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约找到 1273 条结果,耗时 0.31 秒
试做紧密加速
hk45_0
10年7个月前
回复于
电磁炮
内容:一
二级
线圈是紧挨在一起的,就用胶带绑在一起了,外面看不出来。,那个二极管是一
二级
充电隔离用的。
全波线圈炮
MicroSound
9年7个月前
回复于
电磁炮
内容:引用 lovevirus:发一个国外网友设计的一个类似的电路图,这个电路第
二级
是自动触发的 实物图如下 发射结果 可以看到第一级和第
二级
公用一个电容,如果两级算下来效率高达30% 引用地址如下
关于反拉问题————即使有关断还是无法避免
轻音与二次元
10年0个月前
回复于
电磁炮
内容:若我想实现紧密加速,也就是说第
二级
的起始位置在第一级线圈中点左右,导通第
二级
时子弹还在第一级线圈的后半段运动,这样是否会因为涡流之类的杂七杂八的问题影响效率?
三级加速器缓慢更新,先上设计图……
小小小小鸟
11年5个月前
回复于
电磁炮
内容:参数如下: 三级加速,光电开关导通可控硅 可控硅:70tps12 线圈:都为1.0漆包线 一级:长3cm绕八层
二级
,:长3cm绕七层 三级:长3.2cm绕七层 电容参数: 一级450v470μf*4
二级
450v470μf
二级火箭最佳尾翼布局方案是什么?
彩虹之巅
11年11个月前
回复于
喷气推进
内容:个人感觉目前业余
二级
无控火箭,一级的尾翼一定要比
二级
大,这样压心才好控制。
万户0型二级火箭初步方案(持续更新)
虎哥
13年8个月前
回复于
喷气推进
内容:目前打算采用管嵌套形式,
二级
火箭尾整流罩的作用类似活塞,紧紧插入一级火箭顶部。,当
二级
火箭点火后,压强可以升至10MPa,分离力达1000N左右,可以将
二级
火箭弹出,航迹偏移靠套管加工精度控制。
我的二级电磁炮,以后继续加长,终于可以上传图片啦
莱特
9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 这是有可能的
回 10楼(原子裂变) 的帖子
fanwen6607
11年11个月前
回复于
电磁炮
内容:电磁铁不如这样效率高, 春节期间我说过了,由于用的可控硅是TM150SA-6的(松下焊机拆机件),在400v以上击发一次就击穿了,而且还误触发,光触发第
二级
也触发不了,所以被搁置了,准备买70tps12,可控硅,电路得重新设计,第
二级
用双光电
回 49楼(black) 的帖子
牧狼
12年5个月前
回复于
电磁炮
内容:需要的话 我可以提供给你 100000V / 5KW 电源的设计图 以前做过成品 专门给国内某水电站涡轮机组 测试耐压 用的大概的原理是 一级 预稳压
二级
高压逆变 三级 高压倍压, 一
二级
小闭环 一三级 大闭环 采用 PID 闭环稳态 控制 谐振软开关
点火头的新想法
ltl
13年7个月前
回复于
喷气推进
内容:这样的点火头很合适分离嘛·····
二级
火箭用····
二级
分离用这样的猥琐式点火头稳定性不大给力……
怎么做多级火箭
zzlzhang
15年10个月前
回复于
喷气推进
内容:先作多几次第一级先吧...现在很少人做到第
二级
...分离实际上很容易出错...我试过2次2级,第一次第一级烧完,一点第
二级
爆了...第二次是空中转向...外行还以为高科技...
火箭两级分离结构及原理
binghun
14年7个月前
回复于
喷气推进
内容:引用第18楼power_rdx于2010-07-05 22:40发表的 :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)
失败的二级火箭,成功的“标枪”
chaozhou
12年8个月前
回复于
喷气推进
内容:一
二级
间点火不该延时这么久,把一级的延时药去掉试试(直接用一级的推进药反向喷火点燃第
二级
,点火的连接管可以在内壁涂上黑药(粉药加淀粉糊),窜火点燃。
请问电点火装置怎么塞进火箭里啊??
