https://www.youtube.com/watch?v=OOgZJiXv5Hk
How to build / fabricate / fab / make an adjustable rear wing for a Formula 1000 race car with a foam core cut on a homemade hot wire foam cutter, laminated with a stressed skin of epoxy fiberglass. Includes making rear wing endplates (end plates?) with aluminum hard mounting points, aluminum adjustment plates for the airfoil, and aluminum bases to mount the endplates to the diffuser.