自研新型复合材料固体火箭发动机喷口（一次性）

文号917161

11821

华夏青年2023/02/26跳蚤市场 IP:福建

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主要出售固体火箭发动机，降落伞，以及整体类设计服务

此喷口为手工制品，会有瑕疵，喷口经过数据计算，平均推力158牛，材料为自研的新型复合材料，并非堵漏王或花样树脂或石膏之类的，喷口具有质量轻耐高温的特点，建议一次性使用

来自：自助服务区 / 跳蚤市场

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~~空空如也

华夏青年

作者

2年6个月前 IP:福建

917170

3楼

引用wxn发表于2楼的内容

车石墨的都比你这便宜，还是拉喷

弄错了

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华夏青年

作者

2年5个月前 IP:福建

917287

5楼

引用宇智波丷派大星发表于4楼的内容

既然一次性了用石膏或者环氧树脂是不是更好？没有任何试车视频，推力曲线建议加上

好的，感谢提醒，过几天有空会弄的

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华夏青年

作者

2年5个月前 IP:福建

917357

8楼

引用虎哥发表于7楼的内容

倒不觉得价格（此时标价是14.90）多高，他的实际成本很可能还要加个零…但做套件零件，的确不能脱离用...

利润5块一个喷口，后续会上仿真和曲线，也会

有全套套件

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华夏青年

作者

2年5个月前 IP:中国

917359

10楼

引用虎哥发表于9楼的内容

人力和时间不算成本吗，失敬失敬。

这小东西没必要，做个廉价劳动力吧

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2022/11/05注册，3天1时前活动

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主体类型：个人

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认证方式：手机号

IP归属地：福建

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