| 摘要 |
This invention relates to three features to enable radio controlled helicopters to turn more precisely. The first feature entails adding a second on-board motor so that one motor is totally dedicated for main propeller and the other for the rear rotor with an integrated circuit system, which can allow each motor to function independently from each other. Second for stability a fixed vertical triangular stabilizing fin that extends downward from the boom near the tail was added to the helicopter. The third feature, which enhances safety, is that of safety arcs that are connected to one of the blades and also to one end of the fly bars. This configuration of safety arcs is a distinguishing feature and not commonly done on other radio controlled helicopters.
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