搜索 - 科创

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去哪里能找到啊这玩意儿……个人又觉得金属发动机比PVC厉害不少，想做一发金属的。那么金属的用哪种金属比较好，怎样加工？以上，虽然疑问很多，目前脑海中整理出来的就这么多吧，希望大神解答。

金属的导热性会使的.原料会在边缘的化学反应加快很多.所以介意楼主在做之前做好内襞的隔热保护...而用木头做喷口这和金属发动机是明显的不配的..金属做的火箭喷口应当尽力做小而提升能量使用率.而这样这样的结果是压力和温度急剧升高会使的燃料反应速度也变的迅速急快和不稳定而一但影响了物理强度失去稳定就会带来爆炸的危险