搜索 - 科创

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，厚度<=1mm 燃料质量：>300.59g发动机外壳参数：PVC 1.75mPa 外直径32mm 内直径28mm发动机参数：燃烧室长度：>300mm 最小喷燃比

初始喷燃比26.7 末期喷燃比200 算数平均数113.4试车台：发动机：测试录像：点击此处查看视频当时声音大得惊人，我离现场2m，耳朵被震到嗡嗡响，楼下有人尖叫。

引用 h13:看喷燃比……内压什么的我没搞过rap，但是金属机（别人的）1s左右因为是PPR机，所以喷燃比不能太高，控制在150以内吧实际这次发射，发动机工作很正常，推力很大，明显比KNSU 推力大，

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