Demonstrated his father’s gyrostabilizer in front of a large crowd at the international airplane safety competition in Paris, France on June 18th, 1914 which earned the Sperrys a 50,000 franc prize.
Conceived of a three-way gyrostabilizer to steer bombing planes in 1915.
Developed the first amphibious flying boat in 1915 and added lights to it to make night flights.
Became one of the first civilians commissioned in the Navy Flying Corps Reserve before the U.S. entered World War I.
Formed the Sperry Aircraft Company in 1917 to perfect the gyrostabilizer and other flight instruments.
Helped develop the aerial torpedo during World War I.
Developed a triplane amphibian in 1918 for the Navy and an improved self-contained parachute.
Built the Sperry Messenger biplane for the Army Air Service, followed by the Verville-Sperry Racer which featured a retractable landing gear, clean wing design, and won the 1924 Pulitzer Trophy Race.
Converted the Messenger into a private sport plane that can be kept in an ordinary garage in 1922. He later added a releasable landing gear, fuselage skids, and a top wing hook to permit in-flight refueling.