搜索 - 科创

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接下来我们将空气阻力纳入考虑，以向上为正方向，在对比中我们同时使用火箭推力恒定和燃料质量不变，那么在加速过程中火箭所受合力为F = FThrust - mg - Fairdrag

其实吧~这种火箭的效率并不低M5曾经只用4.5克燃料将总重25克的火箭发射出120米。并且该火箭完全由纸做成某些燃料由于具有特殊的性能，不用喷口也能获得很高的效率

LZ的发动机燃料燃烧方式是端面燃烧吧（或是喷管不耐高温），那样不烧才怪呢！LZ的除了加厚发动机外壳外，还可把燃料的燃烧方式改为内孔熔燃，喷管材料尽量用耐高温材料。

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