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约找到 737 条结果,耗时 0.466 秒
好吧,自制的
金属发动机
试机成功!
chendongtao
12年10个月前
发表于
喷气推进
装药发动机总重910g上数据 工作前 视频来也~~(请无视点火方式,时间仓促)XXXXXXXXXXXXXXXXXX/v_show/id_XXXXXXXXXXXXXXXXml工作后发动机拆解这是工作前的喷口 工作后 铝喷口没戏,高温高压下烧蚀超级严重,前后质量差了10G。估计试验架被严重冲刷是因为含有金属射流的缘故。明天改用碳钢制作。试验架 至此,结束。
求
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设计图★有的给点建议
147397692
14年6个月前
发表于
喷气推进
做了一段时间的塑料的 感觉不刺激 现在想做金属的了 希望大家给点建议 有完整的设计图更好 可以自己拿到我家里厂子里加工 谢谢各位!!!!
出售全新固体火箭
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一台
拉风
13年3个月前
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发动机材料 40Cr喷口及堵头材料:45#碳素最大外径58mm内径50mm燃烧室有效长度220mm壁厚2.5mm喉口9.0mm喉长4。0mm扩张比9.7扩张半角 12°收敛圆弧R35压缩段喉部扩张段R过渡 600目抛光设计耐压25MPa @250℃设计燃料 KNDX理论总冲:700NS理论推力:45Kg设计隔热层厚度: 3mm药柱燃烧面 :内孔+6端面售价RMB350包圆通不议价有意者跟帖在加一句...
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金属发动机
链接统一回复
火腿冬瓜汤
9年11个月前
回复于
喷气推进
XXXXXXXXXXXXXXXXXXXXXXXX/t/69525
最具价值的绝版拉风牌
金属发动机
。
旗舰
12年10个月前
发表于
喷气推进
1:发动机全貌。此机是目前论坛出现的三台拉风牌钛机中最长的一台。 2:拉喷收缩段。 3:管子/拉喷/堵头三件套。 4:拉喷扩张段。 5:合影照片一张。
打算做个
金属发动机
,求助喷管问题
vol2088
15年6个月前
发表于
喷气推进
打算用车床车,不知道怎么能把成本降下来用过的帮帮忙
在考虑为论坛义卖两个
金属发动机
ABC
16年4个月前
发表于
喷气推进
发动机的全部零件,易损件如密封胶圈会多送一些.还有燃料成型模具简易版,燃料制作说明和发动机使用说明.所得款额捐给论坛. 该款25MM重复使用发动机经本人数十次安全循环使用,成熟可靠.使用28克KNDX,推力达8KG,总冲32S. 价格会比较高,购买门槛会十分高,我需要对购买者做技术水平评估.看大家有什么意见.
最成功的一次
金属发动机
CLM1地面试车
3ha510
15年2个月前
发表于
喷气推进
是上次的那个45#钢发动机,但是这次燃料好得多了,效率很高,这次装药30g,实际偏差不超过5g,药柱长4.5cm,内孔贯穿,由于没有oring所以,燃气还是有泄漏,虽然零件之间卡得很紧,但是燃气竟然从螺丝缝里出来了……下次车的时候一定注意尺寸了。声音很响,工作时间小于0.5s的,看图片视频吧! 晚上测试,燃气在灯光下很漂亮,速度应该蛮快的,估计要超音速了?!视频:点击此处查看视频如果...
knsb
金属发动机
推力的讨论(实验结果)
ww
1年10个月前
发表于
喷气推进
简略来说,因为发现前几个发动机的推力数据和计算数据严重不符,怀疑是关于喷燃比的设计出现问题,导致喷口设计的过大,发动机压强上不去,所以实际推力远小于计算结果,于是在这篇文章中简单介绍了一下我想出的一种设计喷口的方式,XXXXXXXXXXXXXXXXXXXXXXXX/t/88270并重新设计了喷口,进行了这次实验验证这种方式的正确性以下是本次实验数据:可以看出这次的推力大概达到了350N左右,和仿真...
