Our handmade 2 hybrid rockets (TH#1 and TH#2) were launched at Taikrcho in Hokkaido on March, 2004. The purpose of TH#1 is measuring the flight performance and that of TH#2 is a flight test for our original separation mechanism without gunpowder. The two launches were successful and these heights were about 350m. We could not acquire the separation data for TH#2, but we confirmed the successful separation by a ground movie camera. In this experiment, students designed, made, fabricated, tested and launched during all of the process for rocketry. In this paper, we report a result for two rocket launches and our experimental experiences of rocket making and the management.