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约找到 1273 条结果,耗时 0.714 秒
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内容:↑这一个随便yy纯粹是利用电感储能给电容充电然后再通过
二级
控制把电容储存的电流连同主电容的电流同时释放使得下一级中的电流更大 (如果可以的话简单几级的话效果很不明显) 这一个我的想法是这样的先设 C,V2)It/( V1-V2) 然后变式t=C( V1-V2)/(V1+V2)I 算出电容的放电时间后假设加速时间为X而X又等于1/2t 这是就可以利用单片机或者某些控制做好关断在X时关断一级线圈同时导通
二级
线圈后级以此类推
生命不一定需要水
拔刀斋
15年7个月前
回复于
极客DIY
内容:人家的两级轻气炮第一级用氮气或者火药,第
二级
用氦气;他第一级用火药,第
二级
用氢气,一旦泄漏等于找炸。
英国一种电磁枪的分解图片
WYS111
16年8个月前
回复于
电磁炮
内容:看结构,我估计弹丸是动态上膛的,弹丸被上膛推杆以一个比较快的速度进入弹膛,同时触发第一触发器驱动一级线圈工作,
二级
、三级同样原理。
关于COILGUN线圈的一点想法…
ter9vul
15年6个月前
回复于
电磁炮
内容:当然也可以在高压放电回路中串入一个小磁环电感做的变压器,取出触发信号用来直接开通或关闭主igbt(这个igbt栅极要加15伏双向稳压
二级
管做保护),是用于关断分组的可控硅的。
[求助]关于磁阻炮结构及选型的若干问题
computer4068
1年9个月前
回复于
电磁炮
内容:“矩阵开关哪里你是这么操作的吗:以顶楼那张multisim的电路图为例,第一级导通q1,q4,第
二级
导通q2,q5,以此类推。
电磁枪的电路图
小小kiss
14年3个月前
回复于
电磁炮
内容:你做过一级加速没有,没有做过的话,就做做吧,不要贪图冒进,如果做过的话,那就不成问题,关键是用什么打开第
二级
,你是想用机械开关呢还是光电的[s:92]你可以翻翻就近的帖子上面有很多启发的,而且你这样问很不好
磁阻旋转加速器
HXKRRRR
8年0个月前
回复于
电磁炮
内容:第一级变压器和第
二级
变压器的升压比相乘,再乘以你的最低输入电压,应该比你的电容耐压稍大,比如说480v,升压比就是40左右。,可以第一级10倍第
二级
4倍。,如果第
二级
不用自耦变压器可以更平均一些,比如说6.5和6。,第
二级
如果用自耦变压器,就用0.7mm的缠上100匝,在中间找个合适的位置(24-25匝)抽头做输入,两端做输出就行了。
电炮新手进来看看,说瞎话叫你们不要再烧硅了,听得我都心疼....
听我说瞎话
12年3个月前
发表于
电磁炮
内容:续流接在线圈的两根线上,续流
二级
管白色标记的是负极,没有标记的是正极!
我个人认为,什么火箭配什么燃烧剂。
心爱好
9年4个月前
回复于
喷气推进
内容:聚氨酯推进剂如民兵—1的第
二级
。
想做二级推进火箭
拔刀斋
14年10个月前
回复于
喷气推进
内容:虎哥凶猛引用第16楼虎哥于2010-04-05 21:27发表的 :楼主还是具体说说想法吧,你是想做
二级
液体发动机火箭吗,打算运载多重的东西上多大的高度和多大的速度?
不要小看浪涌——IGBT的选购
west_0830
14年11个月前
回复于
电磁炮
内容:以大个的可控硅做第一级第
二级
因为起动时弹头要用的时间长电流大。
怎么才能制造低温液化空气?
diy患者
2年10个月前
回复于
极客DIY
内容:前天测了一个朋友扔掉的车载冰箱,也就是那种半导体制冷的,结果测定,内外温差15度,改装的潜力还不小,经过改装估计温差能到20-25度,里面在装个
二级
制冷的半导体片,估计温差能到40度,最后能制造零下140
科创航天局将择机发射万户0型二级火箭
wuncle
13年8个月前
回复于
喷气推进
内容:如图,一
二级
火箭采用嵌套式固定,接触面抹少量高温润滑剂。
自制简单70mm火箭筒一个~图
kknd
15年3个月前
回复于
喷气推进
内容:不过效果一般分离后
二级
总是飞偏。。。
为什么不能给独弹上尾翼?解决独头弹的精度问题![预告贴]
AnthraX
16年0个月前
回复于
极客DIY
内容:引用第6楼shuimi126于2009-01-25 20:25发表的 :十颗弹打一头猪,花15元两颗弹打一头猪,一个弹3元,花六元打完过去一看发现是野猪,国家
二级
保护动物,罚款3000rmbelse打完过去发现是村民的母猪
35-200半金属发动机
zsjzsj
1年7个月前
发表于
喷气推进
科创基金
内容:此次旨在制作出一种35-200mm 200N推力的半金属发动机,为之后的探空火箭、
二级
火箭做准备。
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:目前尚未定论的是
二级
火箭的气动稳定。
菜鸟造火箭
vip2005pig
11年3个月前
回复于
喷气推进
内容:视频前半部份是解剖了一只发动机进行测量,后半部份是异想天开的功能测试,通过测试也终于知道
二级
火箭对俺来说还太遥远太遥远。。。
【提问】多级火箭的分离问题
模型爱好者
9年10个月前
回复于
喷气推进
内容:
二级
火箭分离后,也应该有独立的尾翼修正吧?
自制简单70mm火箭筒一个~图
kknd
15年3个月前
回复于
喷气推进
内容:要不是
二级
有尾翼,多半会翻跟头。。。
晒一晒液机用的石墨喷嘴
极度深寒
10年4个月前
发表于
喷气推进
内容:液机火箭为主项目,由于资金不足基本没完工 但我和队友负责的子项目,
二级
火箭已接近完工,过几周会发详细信息。
分子泵驱动成功,有视频
RodTech
9年2个月前
回复于
机械与工具
内容:俺在贵屿的source表示,他们有懂行的人拆,试机,好的留下,坏的打包塞
二级
货场佬。
1540uf*3三级电磁加速器实验,(不知道多少焦)先放个视屏,教程随后跟上
听我说瞎话
12年10个月前
发表于
电磁炮
内容:点击此处查看视频 电炮具体参数: 线圈:1mm漆包线,第一级长四公分六层,第
二级
长五公分,五层,第三级五点五公分,五层,第四级长七公分,五层!
火箭发射事故,全是真的,非常不和谐!
暗剑
16年3个月前
回复于
喷气推进
内容:就凭它们拼命了想要间谍卫星,结果射一个炸一个,不炸了就
二级
三级点不着火,总算上去了卫星又不争气,坏在天上吗…花大价钱,花大把时间,最后射个废铁砣砣上去…你说它什么好呢?
回 25楼(power_rdx) 的帖子
拔刀斋
13年6个月前
回复于
喷气推进
内容:
二级
火箭的长径比已经大于一级火箭,用不着刻意增加长径比长径比过大,发动机的长度占火箭总长度的比例很小,意味着质量比很低。
【求助】自制小型特斯拉。
小特斯拉圈圈
15年3个月前
回复于
高电压技术
内容:7.5CM-16CM的漆包线0.1-0.5MM高压整流
二级
管,在广州这里一个要多少钱呢。
纸上谈兵,九级破百梦想,很有实用性,欢迎来做小白鼠
22X220
9年3个月前
发表于
电磁炮
内容:可控硅无关断,无
二级
管.
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