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
The Secrets of Jonathan Sperry Station Network stated the film was number one at the Ada, Oklahoma box office over the November 6–8, 2009 weekend. Christian actor Kirk Cameron said, ""The Secrets of Jonathan Sperry" moved me with its message of eternity and how one faithful man can make a difference in the lives of many. I recommend this inspiring movie for any family to watch together." Common Sense Media gave the film only two out of five stars, citing its "very thin story," "amateurish performances by the young actors," and "unquestioning point of view." The Secrets of Jonathan Sperry The Secrets of Jonathan Sperry