X Background, Letter With Sun In The Background, Picture Of Things That Abstract letter X logo by Rhealea_Design on @creativemarket di 2024 Logo design graphic concept creative premium abstract vector stock X Letter Logo Design with Creative Golden Swoosh. Letter X Initial Icon X Men Coloring Pages Jace Printable X Ray Coloring Page. Northrop X 4 Bantom airplane model. The X 4, a single place, low swept wing, semi tailless aircraft was designed and built by Northrop Aircraft, Inc., for NACA. It had no horizontal tail surfaces, and its mission was to obtain in flight data on the stability and control of semi tailless aircraft at high subsonic speeds. The two X 4 aircraft were 23 ft long, 14 ft high, and had wingspans of 26 ft. They weighed almost 8,000 lb. at takeoff. Mahogany Wood. Scale: 1 32. Wingspan 10 1 4 inches, Length 9 3 4 inches.