搜索 - 科创

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此想法来源于冰雹火箭喷口用的是一毛硬币钻了一个5mm的孔堵头是穿孔铁丝+堵漏王（缩口的技术我不会）尾翼做大了，其实可以和箭身一样宽的燃料是重结晶knsu不说了，上图视频晚点发

45%的硫酸100ML加10G亚铁氰化钾200-220度加热在蒸馏瓶温度达到200度左右有白烟放出进入安全瓶安全瓶里的大黄蜂三到五秒里很快玩完白烟约产生了3分钟随后消失再随后持续加热进约15分钟蒸馏瓶...

点击此处查看视频清晰的图片下载：这一次发射采用了上次测试所使用的PPR发动机。箭身使用纸筒，尾翼使用复写垫板。新做了一个发射架，可以折叠，感觉很不错，那个杆子是8元一支的航模碳纤维杆，3mm直径，...

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