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约找到 1273 条结果,耗时 0.27 秒
火箭的级间分离技术
warmonkey
15年9个月前
回复于
喷气推进
内容:对于小火箭,可以靠第
二级
喷出的气体,使第一级减速,并点燃分离机构的导火索
想做二级推进火箭
power_rdx
14年10个月前
回复于
喷气推进
内容:若干年前做了一个,结果
二级
点火延迟太长杯具了。
时序控制磁阻炮的速度负反馈特性
三水合番
4年5个月前
回复于
电磁炮
内容:极端的例子是,假如两级的间隔无穷远,那只要存在不无穷小的误差,就会导致在后一级导通的时候,弹丸离它无穷远😂第
二级
完全起不到加速或减速作用,相当于很小(但不无穷小的)误差被放大到了“第
二级
的加速能力”那么大
流年不利,二级火箭分离试验失败,金属机爆飞不知去向
rb-sama
12年1个月前
回复于
喷气推进
内容:既然做
二级
。
新坑:基于AD9361的手持监测侦察接收机
虎哥
7年3个月前
回复于
无线电
内容:@rgwan 现在
二级
电源芯片选型是ADP5052。
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:虽然我不太懂电路,为做
二级
一直在纠结着daohuosuo我围观一下,你们一定要成功~
一个小问题,请教大家...
ruanp
11年3个月前
发表于
电磁炮
内容:大家为什么一定要把线圈做的3CM左右长度,,初速不够弄
二级
三级?
高二新手第一次发帖 第一次做电磁木仓,两级,50mm长钢钉,有视频,有问题
battlecruise
11年5个月前
发表于
电磁炮
内容:一级三个450V 1000微法铝电解电容 一级线圈0.8mm漆包线50*5
二级
50*4 8mm内径碳纤维管 以下两视频为充电200V射击效果 密码:kechuang [flash=640,480
二级线圈炮
ビリビリ女
14年5个月前
回复于
电磁炮
内容:还有,第一级导通时通过自感立刻触发第
二级
会不会太快了?
被误导的电磁木仓最高理论效率
xfyc
12年11个月前
回复于
电磁炮
内容:唉,怎么都想着一个电容只能加速一个线圈呢,第一级是一个线圈没错,但第
二级
之后就变了,看看下面这图,自己分析吧
探讨发射小卫星的可行性及路线图问题
jetliao
13年9个月前
回复于
喷气推进
内容:关键技术还是在级间分离和第
二级
第三级,需要含能非常高的燃料,成熟的分离方式。
YT5备选方案:超音速遥测火箭(STR)设计方案
背着头满街走i
10年1个月前
回复于
喷气推进
内容:超音速火箭的话可以做
二级
或者多级的吧
电路问题求大神看一下
liwenlong
11年1个月前
回复于
电子技术
内容:第
二级
放大电路就是输出功率电路啊 LM675输出电流3A
大家有没有做过多级火箭?
x388
17年3个月前
回复于
喷气推进
内容:利用模型火箭发动机反推,点燃
二级
火箭发动机。,脱离其实很简单,一节套一节,只要反推点火,或者
二级
火箭发动机点火,自然就分开了。
二级火箭摄像头视频
enterprise
10年7个月前
回复于
喷气推进
内容:多发几张火箭的图片吧我们用的是成品发动机,一级D5-0四个,
二级
C6-0四个,航电设备有,是某宝上买的GY80传感器模块,就是 ADXL345加速度计 L3G4300陀螺仪 BMP085气压计 HMC5883,磁场计的组合,火箭失败了,基本没法拍图了,这个
二级
是随便瞎搞的,只是符合最基本的模型火箭制造原理,外观很不人道。
固体燃料与液体燃料火箭发动机
Gdeestan
1年5个月前
回复于
喷气推进
内容:限制可回收火箭进一步压缩成本的难点在于第
二级
和上面级的回收。,在那样的高度上它们不可能依靠自身的燃料返回,而且加装耐热瓦和降落伞或滑翔翼是不经济和回收困难的(部分的上面级可以通过类似于返回舱的方式回收 现已实现)也许我们可以让第
二级
入轨再分离出上面级调轨使卫星进入工作位置
全自动便携性磁阻式电磁加速器 半自动、三发点射。全自动可调。威慑力爆表!
ynrb2018
8年10个月前
回复于
电磁炮
内容:引用 大自然精灵:机械开关我做过,2级很稳定,3级就不行了 为什么第三级不行,安理说第
二级
可以,第三级应该也行啊?
