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内容:引用 arminarlart33:碳纤维发动机,
石墨
喷口难道不好吗,没必要那这个说事吧。
关于固体火箭发动机喷口材质的一些个人观点
华夏青年
1年10个月前
发表于
喷气推进
内容:想发表一下自己对于发动机喷口材质的选择的浅理解对于传统的金属喷口虽然可重复使用次数多但是也存在着许多缺点,如重量大,加工难,成本高等缺点也有一些萌新,使用堵漏王,502面巾纸等奇葩材质的喷口,但是这些喷口虽然制作简单,但是,性能并不好,也难以塑形现在也出现了一些新型材料喷口,如,电木喷口,
石墨
喷口或者环氧树脂复合材料喷口等
小渣的第一枚100J电热炮。。。炮体求鉴定。。。
轻音与二次元
9年10个月前
回复于
电磁炮
内容:由于条件有限,我没有办法做爆炸丝电热炮,只能用
石墨
和水的混合物这样的工质。,你说这样效率很低,可是大家用的都是这个工质啊,从原理上看也很不错,难道说
石墨
和水的比例有问题?
DIY了个电弧炉,温度可以上1000
xiaotian99
8年7个月前
回复于
极客DIY
内容:我是把
石墨
小甘埚放到两个电极上,通电后即于起弧和短路之间。
HTPB推进剂 碳纤维发动机地面试车。
KFWJ
9年3个月前
发表于
喷气推进
内容:喷嘴材质:
石墨
和电木.,
石墨
完好无损,电木0.3毫米的烧蚀。
固液火箭发动机7s试车
清纯小萝莉
12年5个月前
回复于
喷气推进
内容:不足: 1.喷管壁厚过大造成散热速度不够,暂定的改进方法为:将喉部重新钻孔并且攻丝,安装
石墨
喷喉。,暂定的改进方法:使用
石墨
喷喉的310S喷管。,过几天我可能会对
石墨
喷喉的发动机进行试车。
<原创>二氧化钛为原料实验室制取钛金属
mithril
15年5个月前
回复于
化学
内容:方法就是以
石墨
为阳极,二氧化钛为阴极,以氯化钙为熔融盐,加以2.8~3V的直流电压即可,具体工艺可以上网查找。
铝空气电池制作教程
20!Dopaminor
10年5个月前
回复于
化学
内容:碳理论上在这里面没啥作用,除非你把它烧成
石墨
了,否则只有吸水填充作用 如果用的是电池里的碳棒会因为碳棒里有二氧化锰之类的氧化物导致效率高的假象
25mm光固化喷口发动机的研发
TonyStark
3年4个月前
回复于
喷气推进
内容:光固化喷管必须要加衬喉,钢垫片或者陶瓷
石墨
都可以,否则烧蚀极其严重,会有很大的推力损失。
各位大神先看看我的构思,想申请混合轨道炮制作资金,不知道我现在这条件符合不……
下潜的核潜艇
12年2个月前
发表于
电磁炮
内容:求大神指导……设计图:(如果有错别字的话……这是草图……这是草图……)后视图 侧视图 内部轨道 轨道核心设计图
石墨
阻跳板 思路:因为经历过失败所以对于正常的轨道接触类型(子弹在轨道中间移动)有些总结,即子弹在轨道中可移动的微小距离,这是瞬间放电导致子弹焊死在轨道上的的主要原因)然而切割类型材料毕竟不是一次性铸造出来的(当然能找到铸造类型的材料更好),不可能那么光滑,可能有小凸点让子弹跳起而造成不必要的伤害,所以在子弹上方用
石墨
作为阻跳板,,铝板作为压片,让子弹尽量的不会跳起,此图中架在阻跳板下面的两个为橡胶垫圈,避免阻跳板变成一个发射的阻碍装置而且避免电流避开子弹直接从
石墨
处导出 在阻跳板和外框架之间加装弹簧来进行反跳重置,重新把跳起的子弹,“押”回轨道, 然后现在在构思一种机械装置在子弹万一跳起的情况下进行二次导通,防止跳起的子弹和轨道之间产生打火,现在的构思是使用
石墨
为主体材料(这个毁了也没啥大的损失呀!)
