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约找到 1273 条结果,耗时 0.23 秒
新手制作4级电磁炮的疑惑
2SC1970
6年11个月前
回复于
电磁炮
内容:但是触发第
二级
加速时的位置不同,触发时的速度也会不同,效果肯定不会一样啊!
四级加速电磁手枪精心试制中
rye55357991
11年2个月前
回复于
电磁炮
内容:梦迷星宇 发表于 2013-10-26 00:52 四级线圈的线径是一级比一级粗的,第一级是0.7、第
二级
是0.8、第三第四级是0.9的,第四级自我感觉有些长 ...这样做可以,我也准备这样做的,线圈长度我觉得应该一样才好
活不下去了,绕线机回来了,依然无法绕好线
jeilly6100
11年4个月前
回复于
电磁炮
内容:6.03*8.5,440mm长的黄铜管.弹长30mm,弹径5.98,电工纯铁材质,弹重7.2克 这成绩出呼意外了.第一级,18-20米的速度,第
二级
,38-41米的速度,(放的位置有那么毫米级的偏差,导致最终结果都不一样,本来第一级的时候,还拿让家里小侄子按开关玩,第
二级
就不敢了,动能呈暴发性的增长.
自制电火花加工设备
sfwjsxg
12年0个月前
回复于
机械与工具
内容:哈哈,看到这个帖子了~半年前也自己diy过一个,用的是圆形铜管当电极,5mm直径,是给自己做的刀上开孔的,电源用的是个电动车电源,70v左右,也是用
二级
螺丝慢慢手动给进,用一个150微法的电容,很慢。。
西奥多·莱曼传(中文翻译版)(兼做《狂飙》文集整理贴)
杂工1544
2年5个月前
发表于
物理
历史与考古
严肃内容: 专业科普
内容:第二种方法是通过比较已知的较长波长光的
二级
谱线与待测的一级谱线。
我打算做个kc有史以来最大的金属发动机,大家给点意建
phpskycn
15年9个月前
回复于
喷气推进
内容:我的建议是用KNSU压实点做堵头,这样火会传到第
二级
,把第一级扔了。
开关时延的调整
流云
16年10个月前
回复于
电磁炮
内容:要很好的控制时延可通过以下方法实现,如下图:细致的调整控制开关与
二级
线圈之间的距离即可,可通电后逐步调整距离通过子弹的破坏力来判断是否到达最佳位置。
马年神器 五级加速器
至死方休
10年11个月前
回复于
电磁炮
内容::25 真不错,线圈参数能介绍一下吗线圈随便绕的 五级加速器 漆包线0.5MM 枪管1CM 可控硅40TPS08 子弹0.8CM钢珠 漆包线匝数和层数 第一级:20匝 10层 第
二级
节能灯小常识
虎哥
16年0个月前
回复于
电气电工
内容:楼主的文章应该是七八年前的了吧,我记得五年前飞利浦11还是12W的灯,
二级
批发价大概是13.5元。
线圈炮二级线圈光电开关打孔位置如何确定
Ma3.02的守望
3年8个月前
回复于
电磁炮
内容:倒是第
二级
的线圈、光电间距需要考虑,和电路的时间常数、第一级出速有关。
二级加速,及时更新进度
ftpwww
13年11个月前
回复于
电磁炮
内容:其实二次加速不难,给第
二级
线圈延时非常短的时间,如0.01秒通电(实验一下)。
有个想法=固体火箭+电磁炮
叛逆·大白鼠
15年3个月前
回复于
电磁炮
内容:大概意思,但是主动力是燃气炮,大同小异吧··
二级
加速,先是燃气炮的炮弹速度,然后在炮弹速度基础上火箭点燃,理想的当然是火箭速度。。
想做二级推进火箭
导弹迷
14年10个月前
回复于
喷气推进
内容:搞
二级
火箭难点是第一,一级要有足够的推力保持较快的起飞速度。
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:比如箭体塑料,套管金属,两种材料受热膨胀系数不同,使套管不再紧紧箍在箭体上,再被
二级
高温压气喷离。
不间断加速磁阻线圈炮的设计
猎鹰
9年11个月前
回复于
