The Production of Launcher for Water Rocket

摘要

This paper presents a thing about the design and the manufacturing of the launching pad for the water rocket. A lot of persons can use a manufactured launching pad in the event in the child meeting and so on. For the using person to have an interest to the water rocket, the launching pad is the thing about which it is possible to adjust an angle and is designed and is manufactured. In this paper, a featuring questionnaire result at the various launching pad is described.