Across the street from Homebuilder Headquarters squats an aging yellow pole building. Inside its uninviting exterior may lie the confidence you need to tackle the primary skills holding you back from building an airplane. Even if your skills are polished, it’s worth stepping inside to see EAA Chapter 252’s—Oshkosh’s hometown chapter— Wittman Buster Replica. More than a replica, though, it is utilizing original components from one of Wittman’s many iterations of his most famous race plane.