搜索 - 科创网

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内容：``````````其实想要做二级火箭就必须在箭体内部加上点火系统``````` 一级可以在地面点火```````而二级必须在天上点`````````` 所以轻质量的点火系统是必须

内容：研究背景:我在科创上浏览过许多相关板块文章，少见有对于并联发动机和二级火箭的研究，为了弥补这些缺陷，给科创添砖加瓦，特此研究。

内容：在这里需要注意的几点：1、二级火箭外径等于一级火箭内径，考虑到切槽会降低一级火箭箭体的强度，有润滑剂（比如滑石粉）的情况下不至于卡死而无法脱出 2、此槽需要有合适的长度，使得两级火箭之间的连接足够稳固,3、二级火箭的尾翼需要足够牢固，一级火箭箭体的槽需要足够平滑，避免二级火箭尾翼脱落下面阐述一下此连接方案原理：一级火箭箭体的槽作为导轨，二级火箭尾翼与柱状突起形成稳定结构（或直接改用长条形小翼展的侧翼,因为考虑到一级火箭的回收，又考虑到点火装置放置在二级火箭中的制作可行性困难，最终决定将点火装置放置在一级火箭的顶部。 ,如图左部，一级箭体的上部，装有降落伞信号发射器等回收装置，上部为一个泡沫塞，略比内径大，以产生适当的摩擦力，其上部贴软木片，再上覆盖铝箔以提高防火性能（毕竟是二级火箭的尾焰），下部由一定长度的弹性绳连接一级箭体

约找到 192 条结果，耗时 0.234 秒

文章分类：

注意事项：

当前账号的附件下载数量限制如下：