画了枚
金属发动机
设计图 求大神修改
速度无敌M99
10年5个月前
发表于
喷气推进
本人设计的40mm
金属发动机
请大神斧正。
caiyufan
9年11个月前
发表于
喷气推进
设计使用钛车制,使用rnx或kndx燃料。 下面是我画的cad图纸。。
CR-1X
金属发动机
测试,发现了严重的问题
3ha510
15年7个月前
发表于
喷气推进
首先我不得不承认这次我燃料制作得很糟糕,在预热硝酸钾的时候把硝酸钾给打翻了,就在这时,旁边加热的葡萄糖突然丝得开始燃烧,把我的命都吓出来了,其实是昨天测试粘在石棉网上面的残留燃料燃烧……仔细看视频,这次竟然多处发生漏气!下次要加Oring了,可惜找不到合适尺寸的Oring,没办法啊!燃料制作这次由于打翻了硝酸钾导致了混乱,烧杯都分不清了,后来似乎把两种药品搞混了……。上个视频吧,这次喷气竟然歪的,...
4元钱
金属发动机
试飞成功,大家来膜拜
wyddsg
15年7个月前
发表于
喷气推进
先上照片,不要插楼飞了一秒,落了十秒,飞得真的很高,视频在附件能不能给我一点学术分啊,谢谢了各位版主大爷
2022最后的咆哮——32mm
金属发动机
二号机试车
free731
1年10个月前
发表于
喷气推进
动手实践: 实验报导
咳咳,试车图镇帖: 因为疫情原因,学校突然放假,时间突然变得充裕起来。有了时间,自然是要搞事情的。于是乎,我的二号机登场了。 这次二号机主要是弥补一号机存在的一些问题:室压、总冲、喷燃比太小,喷口没进行打磨,隔热层太薄不够用。还有关键的一点:采集推力。1.试车台的制作 上个帖子中有指出:一号机没有进行推力数据采集。没有推力数据,就不知道发动机是否...
售
金属发动机
~!
wsygz08
12年5个月前
发表于
跳蚤市场
机身用了一下 thallium2012 大神的图,谢谢啊,没时间照 ,喷口为定制,经过老大的批评改正喷口由最初的6MM 加到8MM,避免了强端流的出现,在这感谢老大的教导,因大环境因素,玩不了了,现将闲置的三台发动机转让,Q版定了一台,还有两台,180包邮,两个一起要送原装喷口,原装喷口可装RAP试车,安全问题在这再次强调,请一定保证安全距离,毕竟是金属机,一但出现问题,将极端危险。(本发动机只...
090317 视频&&图片
金属发动机
试飞 感觉猛烈
大蒜
15年10个月前
发表于
喷气推进
昨天本来就想做了 后来出丑了 就不好意思拿上来了,原因是上次用完后发动机内的残余物没有洗掉 结果潮解,结果直接吧药柱插入,结果......光喷火就没有动作今天这个 感觉吓到偶了, 差点飞到偶脑门儿上,咳,我应该带上偶的攀岩头盔的视频:XXXXXXXXXXXXXXXXXXXXXX/watch?v=3YuyCsy0d1Y
【测试】便宜的
金属发动机
,用手电做发动机。。
93°
16年1个月前
发表于
喷气推进
用一个18650的筒子,在中州买的次品。。本来想着装激光进去,结果太小。。这个金属反光碗可以当做一个喷管,是一个没有收缩段的拉瓦尔喷管(还能叫拉瓦尔吗 = = |||||)但是是Al做的,所以恐怕不能用几回。。橘皮反光碗表面不平滑,明显违反发动机设计条例。。。装入KNDX燃料。。打洞因为外壳比较薄,所以喷燃比设计在120:1左右。。明显是RF经典制法。。以下是测试放在这里测试,本来打算用激光点的,...