线圈炮+轨道炮结合体
hetyinput
10年4个月前
回复于
电磁炮
内容:zhhq14518644 发表于 2014-8-18 12:52 你们锁了这么多,不就是提高速度吗,我打算搞那个初速用机械动能,
二级
在用电磁加速。
关于线圈炮光电开关延时问题
595051294
10年1个月前
回复于
电磁炮
内容:还有个可控硅导通时间,,误差30%~40% 感觉不出来的,lz可以试试第一级和第
二级
远一点光电触发,后面的单片机延时触发,后面的线圈就可以紧密点了。
多级火箭电子延时点火系统YY中--功能征集中
123123123
13年7个月前
回复于
喷气推进
内容:以前做
二级
火箭测测试过,的确可行,或者那股漆包线,可以藏到延迟药里,控制开启时间
我们火箭的未来
ltl
13年9个月前
回复于
喷气推进
内容:感觉
二级
补燃有点严重,而且喷管似乎扩张不足这么长时间也不是那么容易拦截的,洲际导弹都要飞很久
出半成品连发电磁枪
顶顶顶
9年5个月前
发表于
跳蚤市场
内容:开学就高三了,要好好复习一年,准备把刚做好的电磁枪出售
二级
加速,zvs升压,带有充电限制和连发结构,用直径6mm以下弹丸,原来的变压器坏了,那个大点的的就算送的。
用KNSU做燃料的火箭能不能达到超音速?
普通用户
15年9个月前
回复于
喷气推进
内容:一级速度为a,
二级
速度就是a+b,所以,从理论上讲足够的级数可以加速到需要的速度
关于小型固体火箭分离方案~~~~~~~欢迎大侠吐槽
极度深寒
12年2个月前
回复于
喷气推进
内容:
二级
坛里有成功的例子啊。。。
准备做两级加速,先上电路图
小小kiss
14年3个月前
回复于
电磁炮
内容:一楼:那个电容是滤波的,不是滤波,如果相应时间太长,那我就用红外对管,二楼;为什么
二级
不能比一级大,能讲讲原因不.....谢谢....
关于高度较大的可回收回收自制液体火箭发动机工作方案假设
vortex工作室
1年11个月前
回复于
航天技术
内容:3km,40kg+是我们火箭的最低设计质量,栅格舵与反推用于降落伞失效以及速度过大,高度低了有别人的方案大量的固体燃料使得危险性巨大,所以将固体设计为
二级
,减少燃料用量感谢反馈,2点写错了,加速度为负下坠过程中速度增加
【H3C小组】火箭分离模拟试验—爆破切割地面试验成功【有图有真相】
power_rdx
12年6个月前
回复于
喷气推进
内容:爆炸螺栓适合大型火箭,你这么小的直径,套管结构是最合适的,靠
二级
发动机的燃气将一级喷掉,对轨迹影响极低
求教一二级火箭分离
knsu+rnx
11年9个月前
回复于
喷气推进
内容:可以用rnx做一个连接环,当一级烧完后自动点燃连接环随后引燃
二级
,同时一级自己脱离。
关于高度较大的可回收回收自制液体火箭发动机工作方案假设
vortex工作室
1年11个月前
发表于
航天技术
内容:我们提出将火箭发动机的工作过程分为九个阶段火箭发动机处于正常工作状态,加速度随发动机质量减小而少量增加,速度呈上升趋势火箭发动机工作结束,依靠惯性上升,加速度为0,速度呈下降趋势火箭发动机加速度为0,速度接近于0,此时,我们的火箭
二级
分离固体发动机点火
二级火箭初步数据分析
极度深寒
9年4个月前
回复于
喷气推进
内容:这些数据都是第
二级
的,第
二级
的高度数据非常好说明算法没有问题。,姿态异常是第
二级
判断的。。
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