搜索 - 科创

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大家相信吗？这火箭没装喷管！45度角发射，精确测量，射程160米，估计高度90米。用的我发明的快速型燃料，7克装药，燃烧时间2秒。用一体式2级火箭，一级空心（5克），二级实心（2克），自动点火，点火间...

别人老说KN系列燃料制作要加热混合，今天我来试试干混KNSU,并且装入发动机试车火箭就是发动机加几个小木棍，试车时由于喷头没封紧导致类似爆炸的情况发生，喷头飞了十几米高[s:178] 总共装药大概1...

唉，好不容易做的火箭，爆炸了，好伤心呀！箭长30cm ，直径20mm 喷口5mm箭重84g 配重20g 发动机重45g药柱重20g 燃料用bp 发动机用电工套管(感觉是这出了问题)硝:硫:碳=15:...

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