Hewitt-Sperry Automatic Airplane for eight years, and yet Sperry became intrigued with the concept of applying radio control to them. He realized that for radio control to be effective, automatic stabilization would be essential, so he decided to adapt his naval gyro-stabilizers (which he had developed for destroyers). In 1913, the Navy provided a flying boat to test and evaluate the gyro-based autopilot. Sperry's son Lawrence served as an engineer during the test phase. In 1914, Lawrence Sperry was in Europe and observed the developing techniques of aerial warfare, including the use of aircraft. In 1916, the two Sperrys joined Peter Hewitt, an
1910 London to Manchester air race that take-off and landing were to be at locations no more than five miles from the newspaper's offices in those cities. Powered flight was a relatively new invention, and the newspaper's proprietors were keen to stimulate the industry's growth; in 1908 they offered £1,000 for the first flight across the English channel (won on 25 July 1909 by the French aviator Louis Blériot), and £1,000 for the first circular one-mile flight made by a British aviator in a British aeroplane (won on 30 October 1909 by the English aviator John Moore-Brabazon). In 1910, two men accepted the newspaper's 1906 challenge;