jibalaoko
17年2个月前
回复于
喷气推进
内容:``````````其实想要做
二级
火箭就必须在箭体内部加上点火系统``````` 一级可以在地面点火```````而
二级
必须在天上点`````````` 所以轻质量的点火系统是必须,要做的就是点火管了`````虽然可以单用电珠点火头点着KN``````` 但是为了达到100%的发火率```还是给它加上去``` 毕竟在天上熄火```(
二级
不着
火箭两级分离结构及原理
startwood
14年7个月前
回复于
喷气推进
内容:引用第18楼power_rdx于2010-07-05 22:40发表的 :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)点火时很容易导致轨道变化
二级固体火箭
乖老汉
12年11个月前
回复于
喷气推进
内容:
二级
目前最大的问题我认为是在没有飞控的基础上如何保持分离和二次点火后的方向性问题,解决的难度非常之大。,我还是坚持认为在飞控没有解决的前提下,
二级
和液机都有些蛋疼,甚至包括工作时间超10秒的固机都很难办
看了这么久帖子没憋住。发个提醒贴-------如何实现开伞。
乖-卡卡
11年3个月前
发表于
喷气推进
内容:其实还有一种,可以作为高速火箭使用,尤其是开伞或者是
二级
点火用。,无论你是用
二级
点火,还是用开伞,空速管是你不二的选择。
信息汇总:长征5号遥二火箭发射出现异常
拔刀斋
7年5个月前
回复于
喷气推进
内容:挺奇怪的,如果
二级
第一次点火全程工作成功、二次点火失败的话,应该会留在低轨道上,算部分失败。,既然直接报失败,要么
二级
第一次点火之后故障停机要么爆了,其实现在的发动机控制系统一般会在彻底爆掉之前关机。,引用 虎哥:网上各种流言一级推迟分离但最终还是分离了、
二级
点火之后故障?
野兔1号固体火箭发动机
Zhangrky
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 你去外面看看,大爷发了多少贴,精品都顶没了,真痛心
回+9楼(dbndbn6279)+的帖子
jxs
12年5个月前
回复于
高电压技术
内容:现在我把第一级的ontime和bps开到最大,第
二级
的bps开到最小,调节第
二级
ontime,调节到适合大小,弧很长。。。
如何用啪啪啪做TC【原创】
喵小酱
13年7个月前
回复于
高电压技术
内容: - -
二级
, - ------------------------------------------------------
二级
接地应该算吧
线圈是用来充磁的
west_0830
14年10个月前
回复于
电磁炮
内容:
二级
以上和没关断不行第
二级
经过太快极大可能成为负做用力 [s:245] 但那个IGBT老烧的不敢在用了 [s:245]
一种能量回收方案
ssungirl
9年8个月前
回复于
电磁炮
内容:引用 lovevirus:添加了二极管就不能向后回收电流了 [s::L],好吧,比方说,第
二级
mos管打开后,再关断,线圈电流会继续往前流,通过第三级线圈和mos管,然后回到第
二级
的电容,给电容反向充电
试做紧密加速
hk45_0
10年7个月前
发表于
电磁炮
内容:线圈参数:线径0.8;第一级10层,2CM,第
二级
9层,2CM。,
二级
用的三个TYN840并联。
2级加速试验,以及一些参数.能穿5.6个易拉罐
443702874
9年8个月前
发表于
电磁炮
内容:发现改观特多,2级能轻松穿5.6个易拉罐 点击此处查看视频 线圈尺度是 0.8mm漆包线 每层42匝 共7层 线圈长4.2CM,手绕不是很紧凑 电容第一级 450V1460uf 第
二级
, 450V1150uf 第一级跟第
二级
中心距离6.6CM 子弹,是40mm长 直径6mm 重6.65g 还有个穿6个易拉罐视频在这视频 {特地提高了枪管高度,底层已经打烂,}
土农牌双级RO膜处理系统组成②
hamdad
9年4个月前
回复于
物理
内容:9、第
二级
RO元件,两支陶氏TW30-1812-100HR元件并联,进水口并联,接入第一级RO膜产水,产水口并联,接高压开关,浓水口并联,接浓水调节阀,将第
二级
RO浓水,返回高压泵进水口(双级RO系统中,,第
二级
RO浓水的水质,仍然比原水好),提高系统回收率。,13、商品科瑞达CCT3320在线电导率仪,配套0.1电极常数316L金属电极,在线监测
二级
RO输出产水电导率。,底盘右侧,分别设置2A双刀空气自动开关,RO主控模块工作开关,手动强制冲洗开关,AC220V电源进线,铜银电解器电极连接线,紫外线灯镇流器模块220V电源线,输出龙头行程开关连接线,原水进水管,浓水排放管,
二级
二级固体火箭
guohc
12年11个月前
回复于
喷气推进
内容:无控
二级
多了去了水火箭都可以
二级
了,虽本身然速度不快套筒式分离,就是浪费了点,不会怎么偏的为什么不做一个呢,一切成功与否都是在纸上的,争来争去有意思吗怕失败吗
关于万户火箭的二级尾翼和分离的建议
power_rdx
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
寒假第一试~又制造超级推力了
拔刀斋
15年0个月前
回复于
喷气推进
内容:第一级不用抛,当第
二级
的补燃室用昨天做了一次空气引射补燃试验,用RNX PPR发动机(喷口出口直径4mm)驱动引射涵道(直径8mm长50mm)和补燃室结果比较杯具,纸卷的引射涵道不结实,加上RNX燃烧产物中的残渣太多,,结果引射涵道堵了,从进气孔乱喷一气引用第2楼power_rdx于2010-01-29 22:14发表的 :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,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
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