搜索 - 科创

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基于方案一的缺点，设想出方案二方案二的优点是：由于二级的引火线是紧贴着一级的发动机壁，所以只有在一级燃料完全燃烧完毕后才能被点燃，保证了二级不会过早点火。

有一处改进就是在搅拌棍与顶盖之间加层铁皮减少磨损最后取出内核倒出药料最好用下简易的真空浇筑舱详见版主的教程第二部分化学改性在药柱中可添加各种东西但我发现最易寻找最好用的就是碳粉这种方法也适合用于石蜡基燃料加进去石蜡燃烧就均匀多了方法是将磨好的碳粉放入药料中一起搅拌石蜡基燃料用这种方法的效果比石墨好针对酚醛树脂和氯丁橡胶其中的其他化合物太多了最好加上活性炭吸附也可去除燃烧后产生的异味