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火箭喷嘴耐热性讨论
chaozhou
12年10个月前
回复于
喷气推进
内容:我用堵漏灵
水泥
,但觉得冲刷较严重,貌似
水泥
熔化了。
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20!Dopaminor
9年9个月前
回复于
喷气推进
内容:引用 地震带上的人:少套用猫灵的话,你又不是没炸过发动机,
水泥
块炸成两半还是绰绰有余的 炸成两半怎么了?,如果炸了传感器怎么都会坏,传感器没坏就灌多点
水泥
变回去,根据发动机大小来灌
水泥
就是。
(原创)自适应白水泥火箭发动机喷管
warmonkey
15年11个月前
回复于
喷气推进
内容:是
水泥
肯定会裂,可以使用加填料的办法弥补。,例如加入石英砂,石墨粉,黄土粉……只要是高温下不容易分解或燃烧,且不会严重影响
水泥
水泥
性能的成分就行了。,白乳胶比
水泥
还贵,加这个不是个好选择。
塑钢土根本不能做喷口
七公里垃圾站职业技术学院
10年0个月前
回复于
喷气推进
内容:引用 jingrongren:堵漏王的大体还是
水泥
。,
水泥
在高温下强度下降,但是形状不变。,不是
水泥
,你可以测试,做好两块,同样大小,在燃气灶上开大火,3分钟后对比强度你就知道了
自己制作完美的 DeLaval 喷嘴。
第七骑士团
12年0个月前
发表于
喷气推进
内容:第二,买混泥土,
水泥
,实在不行的话买石膏。,锚固
水泥
和混泥土是好东西,石膏相对来说弱点。,第六:
水泥
+喷嘴内部和喉咙
水泥
,水加的越少越硬,但是太少又硬不了。,很简单,把你的
水泥
放在杯子里,放一点水然后搅拌,一直加,知道变成流体,一般水是
水泥
的四分之一。,新做的
水泥
倒进去。。。
ppr发动机试车
江文。
10年3个月前
发表于
喷气推进
内容:wai点击此处查看视频发动机用PPR(外径20内径16),3mm
水泥
喷口,KNSU10g,内孔直径4mm。,
水泥
喷口就真有这么不结实么?
新手求助,你们是怎么把喷嘴固定在壳体上的?
zzlzhang
15年0个月前
回复于
喷气推进
内容:回答:1,缩口 2,金属垫圈 3,螺纹 4.螺丝
水泥
浇筑 5,膨胀
水泥
6,不用
火箭喷口用纯水泥做还是混点沙子做??
大蒜
16年0个月前
回复于
喷气推进
内容:我用纯
水泥
做了一次 为了让他快点干 还用喷枪烧 结果 .....又还原成
水泥
粉了~~~~
关于炮姐转职生产硝酸钾这档事(完)
200361095
3年9个月前
回复于
化工矿冶
内容:用专门的铝酸盐
水泥
速凝剂,那个好使,也不贵。
我就不信会·爆堵头了
江文。
10年3个月前
回复于
喷气推进
内容:发射架我用一次性纸杯,装满
水泥
,倒过来,
水泥
初步硬化后再插一根铁杆下去,重心会较低。,发射架重心低很重要,以前有过发射架直接被火箭吹倒,所以圆台形结构的一次性纸杯和密度大的
水泥
用在发射架上就很合适。
【视频】爆喷口的纸火箭发射
zzlzhang
15年11个月前
回复于
喷气推进
内容:那
水泥
质量太差了吧..........我的火箭飞起来再尾部落地
水泥
都没事....火箭壳还金属的...
[虚心求教5]装药后的PPR管缩口问题。已搞定,谢谢各位小哥!8月31日
火箭casc
9年4个月前
回复于
喷气推进
内容:引用 liushang100:堵头处先填一半
水泥
,再缩口,再填
水泥
。
神奇的冷缩热不涨现象
xiaobai152
10年11个月前
回复于
物理
内容:瓷砖与地面间
水泥
抹得匀不匀,有没有空洞?
