What manufacturer was investigating the Wittman Big X and at one point was based in San Antonio, Texas?
Wittman Big X The Wittman Big X is a four seat high wing variant of the Wittman Buttercup. The aircraft received serious attention from both Fairchild Aircraft, and Cessna Aircraft in the post World War II aviation boom.
Wittman DFA The Wittman DFA aka Little Bonzo is a homebuilt racing aircraft designed to compete in midget racing.