Hall "Bulldog"Hall Bulldog Racer airplane model. The Bulldog Racer, designed and built by Robert Hall, emerged from his expertise as an engineering test pilot in the early 1930s. After contributing to the design of the renowned Gee Bee Z with the Granville Brothers, a disagreement led Hall to part ways and pursue his own aircraft designs. His initial creation was a two seater named Chicada, intended for the England to Melbourne Race, featuring a unique insect like