搜索 - 科创

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谁教我制作火箭开伞延迟部分的制作,也就是火箭燃料燃烧完或接近燃烧完时就能把伞打开的这部分，我做过好多次都没有成功过。最好有图或视频，谢谢啊。

发现整个燃料1个洞燃速太快了，因为燃烧时我发现压力越大速度烧的越快，我在3个测试里已经大概找出燃速对压力的比率。2次大气层压力和1次箭内实验。

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