC and I'm working to make the same function on all platforms.

I basically finished the body of the plane I'm building and currently am going about swapping the wings with built in control surfaces for tossing a fixed wing into the flap of my custom wings. The problem I'm experiencing is that rolling the aircraft will make it speed up considerably, a single full rotation can increase the speed by 50mph and this will keep speeding up until the plane tears itself apart.

I thought it was the hinge being weak and torsion was spreading the plane out, so I swapped the hinge for a rotator and it does the same.

So then, I thought that the wing itself was not stable in the control surface. So I braced it inside the part by adding more connections to it, still does the same.

Eventually however, I figured it might just be the physics. I already know that In slow motion the physics engine has more time to compute. And sure enough it works fine in slow motion.

Does anyone have a build that uses wings in the control surfaces that doesn't do this, and can somebody test out my plane (which I'll share a link to) and see if they can fix the roll issue?

Also, the main reason I want the wing to be in the control surface is that it gives a more realistic and intuitive flight experience. I fit
clamp(Roll*smooth(clamp01(GForce<9),0.5),-1,1)
Onto the rotator for the custom control surface but if I can do the same to the stock wing's built in control surface it is also possible that I don't have to have the wing in the custom surface at all.