电磁炮
内容:引用 秋青峰:抛硬币已经见太多了,感觉没有使用价值,真正做出柱状弹的几乎没有,更不要说多级了 差不多两年前我做过一个柱状的感应式,本来是准备4级的,但是发现加工精度不够,容易把第
二级
打坏。
5V AVR单片机驱动继电器的电流
adeng2002
15年1个月前
回复于
电子技术
内容:线圈上并个续流
二级
管。
DIY X光机
柳画眉
5年6个月前
回复于
核技术与核仪器
内容:因为你从12v升压10倍到第
二级
电压比如120v吧,利用线圈的比来计算只是一个理想数值。
32mmX200mm KNSU发动机试车(终于出环了)
彩虹之巅
12年1个月前
发表于
喷气推进
内容:发动机基本成熟了,下面开始搞
二级
分离。
低压CG!新年来一发~~~
秋青峰
9年10个月前
回复于
电磁炮
内容:引用 wjd_213:第一级1.1欧,第
二级
和第三级0.85欧左右吧。
柱状弹丸重接炮炮管和磁场回收的问题,以及对异形弹丸的想法
ApocalypseTANK
9年6个月前
回复于
电磁炮
内容:第
二级
都坏了!
回 17楼(飞面教徒) 的帖子
game00over
12年6个月前
回复于
喷气推进
内容:在地面产生扰动对于比在空中高速飞行时产生扰动更加容易,因为火箭在空中高速飞行,而且
二级
火箭又有方向翼。
手搓发动机喷口100N发动机
卡卡西
3年7个月前
回复于
喷气推进
内容:昨天才试了塑机,看会不会炸机,结果压强太人堵头开了个洞,机身也倒了,在楼顶到处飞,我甚至认为我搞了个窜天猴,有个问题是某K没渠道,网购一瓶200大洋贵死.楼主加油,下次搞
二级
火箭.
回 31楼(zhichao24) 的帖子
拔刀斋
12年8个月前
回复于
喷气推进
内容:理论上说,这个方法更适合作为第
二级
点火的控制信号。
回 1楼(wesker) 的帖子
彩虹之巅
12年1个月前
回复于
喷气推进
内容:也考虑过,但是实现起来对于没有一定火工品知识的朋友来说不如用现成的快引来的简单,而且用快引也很可靠,用的时候在
二级
那头打个结塞进去就行了,所以在试验时未用延期管。
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
猎鹰
8年8个月前
回复于
喷气推进
内容:引用 wenyanwen: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。
发光二极管当光电池用
mass_lynnxy
18年4个月前
回复于
电子技术
内容:既然是发光
二级
管,那光伏效应肯定是不够理想的,只能做测量光照度,而且线性度也不大好。
看了这么久帖子没憋住。发个提醒贴-------如何实现开伞。
彩虹之巅
11年3个月前
回复于
喷气推进
内容:本帖最后由 彩虹之巅 于 2013-10-21 23:42 编辑 开伞的话气压也是可以用的,
二级
的话我觉得最好是在一级的堵头上加个压力计测一级内压最好。
NE5532做功放(总结帖)
Aromatisation
5年4个月前
发表于
极客DIY
电子技术
内容:第
二级
:Av=3,使用20片NE5532,每片中含有2个独立的运放,每个运放均为Av=3的电压放大电路,输入输出并联。
回 29楼(谈笑风生) 的帖子
jrcsh
12年0个月前
回复于
喷气推进
内容:先把一级的~~~多作几次作好把,看你这个数据~~~~
二级
估计要有控制机构来把方向控制好。
一个失败的电磁炮
xa87
2年5个月前
回复于
电磁炮
内容:你的控制需要可关断,比如用一级MOS管做总开关,其它的用可控硅开关当第一级可控硅导通后,关断时用总MOS管,然后第
二级
感应到后先开MOS叫开关,再关可控硅这样也能省成本 ,只需要一个MOS,其它均可控硅
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