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编辑文章

和同学进行knsb燃料试点燃与确定火箭发动机

九又2024-07-24 IP:甘肃

关键词

knsb火箭发动机图纸

本人初次接触knsb燃料，原料才到便迫不及待的约人试燃了

硝酸钾选择：天脊农业硝酸钾肥料（N>13.5 K2O>44.5）

山梨醇选择：天津市华盛化学试剂有限公司山梨醇（AR）

第一次制作：

kn:100g sb：53g

先将山梨醇熬制彻底融化后马上停止加热，然后少量多次添加kn

mmexport1721559173011.mp4 点击下载 ‎

‎

第一次测试：没有测燃速。楼道点火，没想到烟雾巨大，楼上有人说烟都飘进自己家了......

第二次制作：

kn：100g sb：53g 尝试得力胶水做固化剂：5ml

先将山梨醇熬制彻底融化到有些发黄停止加热，再加入胶水，然后少量多次添加kn

这里没保存好，段成三段。这次的巨硬。

‎

VID_20240723_171057(0).mp4 点击下载 ‎

第二次测试：

测燃速：差不多2mm/s

有了场地：周围黄土高坡与没有任何草木的荒地。为报安全，甚至带了水基灭火器（虽然过期了）

第三次制作（本次纯属瞎玩）：

kn：100g sb：60g 航模胶水：5ml

此次采用重结晶法制作。

将sb与kn混合后加水，熬制差不多停止加热，后灌装至pvc管道内。最后将pvc管道放进3d打印的发动机内。

原样：pla炭纤维耗材3d打印。

后来.....pvc管道没整好，装配时喷嘴就废了

‎

VID_20240723_175112(0).mp4 点击下载 ‎

第三次测试：

本次燃烧时间长，完整的5分钟左右。

纯属瞎玩.....金属的发动机堵头没有，临时起意用此模型....

灌装时没有模具，用的筷子不顶用，没有彻底冷却就试了....燃料在pvc管道内几乎填实。

燃料前端表面点火.....

发动机尸体

以下是发发动机的选取：

总共制造价格560rmb（找人定制）

话说此发动机是不是有些贵....（请大佬点评）

[修改于 4个月3天前 - 2024/07/24 12:44:52]

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拟态

浪迹天涯

3个月23天前 IP:中国

D889616

1楼

都3d打印了你觉的还能耐高温嘛

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九又

浪迹天涯

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2024/07/23注册，3天10时前活动

没什么简介？时而整整软件时而玩玩硬件......有时玩玩火箭。有一个个人博客：XXXXXXXXXXXXXXXXat （访问时温柔点，服务器挺不住）

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