How to choose a model and spot design flaws, especially in moulded hulls, and how to repair many of those faults - Brushed and brushless motors, and their speed controllers, drive systems and propellers - Guidance on rechargeable cells and the correct chargers, and safety tips for lithium polymer cells - Tips on construction and how to set up a boat for racing - Detailed instructions for building a wooden three-point outrigger hydroplane - Radio systems, wiring and connectors