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约找到 1273 条结果,耗时 0.269 秒
二级探空火箭的制作&发射失败问题分析(科创基金项目)
沉默彩虹
1个月22天前
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内容:说句题外话:真羡慕你能造这么大的
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火箭。
科创航天局将择机发射万户0型二级火箭
juggernaut
13年8个月前
回复于
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内容: 我的想法 还不成熟 不知大家考虑过没有把
二级
尾翼折叠在
二级
喷管周围的空间里....图上灰色的弧形和矩形代表
二级
发动机的喷管....浅绿色位置为折叠状态的尾翼....下面蓝色的弧形和褐色矩形部分是参考制退器设计的一个连接件,内部填充一定量的抛射药下部用薄片和一级燃料隔开(因为不清楚火箭采用是星型内孔还是无内孔装药 传火装置未标注 根据具体情况选择)当一级发动机在适当时机点燃薄片内药剂后 药剂产生的气体利用制退器快速分散填充满整个白色空间把
二级
发动机退离连接件,,同时移除对折叠尾翼的束缚 如果出现
二级
发动机提前工作则气体冲击蓝色弧形部分强迫一级发动机脱落....目前只是有这个思路...还有很多不足的地方....整个结构材料考虑使用酚醛塑料一类的材料,耐烧蚀
利用3D打印材料热塑性实现一二级分离
小叮当0312
4个月25天前
回复于
喷气推进
极客DIY
内容:我看国外好多都用的直插法,用
二级
发动机产生的气体推开一级火箭XXXXXXXXXXXXXXXX/H89Msbs7-JA?
嗯,二级加速的电磁枪(永远是试验品)
10班陈大葱22号
15年7个月前
回复于
电磁炮
内容:刚才调整了
二级
加速电容并把
二级
加速电容电压提到600V,现在速度到43.6m/s现在有个很严重的问题,大概是因为电磁干扰,在充电的时候线圈经常被接通,实验板上数码管显示乱码,不知怎么回事
回 2楼(cuiyysw251) 的帖子
氢离子
11年11个月前
回复于
喷气推进
内容:是啊,三个
二级
火箭的堵头都爆了,一样的加工工艺,为什么偏偏
二级
火箭爆一级堵头,而一级火箭从来没爆过堵头,
一个线圈炮想法~
神仙
14年7个月前
回复于
电磁炮
内容:这只是示意图~~ 其实并不指望
二级
轨道提供多大的加速度只是为了卸掉线圈上的电量~ 多多少少对子弹的速度总会起点作用吧~ 这样从
二级
加速开始 就不需要控制电路了~~
科创航天局将择机发射万户0型二级火箭
桓桓桓
12年6个月前
回复于
喷气推进
内容:建议连接处不用焊,一
二级
用透明胶粘上,导火索引火,
二级
启动烧毁透明胶分离。
求助,关于单片机控制scr
liunian198
11年2个月前
回复于
电磁炮
内容:现在问题是解决了,但我还是找不出原因, 第一级线圈10层,1.8cm;第
二级
线圈6层,1.8cm。,第一级第
二级
导通的最佳延迟大概在1.6ms,当我把这个延迟调到1.7ms以上,上面的问题 就不会出现了,但是第一第
二级
却没有调出最佳速度。
【H3C小组】我们火箭的自动控制、航拍及定位回收航电设备【依然有图】
game00over
12年6个月前
发表于
喷气推进
内容:在7月13日发了一贴,是编写的第一版Arduino单片机程序,用于控制整个火箭的航拍启动、航拍关闭、
二级
分离、
二级
点火、
二级
开伞、以及姿态的回传和GPS数据回传。,地址XXXXXXXXXXXXXXXXXXXXXXXX/t/47933但经7月14日在古人家召开的H3C二次会议,发现第一版的程序有些BUG,
二级
分离和点火时同一个继电器控制,若开始分离,则
二级
只能点火。,第一版程序中对此状况没有考虑到,一旦炸偏就只能继续偏离点火,有可能出现头冲下时
二级
点火之类的情况。,三轴加速度传感器主要用于监测Z轴加速度,判断一
二级
的推力情况,为自动控制分离和点火以及开伞提供数值依据。
最近bing怎么了?
荷城工业_Nitload_Industry
2年11个月前
回复于
软件综合
内容:还好吧,我这里
二级
域名还是能用的。
二级火箭引擎的思路
zzlzhang
14年7个月前
回复于
喷气推进
内容:告诉你一个很悲剧的问题...
二级
分离真的会偏向很厉害的...建议你采用我以前的办法尾翼打斜N多1
二级
间加导管分离时炸开.
