They are better suited toward competition and the experienced modeler where accidents are usually minimal. Keep in mind, when learning to fly a helicopter you are bound to have a crash or two and parts are going to have to be replaced. A good place to start would be a machine designed for a .30 size engine, a stable flyer with collective pitch, and one with a good avialability of parts. When purchasing the helicopter engine, the muffler is not included. Usually the muffler comes with the helicopter kit.
Different motors facilitate different starting methods.
Some come with a pull start system for very simple starting. Others use a cone start where an electric starter is used in a manner similar to starting an aircraft. Still others use an electric starter and a belt for starting. The Radio As mentioned earlier in this introduction, a proper helicopter radio differs from a standard aircraft radio. There are certain functions that must be mixed electronically and these are found only in radios designed for this purpose.