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关于高度较大的可回收回收自制液体火箭发动机工作方案假设
vortex工作室
1年11个月前
发表于
航天技术
内容:我们提出将火箭发动机的工作过程分为九个阶段火箭发动机处于正常工作状态,加速度随发动机质量减小而少量增加,速度呈上升趋势火箭发动机工作结束,依靠惯性上升,加速度为0,速度呈下降趋势火箭发动机加速度为0,速度接近于0,此时,我们的火箭
二级
分离固体发动机点火
二级火箭分离方案(有图)。。。求指正。。。
乖老汉
13年5个月前
回复于
喷气推进
内容:个人感觉,没有控做基础,什么液机啊,
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啊都是浮云。,楼主的一级夹套护住
二级
,结实妥靠没的说,无效负载怕大了吧。
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ビリビリ女
14年2个月前
回复于
喷气推进
内容:我只是在想,以目前大家所做的固体火箭而言,这样发动机会不会太重了,
二级
可能没达到
二级
的作用,依然是一级的效率。
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橘喵Meow
1年10个月前
回复于
喷气推进
内容:导弹上的一级就是固体火箭发动机,在一级燃料耗尽后再启动
二级
的冲压式发动机
【原创】一二级火箭分离接头制作
普通用户
15年9个月前
回复于
喷气推进
内容:对于那些怕偏航的朋友,我问一下,有无舵的
二级
火箭没?
二级火箭摄像头视频
enterprise
10年6个月前
回复于
喷气推进
内容:宇向星空 发表于 2014-7-8 12:42 刚才注意到开伞和
二级
点火都是时序控制的,请问下加速度计和气压计是怎么应用的呢?,气压计没用过,不过加速度计还是可以的,只要判断加速度值就行了,比如一级燃尽或是快要燃尽时加速度会变小,检测加速度小于一定值时点燃
二级
就行了,如果自己做发动机的话可以在铸造药柱时放一段漆包线进去,就和熔断器似的
【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】
wall哥
12年6个月前
回复于
喷气推进
内容:箭体分离做好了,下一步看看能不能做
二级
点火。
发菜鸟的线圈
hk45_0
14年5个月前
回复于
电磁炮
内容:问一下,我这还有点漆包线,是在原有基础上再缠好还是改
二级
加速好!
二级火箭初步数据分析
20!Dopaminor
9年4个月前
回复于
喷气推进
内容:直接
二级
航电控制一级是否可行?
请问电点火装置怎么塞进火箭里啊??
power_rdx
17年2个月前
回复于
喷气推进
内容:曾经试验过导火索点燃点火管喷出
二级
,但是点火延时长达3秒....结果第2级火箭在地上点火
一个初学者的想法 大家给指点一下 谢谢
1989sean
15年6个月前
回复于
喷气推进
内容:
二级
火箭,我认为分离装置好做,但是很难设计整体结构.如果设计不好,火箭会翻跟头的.
回 楼主(hq951224) 的帖子
彩虹之巅
11年11个月前
回复于
喷气推进
内容:那等一等吧,不行的话换成小推力发动机,先做做
二级
方面的试验,也可以用延时的方法来开伞。
测试一下二级火箭的抛壳装置。。
虎哥
17年1个月前
回复于
喷气推进
内容:小心第
二级
的发射方向受到影响,发射地一定要远离居民区。
火箭多级分离的想法
zhaokenb
13年8个月前
回复于
喷气推进
内容:LZ还没有解决另外一个问题,就是若按LZ这样设计的话,第
二级
如何自动点火?