寒假第一试~又制造超级推力了
123123123
14年3个月前
回复于
喷气推进
内容:我有第一级烧完第
二级
立即点火的办法,正在试验中,如果可行我会用在我的
二级
火箭上,先不说原理,其实和生日蜡烛差不多,大家猜猜,我告诉过答案的请不要说
自制简单70mm火箭筒一个~图
20老黑
15年3个月前
回复于
喷气推进
内容:一级上面用热缩管连个塑料管插到
二级
尾部里面有个小分离药包。。。,几次试验的结果都是药包和
二级
同时点燃,直接就窜了,还是不解 [s:246] [s:246] [s:246]
I型想关图纸
虎哥
13年4个月前
回复于
喷气推进
内容:
二级
尾翼那张图,发动机是不是太靠前了一点,推力都被壳体消耗了。,建议把发动机喷管移动到和
二级
尾部一个平面。
内燃炮用的是气体=气体炮所以发在这里——Fly
hhm
12年6个月前
回复于
电磁炮
内容:你发的内燃炮感觉越来越强大了[s:230]那
二级
轻气炮样子貌似很蛋疼[s:178]不过要小心点
二级
比一级的难度大很多同时也很危险建议你要小心啊[s:222]不要炸伤自己[s:227]
我的二级电磁炮,以后继续加长,终于可以上传图片啦
zhang1209
8年11个月前
回复于
电磁炮
内容:引用 935934819:我的三级,第一级三个7016并联,两组3000uf450v电容串联,第
二级
两个7016并联,两个1000uf450v电容串联,第三级跟第
二级
配置一样,初速破百,打8mm钢珠 根本就是瞎想
科创航天局将择机发射万户0型二级火箭
ccvvw
12年9个月前
回复于
喷气推进
内容:作为一个刚来到科创的菜鸟 我也曾经考虑过关于
二级
火箭技术的一些问题现提出如下建议;一。,在一级与
二级
之间卷一层铝皮 铝皮与第一层粘在一起 与第二层不粘连 两极之间充入一定火药确保分离成功 优点 工艺简单 缺点 铝皮占用了
二级
的下部 不便于耳机安装尾翼二。,导引法属于第一种的改进 在第一级上固定导引杆4根
二级
上粘上与导引杆外径相同的环相互扣上 其余与一相同优点 质轻 占用空间小 腾出了尾翼的空间 缺点 点火成功率可能比一低
最近bing怎么了?
全桥整流
2年11个月前
回复于
软件综合
内容:ms
二级
域名也挂了,只有国际版可以用
火箭两级分离结构及原理
power_rdx
14年7个月前
回复于
喷气推进
内容:至于这么麻烦么,直接靠
二级
火箭的点火药将一级喷掉不就OK了还顺便给
二级
点火,同时还能在分离的瞬间加大推力(参考动量守恒)
野兔1号固体火箭发动机
test100
9年4个月前
回复于
喷气推进
内容:头锥怎么这么大个台阶,
二级
火箭?,如果不是
二级
火箭建议不要弄鸭翼
寒假第一试~又制造超级推力了
power_rdx
15年0个月前
回复于
喷气推进
内容:你这个烧得可真够快的啊,这种高速发动机很适合作为
二级
火箭的一级推进,你可以在这个发动机的基础上再研发推力持续较长的
二级
发动机,并将两者结合做成自动点火自动抛壳的结构。,该结构的难点在于如何能快速衔接两个发动机的点火,我曾经试验过一次,但是一级
二级
点火用了2秒,结果火箭跑偏直接扎地上了
手搓发动机喷口100N发动机
Sugars
3年7个月前
回复于
喷气推进
内容:关于
二级
火箭我曾经也有一个设想那个一级是之前滴胶做的rnx因为巨难点燃我用的是电热丝然后过程中不小心按到遥控触发了
二级
新人驾到
小小小小鸟
12年3个月前
发表于
电磁炮
内容:最近再做一个2级加速电磁炮,但是不知道用什么办法控制第
二级
触发,还望前辈提出宝贝意见!
找二种光电开关的资料..网上找了很久也没找到
west_0830
15年0个月前
回复于
电子技术
内容:准备做多级加速的的发射器.初级用300多伏1600UF闪光电容.先试一个.之后在串起来二个.之后在试
二级
的后级加断同时起动前级加速度让弹处理
二级
点才起动等..不是很多.都在头脑里把电路组装好了.
一个二级火箭点火分离的方式~~
空壳、
12年2个月前
回复于
喷气推进
内容:点火后可能会发生这种情况一级发动机燃料工作BP被喷向
二级
发动机并点燃弹丸弹丸点燃
二级
火箭(瞬时)所以一级发动机还没工作完就被分离了
全国业余无线电台管理工作座谈会济南会议(2011年12月)概况
nmjnsjj
12年8个月前
发表于
无线电
内容:分为A、B、C三个级别,其中A级变成了最低级别(原来可是最高的),相当于原来的四级;B级居中,相当于原来的三级和
二级
,C级最高,相当于原来的A级。,B级可以在短波、超短波等所有业余频率上操作,包括原来只有
二级
和一级才能操作的频率,且功率可在100瓦(按原来的规定,三级操作证的功率只有25W,
二级
才能到100W).三、根据对BAIEO会议介绍的理解,
多级火箭电子延时点火系统YY中--功能征集中
燈爺
13年7个月前
回复于
喷气推进
内容:呐,我只想,那个
二级
分离的时机究竟是什么时机分离最好咧?,因为点火了以后还是有一段时间延迟的,等
二级
燃烧室的压强足够大,喷气速度足够快的时候,
二级
才有推力产生。
智能型多级加速电磁枪原理(欢迎讨论)
west_0830
14年11个月前
回复于
电磁炮
内容:我的光电在子弹就是蓝色那部位一个.A点一样.这二部份控制第
二级
的通电.第一级手动.因为光电开关没什么用.手动的在加光电不起做用...当一天子弹进行第一线圈中间时断电..这样子弹会进行第二线圈.这时第一级就是蓝色的光电没给挡着,.而
二级
前面的给挡着.这时合适的弹长度刚好进行
二级
中并给通电...就这样一级一级的加速.我的不是单片机,,没法调 [s:94] .还是理论.都忙着玩游戏没心情去做 [s:245]
探讨发射小卫星的可行性及路线图问题
xj198398xujing
13年9个月前
回复于
喷气推进
内容:另外还有比较折中的方法就是用蜗轮发动机做为一级把
二级
固体火箭发动机送到10KM以上一级用定位系统回收
二级
抛弃这样可以节约很多发射成本
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