The popularity of not so long ago, the class of boat Hydro n today remains very high. In some Western countries, interest in new high-speed gliders eclipsed hobby other RC models. It’s not so strange. In established sports school a professionalization of equipment, and the average Modeler has become extremely difficult to compete with the masters. A class “Hydro” up to the present time the design of the glider remained simple n easily replicable. Attractive another factor. The fact that the average speed “Hydra” (about 100 km/h!) two times higher than any other boat. Of course, once you try to control such appliances, few people will want to come back to “snail”. Race track is very simple (oval, around two “pylons”), In one race at the same time involved up to five athletes. This increases the intensity and passions of sports and entertainment competition. By the way, even the simplified system of reckoning. No tables for specific speeds or seconds. The winner of each race gets the maximum number of points, and each subsequent participant, the corresponding place in the race.