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约找到 518 条结果,耗时 0.203 秒
事故报告:单级感应炮的惨死现场
三水合番
1年8个月前
回复于
电磁炮
内容:从模量的角度看,应该得用玻璃纤维(或者
碳纤维
)增强的环氧树脂灌封,才能有效果。,
碳纤维
则有两三百GPa,比线圈的紫铜硬很多。
回 17楼(onrof) 的帖子
warmonkey
10年11个月前
回复于
喷气推进
内容:设计上没有预留信标的位置,
碳纤维
又是吸波材料,装进去之后信号出不来,最后就没装。
【第二次试车】HTPB推进剂 碳纤维发动机
KFWJ
8年3个月前
回复于
喷气推进
内容:淘宝上 56*60规格的纯
碳纤维
卷管500元一米。
【猜想+求助】关于电磁铁+弹簧做横纵向分离器的猜想和关于水压试验、碳纤维管的问题
arminarlart33
7年5个月前
回复于
喷气推进
内容:
碳纤维
耐热性能与石墨相似,但是商品级复材的树脂基体耐热差啊,
碳纤维
管的耐热大概处于铝合金和钛合金之间,隔热仍然十分重要
我的模块化箭体
Winter
4年11个月前
回复于
喷气推进
内容:除非箭体设计的技术指标很高,要不箭体没必要用
碳纤维
管吧(土豪无视)
新测试
ksama
12年11个月前
回复于
喷气推进
内容:其实
碳纤维
管发动机 钛合金堵头会很好 可是 这么大的火箭就得上千了 哎....
【MS精工】超级电车“风暴之灵”诞生记
AXU
10年5个月前
回复于
电动汽车
内容:楼主的概念很不错,我可以理解为,便携式自行车电动 ...汗
碳纤维
航模无刷 狮子锂电 成本 而且不能用外转子 要进沙子
复合碳纤维喷口&陶瓷喷口制作
旗鱼
15年8个月前
回复于
喷气推进
内容:如果用酚醛树脂加上
碳纤维
成型后烧结呢?
电磁木仓全套加一些配件出了
wkk123
12年4个月前
回复于
跳蚤市场
内容:多余的
碳纤维
管子送给大家。
HTPB推进剂 碳纤维发动机地面试车。
七公里垃圾站职业技术学院
8年8个月前
回复于
喷气推进
内容:还好我没买
碳纤维
……
线圈炮的枪管最好用什么材料
wzf081425
11年10个月前
回复于
电磁炮
内容:
碳纤维
管,虽然有一定导电性,不过相较铜铝来说可以忽略了,壁厚较薄,一般为0.5mm,也比较好加工
欲打造史上最快电动自行车,现征集各种馊主意
yang6661262
12年6个月前
回复于
电动汽车
内容:减重法,把自行车做到最轻,当然
碳纤维
的。
火箭外壳最好的材料
thesnake
14年4个月前
回复于
喷气推进
内容:使用这玩艺的路过......现在用
碳纤维
了.......................新手可以去买玻璃钢鱼竿的外管,不是很贵
铝喷口用做KNDX火箭的可行性...测试加图...(无关:内含伤口处理方法)
thesnake
15年7个月前
回复于
喷气推进
内容:引用第10楼普通用户于2008-12-01 17:28发表的 :
碳纤维
材料在各位意识中的价位是怎样的?
请大家帮我参考一下这个金属固机设计有无问题?
HXKRRRR
7年4个月前
回复于
喷气推进
内容:
碳纤维
导热性是好,但是如果加环氧或者酚醛浸渍的话就是优秀的烧蚀绝热材料。
用泡沫塑料製造飛艇的想法
alpha
12年3个月前
回复于
航空技术
内容:小型气艇还是软式气艇比较靠谱,泡沫塑料的强度很够呛,相比之下我宁愿用轻木或者
碳纤维
管搭骨架再就是升空之后内外压差,为何泡沫塑料不会被涨破?
【求助】一个很奇怪的问题...
chemistry02
7年6个月前
发表于
喷气推进
内容:Rt,最近发动机连续第六次测试失败了...旧的问题解决了,两个新的问题来了...在用
碳纤维
管做新的发动机前,听虎哥说
碳纤维
管质量有好有坏,需进行水压测试。
复合碳纤维喷口&陶瓷喷口制作
ABC
15年9个月前
回复于
喷气推进
内容:好手艺,你那不是预浸布吧.
碳纤维
做喷管不实际,因为基质材料限制不需烧蚀,安装也是问题陶瓷喷管不错
回 楼主(听我说瞎话) 的帖子
huoyinggames
11年9个月前
回复于
电磁炮
内容:我也想做一款电磁Q,Q管用
碳纤维
的好还是玻璃纤维的好呢?
一个喷口的想法。
普通用户
15年5个月前
回复于
喷气推进
内容:如果燃烧不超过1秒的话,还可以凑合着用;超过的话···················LZ这样也可以,
碳纤维
就不值钱了。
发射架。。。
power_rdx
14年9个月前
回复于
喷气推进
内容:建议使用
碳纤维
管,优点是抗暴能力非常强,就算火箭当场爆炸你的发射架还能继续使用
我有点怀疑我的的计算结果,求大神鉴定
HXKRRRR
7年6个月前
回复于
喷气推进
内容:引用 arminarlart33:对高强度
碳纤维
来说2.52不算薄了好吧,不过还是比我之前设计的8mm铝合金轻薄多了
大虾们帮设计个天线
rc5
14年11个月前
回复于
极客DIY
内容:
碳纤维
有导电的也有不导电的,取决于工艺,但按其结构来看,即使导电的对于射频信号也不是很理想的导体。
关于电磁炮的一些问题
智繁星
9年4个月前
发表于
电磁炮
内容:在电磁炮的炮管材料有什么要求吗,
碳纤维
管可不可以?
HTPB推进剂 碳纤维发动机地面试车。
KFWJ
8年8个月前
回复于
喷气推进
内容:贵是最主要的原因 还有就是
碳纤维
钻孔是要技术滴,我第一次上CNC直接被师傅把我的管子钻坏了[s::Q]
【慢慢搞】低压20级连发电磁炮(有点类似于德尔塔v工程)
龙马丹心
8年8个月前
回复于
电磁炮
内容:可以用两个
碳纤维
管 外管套内管 内管用的时间长了会磨损 外管绕线的话 内管可以随时取出来更换 就可以解决精度问题
猜猜这枚火箭能飞多高
mark42
9年4个月前
回复于
喷气推进
内容:引用 猎鹰:
碳纤维
挺贵啊,光是箭体+头锥就花了800,不过重量非常轻,0.7kg左右.
星云科技2月14日PPR机及矢量机试车报告
XYSC
4个月10天前
回复于
喷气推进
内容:目前我们已经改变了思路,把隔热层套在碳管里面,再把喷口和堵头嵌在隔热层里面,这样一来,解决了
碳纤维
内壁凹凸不平难以气密的问题,也保留了
碳纤维
的抗拉强度高的优点。,隔热层能和O型圈紧密贴合,而且它不需要太厚,因为受到高压也会被
碳纤维
约束不发生膨胀。
炮管涡流问题共享
AGK
9年9个月前
回复于
电磁炮
内容:刀尖上的海 发表于 2014-6-3 22:04 那个不耐磨 脆
碳纤维
管内壁不光滑,磨擦阻力大,硬脆,也因导电也有磁阻,不是理想之选
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