星舰上的隔热瓦是什么材料?
y0123
3个月16天前
回复于
航天技术
内容:类似我们北方用岩棉给外墙做保温技术,也是先打钉再铺岩棉再上钢丝网,再摸
水泥
浆。
无聊逛淘宝发现的好东西,半拉喷(带喷喉与扩张段)
Kiosk
9年8个月前
回复于
喷气推进
内容:顶,可以内置于
水泥
或其他复合材料中,就相当于在
水泥
里精确挖了个喷口。
绝缘漆买不到,石蜡和502和润滑油可以代替吗?
付笛声
11年6个月前
回复于
高电压技术
内容:我试过用白
水泥
沾上,挺结实的,1块钱可以弄一小袋,足够用了,还有些多余的 其实买五毛钱
水泥
已经够用了
今天集中测试了8 个PPR发动机,有2个RAP的出环了,1个RNX好像也有环
fuboxx
9年7个月前
回复于
喷气推进
内容:引用 香皂火箭q:耐火
水泥
怎么样
水泥
感觉还是没石膏好用,石膏耐温,然后密度大
出GIANT750一台(自行车)
敬仔
14年10个月前
发表于
跳蚤市场
内容:09年3-6月份买的踩了不小于3000公里不大于5000公里只是当代步工具用冲过十来次山而已PS:不是越野是冲山,就是冲山上从下来一直都是平整的
水泥
路图不上了QQ里发架子上沾了些
水泥
还有几处刮痕(不深)
高考狗关于过氧化氢催化床的想法
pengpei
9年6个月前
回复于
喷气推进
内容:不知道是
水泥
问题还是什么,做出来的
水泥
块掉粉,硬度和石膏差不多,可以用指甲刮下粉末
视频-KNDX发动机..飞起来啦!
kangyuhelf2
16年0个月前
回复于
喷气推进
内容:汗...看视频我貌似没看见飞起来....不过看视频不怎么像KNDX.有大量熔融喷出...
水泥
喷口我用过..主要是要固定好干后的
水泥
块.可以采用缩口和滴加502的方法固定..弱弱的说一下吧..我以前用
水泥
喷口
一些水晶
用户已注销
16年0个月前
回复于
地理与地质
内容:LSS那是巴西产的紫水晶洞...外面绿色的糊的是
水泥
...
天叔Diy教程一:曲面头锥
bkh123
13年3个月前
回复于
极客DIY
内容:1 原料用热熔胶,若配重就用
水泥
,或者热熔胶做空心,之后填
水泥
也可。
火箭失败了
ybylz
16年10个月前
发表于
喷气推进
内容:半径40,喷口
水泥
.KXDX
AOSEXI 1W 445nm Laser到手,测评一下~~~~~~
wzx0033
12年10个月前
回复于
强激光
内容:[s:257]
水泥
地的那个。。。
25克左右的knsu燃料测试(加了氧化铁.少量......)
东风八卦
9年8个月前
回复于
喷气推进
内容:耐火
水泥
湿法表面很脆弱,有点粉状 问了问老爸不是耐火
水泥
无聊逛淘宝发现的好东西,半拉喷(带喷喉与扩张段)
arminarlart33
9年8个月前
回复于
喷气推进
内容:引用 Kiosk:顶,可以内置于
水泥
或其他复合材料中,就相当于在
水泥
里精确挖了个喷口。
制作失败,喷嘴不行,变榴弹了
累行不缀
10年6个月前
回复于
喷气推进
内容:
水泥
里加沙子会降低强度。,你可以用纯
水泥
做,强度绝对够,再在中间加一截铁管做喷口就完美了
AOSEXI 1W 445nm Laser到手,测评一下~~~~~~
技术学习生
12年9个月前
回复于
强激光
内容:
水泥
地的刻蚀要多久啊?
AOSEXI 1W 445nm Laser到手,测评一下~~~~~~
cqb98
12年10个月前
回复于
强激光
内容:可以刻
水泥
地……[s:275]是我看错了,还是打错了……
关于水泥喷口的求助
Wang123456
1年0个月前
回复于
喷气推进
内容:不研究
水泥
,但从动态冲击载荷的角度看,普通硬化
水泥
属于应力敏感性材料,受强冲击载荷就完蛋;并且受高热后的硬化
水泥
本构关系会发生剧变致破碎爆裂,举简例,火灾后的混凝土建筑都会报废。,普通硬化
水泥
用于高温冲击喷口非常不理想。
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