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全民网红C919明日首飞 它为何被称“大飞机”?

2017-05-04 11:22:40   封面新闻

原标题:全民网红C919预计明日首飞赶紧记住这些“知识点”

如果天公作美,万众瞩目的C919国产大飞机将于5月5日,也就是明天,在上海浦东机场正式首飞。

作为我国自行研制的具有自主知识产权的中短程单通道商用运输机,C919的的成功制造和首飞标志着中国载人航空事业正式迈入了崭新的阶段。趁着飞机还没飞,下面的知识点赶紧记住了。

C919全称:COMAC919

COMAC是研制C919的中国商飞公司的英文缩写(Commercial Aircraft Corporation of China Ltd),当然C也是中国英文名China的首字母。还有民航爱好者提出,此前国际上知名的飞机制造商为空客(Air Bus)和波音(Boeing),从A到B再到C,刚好排队。

数字919则寓意天长地久和最大载客量190座。

为啥被称为大飞机?

大飞机一般是指起飞总重超过100吨的运输类飞机,包括军用大型运输机和民用大型运输机,也包括一次航程达到3000公里的军用或乘坐达到100座以上的民用客机。从地域上讲,中国把150座以上的客机称为大客机,而国际航运体系习惯上把300座位以上的客机称作”大型客机”。

大量采用复合材料和新型航空合金

C919属于我国16个重大科技专项之一。C919飞机采用单通道窄体布局,基本型可以乘坐158名乘客,最大载客190人。与目前国际航空市场上最为常见的空客320、波音737相当。C919全机长度约39米,翼展近36米,比同类型飞机略大,同时,C919大量采用复合材料和新型航空合金,使得机体更大的情况下,总体重量保持在合理水平。

秒速280米

标准航程4075公里,最远航程5555公里,也就是说如果中国最北的漠河和最南的曾母暗沙有合适的机场,C919飞个单程完全没问题。飞行速度可达到0.82马赫,也就是每秒279米左右。

中国设计世界制造

C919的外形和内部布局皆由中国自主设计完成。机体的设计、计算、试验和系统集成也均由中国完成。据此前披露的消息,全中国22个省市、数十万产业人员参与了C919的研制。

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