| 摘要 |
PURPOSE: A water rocket having a warhead resister is provided to prevent the rubber cap from being taking off in advance by comprising a resister in the head. CONSTITUTION: The water rocket includes a body having a hollow portion and a power portion, a warhead(50) for guiding the propelling direction of the rocket, and a resister(60), which is installed on the warhead(50). Water or air of high pressure is filled in the power portion. The resister(60) is formed to protrude around the circumference of the warhead(50). When the water rocket is propelled, the water rocket has air resistance due to the resister(60). |
