https://www.simpleplanes.com/a/Ve9XfZ/PO-40U Better Variant
To fix the goofy flaps:
Right of the wing, yes, there, find it, it is just snuggling inside the fuselage wing, scroll down, and find the CS (Cont. Surf.) with VTOL config, find invert, and press it.
This will hopefully fix the flap being inverted.
https://www.simpleplanes.com/a/Ve9XfZ/PO-40U
Better Variant
To fix the goofy flaps:
Right of the wing, yes, there, find it, it is just snuggling inside the fuselage wing, scroll down, and find the CS (Cont. Surf.) with VTOL config, find invert, and press it.
This will hopefully fix the flap being inverted.