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约找到 1273 条结果,耗时 0.219 秒
怎样实现多级KNDX火箭已燃尽发动机的抛离??
普通用户
15年11个月前
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喷气推进
内容:·················本来想说的,但你们越搞越复杂,没什么意义了,
二级
火箭都有舵系,有影响也能修正,这里的火箭只是用来玩的。
回 4楼(彩虹之巅) 的帖子
氢离子
11年11个月前
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喷气推进
内容:愧对大家的期望,这次发射中等直径火箭太冒失了,没试车,就直接发射
二级
航拍火箭,损失惨重,我的摄像机&电池,下次一定试车,并且发视频给大家观看。
万户0型二级火箭初步方案(持续更新)
nighthawk
13年8个月前
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内容:用KNDX作材料加工出两个马蹄状的环形 连接一级和
二级
怎么样这种廉价的燃料可以做小小的粘合 而且燃烧就分开了 还能示踪 直接显示连接处
发射B1D4型二级航拍固体火箭模型
云烟
12年10个月前
回复于
喷气推进
内容:汗颜.我的航拍
二级
还没上呢。
回 27楼(black) 的帖子
膜拜大师
14年0个月前
回复于
电磁炮
内容:这个指的是总体效率吧 仅仅
二级
或者三级过10%轻而易举 而且~~居然在用SCR而不是IGBT~~~~当然可能他的线路参数调整的比较好,否则用SCR会悲剧的
不会单片机的也可以做多急加速电磁枪
潜伏者
15年11个月前
回复于
电磁炮
内容:第三级信号接Q9,第
二级
接信号Q6,第一级接信号Q1然后通过实验调整NE555的输出频率达到协调。
scr紧密连续加速
rb-sama
11年8个月前
回复于
电磁炮
内容:而且一
二级
线圈之间还有耦合。
升压变压器的绕制
samsun185
14年1个月前
回复于
高电压技术
内容:你如果是用半波整流,
二级
管的方向和电压是有关系的,可正反试一下(当然你也可以把绕向改一下)。
怎样实现多级KNDX火箭已燃尽发动机的抛离??
shuimi126
15年11个月前
回复于
喷气推进
内容:如图所示,下面蓝色的是第一级,上面是第
二级
,红色的是雷管雷管抹胶水后把两级头对尾紧密靠在一起,再把雷管竖粘于接缝处,数量你随便,不要少于三个推力越大粘得越多,防止脱落
【干货】磁阻炮杂谈
ChairmanC
7年2个月前
回复于
电磁炮
内容:类似buck/boost电路,电容先对一级电感放电,当电流达到最大值(电感两端电压最小)时,断开一级开关,利用续流二极管使一级电感对
二级
电感(发射线圈)放电,之间还有稳压和滤波的电路。
论坛里面有人做可控速的线圈炮吗?
314152
7年11个月前
回复于
电磁炮
内容:我想是每级之间有测速器,一级过后以速度定
二级
导通时间,不过快了还可以利用反拉(论IGBT的好用)。
国庆节期间撸出来的电磁Q (多图 ,有真相)
zhanglei
12年3个月前
回复于
电磁炮
内容:一级,发射后残留为0;
二级
发射后残留<5V;三四级残留基本在30V左右;估计是线圈和电容匹配不合理,电容过大。
额 早上突然想起来 线圈炮能不能这么整?
五月裂片
11年7个月前
回复于
电磁炮
内容:能量消耗在
二级
线圈上,为弹丸提供的能量减少。
二级火箭初步数据分析
拔刀斋
9年4个月前
回复于
喷气推进
内容:第
二级
由于很复杂也特别巧合的因素判断分离成功。。,一级提前分离之后
二级
的点火关掉了?