大蒜,abc版主还有拥有
金属发动机
的请进
1000
15年7个月前
发表于
喷气推进
我准备去加工发动机了,可我又翻了下贴,原来以前好多东西我没仔细看到,如大蒜用的图纸被修改了,图纸的作者也说有问题,所以我想问几个问题一,大蒜,你修改了什么 二,大家的发动机壁厚 三,发动机的喷燃比 我用的图纸和大蒜的一样,壁厚不到2mm,采用双燃料室,我还准备再做个单燃料室的,能否在原有图纸的第一节燃料末段加上堵头,后面的去除
金属发动机
喷口貌似被盐酸X了怎么办
丙酮
12年7个月前
发表于
喷气推进
如题,擦擦擦擦擦擦擦说好了的明天发射,昨天无聊就那一小块RAP放在喷口下烧着玩,擦擦擦啊擦擦,烧完了还脑残那水洗,擦擦,RAP产生氯化氢遇水变盐酸阿啊啊啊啊啊
今天发发我新入手的300+g重的
金属发动机
lovehongkong
15年6个月前
发表于
喷气推进
反正这玩意方便易得...不过我买这堆东西都花了18大元..感慨一下=.=..然后再感慨,丫的买水管的竟然告诉我不能攻内螺纹...导致要用连接件...过分>,<嗯..既然那个那个就++学术分吧..嗯..[s:249]
首次测试Crm2
金属发动机
_100gkndx制造的超级力量
3ha510
15年2个月前
发表于
喷气推进
首先是视频:点击此处查看视频这次用的15cm的铸铁管,总共100g(实际90克左右)质的KNDX,两端分别有两个6cm深5mm的圆形内孔,直径24mm,喷管5mm。其实是爆裂了,在螺纹那里爆裂了,螺纹太脆弱,导致喷口整个儿飞出去了(点火后10秒落地,在水泥地弹起来大约有一人高),可以当炮用了……100g燃料半秒不到就变成空管子了!!!上帝哦[s:247]震撼的声音啊。旁边防护用的PVC管被炸得粉碎...
〖图纸展示〗我设计的第一台固体火箭
金属发动机
wsygz08
12年8个月前
发表于
喷气推进
发动机长600MM 内径 42MM 设计 最小喷燃比880 燃料为RNX,燃烧方式:内孔,装药5节,每节100MM,带开伞孔,不多说了,上图。 组装图 机身 喷口 堵头
耗时两天两夜精心制作的50mm*1000mm
金属发动机
火箭
LShang001
9年11个月前
发表于
喷气推进
发射架制作 姿态开伞航电设备制做 地面点火测试 点击此处查看视频 降落伞制作 裁成边长150cm的正方形 然后对折对折对折再对折,裁成正八边形 开伞装置制作 一克NC开伞药开伞实验 点击此处查看视频药少了,失败。 2gNC地面开伞实验 点击此处查看视频 2g成功! 航电设备装入箭体 2mm亚克力板舱门制作 吃宵夜 32发动机与5...
初学者
金属发动机
设计图,请各位帮忙指点一下。
梦k50
10个月15天前
发表于
喷气推进
特殊话题: 提问/求助
本人是一位初学者,下图是参考几个论坛帖子画出的设计图,希望各位可以指出不足之处。感谢。
Re:090317 视频&&图片
金属发动机
试飞 感觉猛烈
lilith
15年10个月前
回复于
喷气推进
大蒜很顶我嘛,发动机我的版本,称和我的也一样,呵呵~~
[求程序]请问谁有计算
金属发动机
壁厚的程序
qazwqsx
11年2个月前
发表于
喷气推进
rt
[原创]自制小型全
金属发动机
45°斜射火箭 视频+图
lily
15年2个月前
发表于
喷气推进
喷喉直径4.5MM,喷口全角30°,收缩部全角60°。全长23CM。战斗部长6.5厘米(虽然没有装药)。无弹翼,导轨发射。不多说了~看图 看视频吧。
50mm
金属发动机
试车(某中学科创葵花社火箭项目组)
学术分
12年1个月前
发表于
喷气推进
从前有座中学,中学里有个科创葵花社,社团里有一群火箭爱好者,某位淘得厂长一枚发动机。。。 便萌生了将一枚属于自己的火箭送上天的想法,于是就有了下面的试车。。。 废话少说,上发动机参数 发动机最大直径:58mm 发动机内径:50mm 燃烧室长度:220mm 耐压:25MPa 拉瓦尔喷管扩张比:9.7 喷喉直径:9mm 所用燃料为重结晶法KNDX,共4段内孔为10mm、直径46mm的药柱(总重500g...
晒晒我的两台
金属发动机
不锈钢和铝合金
rocketman
12年6个月前
发表于
喷气推进
[s:274] [hr]完美吧 ^_^
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