sentences:  In 1935, Odekirk co-designed the Hughes H-1 Racer.It set a world speed record of 352.39 miles per hour in September of that year, beating Raymond Delmotte's (of France) record of 314.32 miles per hour.The plane was revolutionary for its time and was one of the first planes in history to sport retractable landing gear and special countersunk screws and flat rivets to reduce wind resistance.