回 28楼(marix) 的帖子
乖乖乖
13年3个月前
回复于
极客DIY
内容:这样做成
二级
的,我觉得效率应该更高
测试放电管大电流下的导通压降以及击穿电压
Ball_Lightning
2年4个月前
回复于
电磁炮
内容:刚才我把高压包和自制的高压电容(3nf左右)串联然后(在大电容没电的情况下)并在
二级
间隙两端,打开高压包,小电容被充电,但间隙纹丝不动,没有冒火花。
发一个调试中的改造项目,这只是个开始……
west_0830
15年0个月前
回复于
电磁炮
内容:我的控制部份是是计划以二个光电开关去控制第
二级
的开通。,就是说要让第一个光电开关不给挡着和第二个光电开关给挡着第
二级
线圈才会通电 [s:94] 想是这样想但以我的电学知识可能会做不出来哦。
用coolpro2查看的低压线圈炮导通关断波形等
liunian198
11年3个月前
发表于
电磁炮
内容:顺便说一下最近几天断断续续低压测试的一些结果吧,弹丸5.2mmX31mm 5g(变压器硅钢片上固定用的螺丝切的), 用63v,1000uf,20个并联,加63v10000uf,3个并联:目前测得最大单级效率为5%,
二级
以上还没条件测,以上第一级消耗能量都在12J一下,初速也都在14m/s一下,第
二级
开始消耗能量都在7J一下了。
特斯拉线圈的原理?
科学怪人
17年2个月前
回复于
高电压技术
内容:电路原理:谐波发生器,倍频器;及分布参数电路.属于高频电路.至于为什么\"中间的
二级
线圈为什么是那么长的柱\'形\'?
以前做的电热炮
电容狼
1年3个月前
电波长电文
内容:5.95mmpom球),电极是炮管(负极)和一根3毫米粗的铜导线(正极),充电用的依旧是那个整流桥ps:封面就是正极,上面的玻纤管是密封后膛用的这还是那个炮,但是我往里面添加了一些好van的(二踢脚第
二级
的炸药
简单地说说火箭发动机的基础理论(一)(喷管原理及其热力学计算,不同发动机之间的
wenyanwen
8年8个月前
回复于
喷气推进
内容:既然是压力波的传递速度,那么气体的流动速度或者枪管内子弹的速度(
二级
轻气炮和电热炮速度快的原因)也就不会超过音速。
二级火箭摄像头视频
乖-卡卡
10年6个月前
回复于
喷气推进
内容:建议你应引线,也就是说一级点火同时点燃引线,几秒后,别管一级是否完尽,
二级
引线已经点火了。
科创航天局将择机发射万户0型二级火箭
litianyue
13年8个月前
回复于
喷气推进
内容:设计一个简单,有效的机械锁,用小的舵机驱动,实现机械式的固定,通过在燃料末端埋的细的金属丝是否烧断判断燃料是否烧完,来决定分离与
二级
点火时机
科创航天局将择机发射万户0型二级火箭
拔刀斋
13年8个月前
回复于
喷气推进
内容:把
二级
火箭改为伞降回收火箭,对玉兔2号的借鉴价值更大一些。
发一个单片机驱动多级可控硅的图,顺便问一下大家都是如何驱动的。
yanghaiyi99
11年0个月前
回复于
电磁炮
内容:liunian198 发表于 2013-12-26 10:18 我试过,级数多了很容易误触发或者自动触发,不知什么原因,我用可控硅是40tps12,感觉比70tps16要更容 ...在
二级
管上串个功率电阻消耗反电势应该就不会误触发或者自动触发了吧
发一个单片机驱动多级可控硅的图,顺便问一下大家都是如何驱动的。
yanghaiyi99
11年0个月前
回复于
电磁炮
内容:liunian198 发表于 2013-12-26 10:18 我试过,级数多了很容易误触发或者自动触发,不知什么原因,我用可控硅是40tps12,感觉比70tps16要更容 ...在
二级
管上串个功率电阻消耗反电势应该就不会误触发或者自动触发了吧
火箭多级分离的想法
bkh123
13年8个月前
回复于
喷气推进
内容:回zhaokenb :感谢提问,是用BP引燃的.若怕BP量少点不燃,把
二级
做成浅内孔的,里面填满BP,一定可引燃.请看下图.回孤独兄:强度可能是个问题,但需实验才可知.
猜猜这枚火箭能飞多高
小火龙
9年11个月前
回复于
喷气推进
内容::大小不错……不是
二级
火箭……从头锥做工看不至于用AP系列,……直径……800到1200米吧。
一个二级伞降火箭设计
dennis
13年6个月前
回复于
喷气推进
内容:因为这正是整个
二级
火箭的关键,还有用硝化棉点火容易将火箭炸毁,LZ是怎么解决这些问题的?
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