 Clearly, though, more attention to flight testing the basic design was needed, particularly in the area of handling qualities.Sperry and his assistant, N. W. Dalton, obtained a Marmon automobile, and mounted the Curtiss-Sperry Flying Bomb to the top of it.In this configuration, Sperry and his crew drove the Long Island Motor Parkway at , one of the first examples of an open-air wind tunnel, and adjusted the flight controls to what they thought was the optimum settings.