This is a guide dealing in detail with every aspect associated with the design and construction of powered sports models. The text helps the modeller who has built one or two kit model aircraft to progress from simple modifications to the creation of unique designs. It deals with basic materials, essential aerodynamic considerations, the various constructional methods, the wide range of model configurations and size as well as a choice of power plants. The book finishes with tips on drawing plans, getting them published and safely completing the early test flights.