抄録
The author joins NHK Robot Contest of College of Technology, that is, "ROBOCON" every year. Last year, contest's rule was to have the robot performance. So the author decided to manufacture the robot flying the bamboomerang for children. The orbit is analyzed in our laboratory. The author made this launcher referring to planetary gear. Bamboomerang was able to fly from the launcher in the rally fascinated audience and NHK.