电磁加速中应用磁环的研究
vcasm
11年6个月前
回复于
电磁炮
内容:我的设想也是这样,不过试验下来感觉不在中心的位置,很难琢磨,调整开启的延时量非常难调,因为无差一点点就会有很大衰减我的电路中第
二级
的延时,曾经一次盲目用了两毫秒延时 使用的写法如下:delayMs(2),;效果出奇的棒,我准备微调的适合替换了这个函数,改成:delay1ms();delay1ms();加速突然就失去了效果,这才意识到后级电磁加速对延时的时间精确度要求很高,
二级
都这样,后面各级调整难度可想而知
SSTC固态全桥特斯拉线圈( 增加了最新视频录像)
拔刀斋
15年0个月前
回复于
高电压技术
内容:MOS上还要再正向串一个,彻底阻止MOS的体
二级
管导通引用第97楼nhlijiaming于2010-02-06 10:33发表的 :也就是把mos的保护二极管用外部的快恢复二极管代替?
[分享]我的火箭发射视频
power_rdx
17年10个月前
发表于
喷气推进
内容:用一体式2级火箭,一级空心(5克),
二级
实心(2克),自动点火,点火间隔0.5秒。
刚做的几款电磁枪子弹
dante
15年8个月前
回复于
电磁炮
内容:你的一级和
二级
分别用了多少个电容?
科创航天局将择机发射万户0型二级火箭
123123123
13年8个月前
回复于
喷气推进
内容:今天和qq154884863讨论了好几个小时,关于
二级
火箭的分离以及尾翼一会他把讨论的结果发上来~~~~~
对二级火箭分离点火使用惯性开关的一次尝试
虎哥
1年1个月前
回复于
喷气推进
内容:虽然这个有点寨,但是它竟然是一次成功的
二级
受控分离和点火,所以还是应该精选一下。
[提问]某宝功率惊人的高压包
1176764177
3年5个月前
回复于
高电压技术
内容:一般是一个zvs一级升压到几百V或者几KV,然后通过火花间隙驱动第
二级
变压器,中间因为有储能电容所以脉冲功率很大
[ASR] 军用火箭发动机展示
gf3022417
9年10个月前
回复于
喷气推进
内容:一次性,短时间,瞬间提速,目的为所搭载的的飞行器瞬间提速后脱落,以便转换飞行器主发动机
二级
推力。
我打算做个kc有史以来最大的金属发动机,大家给点意建
trample
15年9个月前
回复于
喷气推进
内容:引用第5楼phpskycn于2009-05-07 18:45发表的 :要双基推进剂,最好能做成
二级
的,而且不要太长了。
我有点怀疑我的的计算结果,求大神鉴定
HXKRRRR
8年0个月前
发表于
喷气推进
内容:
二级
碳纤维抗拉强度3000MPa,就是3000000000N/m^2=300000N/cm^2。
13009单管自激推高压包(新人激活帖)
Misaka_14920
6年10个月前
发表于
高电压技术
内容:不过对这个电路唯一不解的是
二级
管的作用,有人知道是什么作用吗?
终于完成一半了
1000
15年10个月前
发表于
电磁炮
内容:[wmv=314,256,0]XXXXXXXXXXXXXXXXXXXXXXX/XXXXXXXXXp/sid/XODQyNjAzNjg=/v.swf[/wmv]我的电磁枪已经初步完成,
二级
加速,光电检测,
倍压整流点的
jrcsh
15年10个月前
发表于
电磁炮
内容:基本原理就是 利用交流并联给电容冲电 ,在用
二级
管的单向特性 直流输出时 电容是串联输出以电容的电压 垒加来升压 用的电容是 3000V 471 电容 来吧高人 指导下 有哪些地方不对的
三级线圈触发炮
时代系
1年9个月前
回复于
电磁炮
内容:(第三级触发波形)(一
二级
触发波形,一级是开关触发)(触发波形中总有一条细线,电压很高)(三级触发和电容放电波形)(二三级可控硅波形)(仿真线圈触发波形)
[数据V1.0]10级1.15J高射速,平均效率百分之3.45
轻音与二次元
10年0个月前
回复于
电磁炮
内容:资料显示,IRFB3026的承受能力可以承受连续射击(第
二级
处脉宽很大。
有没有人试过发射铝管?
zhanglei
9年9个月前
回复于
电磁炮
内容:第一级用空开,后面的用光电感应,推动电磁铁去推动第
二级
空开,就可以做多级的了。
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