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智繁星
9年10个月前
回复于
航空技术
内容:这个论坛好像没有飞出大气层的·····都是在这之内,要飞出大气可以在上面加第
二级
固态嘛·····扯得有点远,这个火箭就是个一级火箭,在大气内工作的,实验可行性,大规模使用的话,成本能降低。
自制电击枪出现以下问题
yao3900
13年0个月前
回复于
高电压技术
内容:考虑下2极升级,一级升到千八百伏,用放电管再升第
二级
, 这样出来的脉冲电能量比较集中。
发个diy的汽车数据读取装置
lnjzghy
11年0个月前
回复于
极客DIY
内容:这个巨好,不过请参照福特翼虎的显示仪表美观优化,个人感觉有点乱,可以通过设置
二级
三级界面,让首界面清爽一点,美化些,
关于万户火箭的二级尾翼和分离的建议
ltl
13年8个月前
回复于
喷气推进
内容:直接一
二级
之间装一个套管就能轻松解决的问题居然被你们折腾得这么麻烦。,一级发动机顶端接出一根引线,靠
二级
点火产生的气体直接把一级喷掉不就行了么 我怕气动和强度的问题………………我这也只是一个套管,只不过是套拉喷的而已,利用拉喷的外形卡住至于炸掉我只是怕分离不彻底,如果那里卡住了就比较没法了
spacex的回收火箭
metellan
10年0个月前
回复于
喷气推进
内容:就算第
二级
能有足够的减速能力,第一级莫非也要留很多推进剂就级间分离?
试做紧密加速
tirrus
10年4个月前
回复于
电磁炮
内容:一般不是要控制地端么 另外紧密加速的第
二级
触发时间怎么控制 ...可控硅控制正极不好么?
新做的3级电磁加速
computerpan
15年0个月前
发表于
电磁炮
内容:管子不够长,不然想做更多级的[s:261] 电容第一级330uf*11,第
二级
330uf*4,第三级330uf*3,电压都是400V 用的1.0的漆包线,绕了8层,线圈长3.8CM 子弹长3.7cm,直径
【H3C小组】火箭分离模拟试验—爆破切割地面试验成功【有图有真相】
guohc
12年6个月前
回复于
喷气推进
内容:一点点扰动就足够把火箭弄偏了咱的火箭都是没飞控的,这么着急搞
二级
,还没成功过,有米有意思啊
信息汇总:长征5号遥二火箭发射出现异常
虎哥
7年6个月前
回复于
喷气推进
内容:综合上面各种信息,目前认为最可靠的推断是350s时一级故障,未达到预定速度并导致一
二级
分离延迟,使火箭高度损失100km左右,再入大气层烧毁。,一级故障的话如果结构完整,及时抛掉一级,由
二级
挽救到近地轨道可能是可行的,但是这一切都必须事先编好程序,而且决策要果断,丝毫不能犹豫,不可能靠人工操作来搞定。
可控硅莫名其妙击穿了 求解
AXU
10年9个月前
回复于
电磁炮
内容:go炮君 发表于 2014-4-7 17:45 其实70TPS16达不到900多安的,线圈闸数少了点,FR309也小了,要多个并联,鉴定完毕奇葩的是第
二级
1100A左右 可控硅没事
头疼系列三: P90
xiaoweitongxue
1年6个月前
回复于
电磁炮
内容:大佬请教一下,这份数据第
二级
开始是不是有点问题,0.6的线径在1.7cm的长度下每层绕26圈,是怎么得到170圈的,难道最后一层少绕了几圈?
谁能帮我计算一下弹丸初始位置?
22X220
9年2个月前
回复于
电磁炮
内容:引用 2949640977:新设计一款:一级:线圈长度35mm,线径1mm ,8层
二级
:线圈长度30mm,线径1mm ,8层
[原创]水火箭的助推器的制作过程
huangxun
13年1个月前
回复于
喷气推进
内容:好吧,其实我的梦想是实现美国佬的这个:XXXXXXXXXXXXXXXXXX/v_show/id_XXXXXXXXXXXXXXXXml
二级
+助推,甚至还运载了摄像头,伞降装置还有飞行计算机
二级火箭摄像头视频
暴走的小君哥
10年6个月前
回复于
喷气推进
内容:最好的就是
二级
提前点火试下超程控制器
折叠翼
jibalaoko
17年0个月前
回复于
喷气推进
内容:或者说你能控制
二级
点火能在一级做功结束后0.5S内点火??
回 31楼(game00over) 的帖子
power_rdx
12年6个月前
回复于
喷气推进
内容:使用单片机控制
二级
发动机点火来实现分离完全能达到你需要的效果,既不会影响轨迹,还能增加一点点推力。
低压CG!新年来一发~~~
胖喵可不胖
9年10个月前
回复于
电磁炮
内容:这样的电路一共试验了4次,都是先从第
二级
烧毁。
怎样实现多级KNDX火箭已燃尽发动机的抛离??
warmonkey
15年11个月前
回复于
喷气推进
内容:因为分离的时候阻力不大,而且结构体的强度余量很大,所以完全可以直接套接在一起,然后靠第
二级
的气流分离
自制火箭发动机
季明涵
8年6个月前
回复于
喷气推进
内容:第一级瞬间爆发(燃烧面积大些你懂得)第
二级
稳定些(面积小些)但每级只用4秒吧(至多)
学校搞研究性学习,想做多级火箭!
小哈_abc
13年5个月前
回复于
喷气推进
内容:C6-4第一级发动机的抛射药无法点燃
二级
火箭。。。
一个循环充电发射电路的构思
stoneway
16年0个月前
回复于
电磁炮
内容:引用第2楼电子战爱好者于2009-02-03 14:38发表的 :纯属YYLZ计算下发射线圈的最大储能就知道所回收的能量还不够第
二级
线圈的热损耗.
回 6楼(028) 的帖子
game00over
12年6个月前
回复于
喷气推进
内容:里面塞降落伞,
二级
开伞的时候直接炸开头锥,释放降落伞
二级火箭摄像头视频
口贝
10年7个月前
回复于
喷气推进
内容:
二级
点火我感觉应该在一级马上要熄灭的时候启动,如果一级熄火后点燃可能导致姿态变化,导致航向的不确定性
五级线圈 理论初速100,失败。
莱特
9年9个月前
回复于
电磁炮
内容:软件补偿方法:第一级光电动作后对第
二级
延时,第
二级
光电动作后对第三级延时,第三级光电动作后对第四级延时。。。。。。
这就是我说过的二个光控开关去控制一个可控硅
west_0830
14年11个月前
发表于
电子技术
内容:这是以弹尾巴去决定弹头进行第
二级
后才能通电的设计我称他为硬性开关 [s:252] 。
发个刚拍的视频用来验证二轨之间是否能造成推动力的
west_0830
14年10个月前
发表于
电子技术
内容:在二高压整流
二级
管的基础上在加上了高频性能较好的二极管。
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