小型轨道炮计划
三水合番
7年0个月前
回复于
电磁炮
内容:引用 獬豸:希望做一个6毫米的我有刚猪和bb,最好用水或
石墨
,(空气不知道危机怎么样)我不会计算,希望前辈能给我大概的参数和一些通俗的建议。
大功率电解水试验
ビリビリ女
14年3个月前
回复于
电子技术
内容:电极也不用铂那么高级,但是铜铁是肯定被腐蚀的,弄个
石墨
电极经济划算。
自制的火箭能否飞出大气层
shuimi126
16年4个月前
回复于
喷气推进
内容:买几吨钢材,做箭体接近一吨的耐火钢做发动机,还要耐火涂层,散热器买半方
石墨
,一些刚玉粉,一些水泥做喷口大量的燃料,如高氯酸,铝不想成为一次性的,要降落伞纪录,摄影机定位,GPS控制器,计算机高昂的加工费
第一台液机
法式油炸薯条
10年1个月前
回复于
喷气推进
内容:建议在燃料里掺百分之二的硅油,能减少燃烧室壳体的受热,然后是喷喉的高温冲刷有冷却都很麻烦,只能用
石墨
或碳复合材料
第一台液机
我的烦恼
10年1个月前
回复于
喷气推进
内容:建议在燃料里掺百分之二的硅油,能减少燃烧室壳体的受热,然后是喷喉的高温冲刷有冷却都很麻烦,只能用
石墨
或碳复合材料 第一台应该不会考虑这些,第二台在好好设计一下冷却。
MSFRM-IA 模型火箭发动机
KFWJ
9年2个月前
回复于
喷气推进
内容:如果你只使用KNUS燃料的话.直接可以用电木做喷嘴的 无需
石墨
.
真正的全金属复用发动机.难以企及的高效
ABC
16年10个月前
回复于
喷气推进
内容:``` 效果是比普通钢的要好````\"喷管和涡轮工作条件不同,涡轮在低温度(相对)要求高强度.喷管在高温工作而强度要求不高,工作时间很短磨损很小.所以喷管材料最重要的要求是熔点高,陶土和
石墨
这类的高熔点低强度材料都是优良的喷管
回 11楼(改装pcp) 的帖子
icedata
12年7个月前
回复于
跳蚤市场
内容:不过不管怎么样,都需要加保温材料,一般用氧化锆比较好,
石墨
毡也行,外层用氧化铝。
北方之风探空实验室穷困潦倒接活回血
暮光之羽
5年10个月前
发表于
跳蚤市场
内容:由于近期项目极其破财,出于无奈,苦学技术终于出师,现面向创友提供喷管堵头加工服务,由于没有钱买金刚石车刀了材料仅限酚醛树脂布棒、
石墨
、铝材等易加工材料,嗯。。
求教:关于切割方法((急急急)))
BBQBB
9年6个月前
回复于
极客DIY
内容:另外提醒一下,切割
石墨
时最好戴口罩哦,粉末到处飞呢。
[求助]电导法测水的纯度!!
hamdad
17年7个月前
回复于
电子技术
内容:廉价的惰性导电材料应该为
石墨
首选,曾经用截面积10*10mm的
石墨
电刷自制过一电导电极,面积1cm2,距离1cm……
Rail gun[軌道炮] V0.3 [儲能6000J] 發射試驗
black
14年10个月前
回复于
电磁炮
内容:
石墨
加在railgun中是没有任何意义的 几百KA的条件下 金属材料气化产生的等离子体才是导电物质
石墨
根本起不到作用另外 如果没有预加速 将会有大量能量浪费在这里 根据磁力分析可知弹丸在接触到导轨与电流输入端的地方
DIY一个简易单管电磁炉+感应加热
xiongfeixiang
8年9个月前
回复于
电气电工
内容:左右 匝数也不是太多 你建议的高温线应该不错有空在试试 有个问题就是 铁烧红了为啥功率上不去了呢 输入电流只有4A多点 加点水烧不让铁烧红输入电流可以达到最大功率9A左右 如果换上
石墨
钳锅会不会有这个问题
各种家庭实验党制备硫酸的方法及总结合集
浪里黑条
5年11个月前
回复于
化学
内容:含氧酸盐我也电解过,还电解过氯酸盐,
石墨
确实掉渣坑爹,需要一段时间就过滤一次。
KNSU 试车失败 大家帮忙看看
X_02_wyvern
9年4个月前
回复于
喷气推进
内容:喷管的话我用的是
石墨
应该没什么影响吧如果说的是药柱的话应该怎么防止呢?
【新人试制】knsu火箭发射...................当然失败了 居然分离了
苛性氟
12年6个月前
发表于
喷气推进
内容:查了大量文献后,打算做个火箭[s:263]第一次做对空火箭..少废话,先上图 外壳PVC 喷口是
石墨
滴 (没拍到)[s:252]选个发射地....安全第一...就选了学校运动场 嘿嘿一望无人
【YL-1AG】曜灵1号甲改 41.25mm直径knsb火箭发动机设计
MagneticFlux
2年10个月前
发表于
喷气推进
内容: 具体数据请看下图:(不足之处欢迎各位大神指正,积极听取各方意见) 以下是发动机CAD剖面图纸 实物:没有,不是忘插入了 喷喉部分隔热,考虑采用电镀
石墨
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