搜索 - 科创

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火箭够粗糙，果然和我去年的作品有一拼 [s:94]想稳定很简单1加发射架2加配重，保持重心在气压中心之前，或增大尾翼面积。参考https://www.kechuang.org/t/23963%26ke...

引用楼主kangyuhelf2于2008-10-06 22:42发表的 (试验中)电解硫酸铜制硫酸 :已知 CuSO4电解可得阴极：2Cu2++4e=2Cu 阳极：4OH--4e=2H2O+O2...

拉喷入口锥角60度，出口30度，喉部圆弧过渡，这个可以用一小段直管代替药柱直径=入口直径，出口面积/喉部面积=出口压力（可以取一个大气压）/燃烧室压力燃烧室压力用https://www.kechuan...

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