搜索 - 科创

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你点火时点火头是插到发动机的底部，还是只在发动机的喷口处的燃料那点火。（看到你的点火头那么长就不解了）搅拌燃料可以用3V的电动机来搅拌吗?

挺奇怪的，如果二级第一次点火全程工作成功、二次点火失败的话，应该会留在低轨道上，算部分失败。既然直接报失败，要么二级第一次点火之后故障停机要么爆了，其实现在的发动机控制系统一般会在彻底爆掉之前关机。

KCSA-WXDHQ-315M-B02针对B01作出的改进，因为点火失败, 走过去处理也是很大风险(说一句非技术，但又保小命的，时间充足的话，点火失败还是不要急于过去查找问题，好好的等个2~5分钟在过去查看看

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