Unlike a conventional DRS flap that rotates a few degrees to reduce drag, this concept rotates through a much larger angle, approaching 180°. That changes everything about the load path. At around 90° rotation, the flap is effectively broadside to the freestream. Projected frontal area spikes. Drag force scales with dynamic pressure (q = 1/2 rho V^2), so at F1 speeds the aerodynamic load can increase dramatically in a very short time window. That means: • A transient peak in drag force • A rapid shift in center of pressure • A torsional impulse through the hinge and rear wing pylons • High bending moments at the mounting interface The structure must survive not just steady-state loads, but these dynamic, rotating, unsteady loads. From a fluid mechanics perspective, mid-rotation introduces separated flow, vortex shedding, and highly three-dimensional wake structures. CFD visualizations show strong velocity gradients and recirculation zones forming behind the flap. That creates fluc...