第177章 划时代的客机(二)
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复合材料在大型客机的使用历史大致可以分成四个阶段,第一阶段在七十年代,复合材料开始大规模进入民用客机领域,复合材料典型的使用部分,为客机受力很小的部件,类似前缘、检查口盖、整流罩、扰流板等部位。
共和国商飞研发arj21700的复合材料使用水准,基本就处于这个阶段。
第二阶段的复合材料典型使用部分,为客机受力较小的部件,类似升降舵、方向舵、襟翼、副翼等部位。
波音第二代737200、300、400全系基本都处于这个水平。
第三阶段的复合材料典型使用部分,为客机受力较大部件,类似水平尾翼、垂直尾翼、发动机短舱等部位。
空客的a320全系基本都处于这个水平,可以说a320能在第二代波音737的围追堵截中大获成功,除了国家意志之外,平台技术的领先也有着相当大的因素。
空客的a320崛起之后,痛定思痛的波音搞出了第三代737600、700、800等型号,才把技术水准和a320拉齐。
第四阶段的复合材料典型使用部分,为客机的主承力部件,类似于机身、机翼等客机主要受力部位。
像空客的a380、a350,波音的787都yijing达到了复合材料使用的第四阶段,只不过a350和b787更为极端罢了。
mpc75支线客机将在机翼、垂尾、舱门……等部位大面积使用复合材料,达到飞机结构重量的20%。看着眼前的文字,梁远用力的眨着眼睛。
难怪这货拉的多,跑得远,梁远用指甲按了一下ziji的手掌,确认zijiméiyou眼花。
至少把今后30年大型客机发展历程都看在眼底的梁远深知,在ziji的记忆里,连同空客和波音在2020年之前的发展计划都算上,就平台的先进xing来说,在中短途窄体客机领域mpc75是无敌的,难怪德国人在开篇就大剌剌的写道,即使进入了新世纪,mpc75客机依旧会是支线客机的技术领导者。
梁远想着报纸和杂志上,法国同联邦德国之间yijing持续数年的,在汉堡建立第二条空客生产线的大规模口水仗,想着前几天刚刚成立bwm/rr发动机制造公司,联邦德国在报纸上大张旗鼓的宣布宝马将和罗罗合作发展推力在6090kn的rb700系列涡扇发动机。
八十年代经济实力大涨的德国汉斯们,哪能像目前的共和国那样,安心的造a320的飞机尾巴,法国佬为了维护ziji在空客集团的领导地位和维护国内的就业岗位,多次拒绝了联邦德国的增设生产线的请求。
再想想mbb公司和奔驰宇航合并的消息漫天都是,联邦德国zhèngfu果然在下一盘很大的棋。
现在后果出来了,这个mpc75计划明显是对着a320去的,看起来德国人准备下决心单干了,否则绝不会把mpc75的指标定得如此先进,梁远想着欧洲国家之间那些数不完的烂账,差点笑出声来,ziji还真的捡了一个大便宜。
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