第二百七十八章 夏日惊雷(10)
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一直以来,舰载战斗机使用的都是b-219a,而陆基在一段时期以后使用的是b-219b,a型与b型之间的差距除舰载起降设备外,还在于b型装有mw-50系统(水/甲醇喷射液)的,重量比舰载机略重、最大速度也略快一些。龙腾小说ltxsba.com
舰载机也曾试验过装备b型,但b型再加装起降设备后如果不“嗑药”,则性能不如a型,如果嗑药,则发动机寿命会缩短较多,对于无法在海上作战中更换备用发动机的舰载机来说,这不但等于白白废掉了一架飞机,还可能给飞行员带来危险谁知道发动机什么时候出问题,陆地出问题还能挽救,海上跳伞明显就是九死一生,因此最后统一选择了a型。
在a、b型改进之后,由于日本设计师堀越二郎团队的到来,号称“补丁之王”的梅塞施密特公司进一步开发c型,希望能为b-219延长生命力,撑到该公司新一代舰载战斗机(烈风改)顺利成型,以便捍卫该公司战斗机市场绝对王者的地位me-262被确定为主力战斗机后,生产量开始直线上升。
日方团队主要是由总设计师堀越二郎、构造计算专家曾根、武器仪表专家昌中和起落架专家加藤定彦四人组成,在他身后则是dfk设计局3过40多名专业设计师和技术专家,用堀越二郎的话来说:凡是能想到的专家,这里都有,而且都是世界一流的。
面对德国方面前期改动的结果,堀越二郎本人也表示吃惊,他根本没料到会有如此翻天覆地的变化,仿佛给了零战新生一样。其中最有趣的是曾根,他当初负责为减轻重量进行周密计算,现在又不但将减去的重量重新加回来,还绞尽脑汁计算该如何在不影响飞行状态的前提下进一步加强结构。
c型改进相对较大,主要包括:
一是换装了新发动机。bmw公司在彻底吃透技术的前提下,利用自己精湛的制造工艺,通过将气缸体直径镗大3mm,进一步压榨极限,实现总排气量提升,比原有发动机功率提高了45匹马力,重量几乎不变,以这45匹为基础,后续性能改观不少。
二是开发了折叠机翼战术。在b-109t身上梅塞施密特公司就开发过折叠机翼,原版零战因结构强度不够,一直无法折叠,c型在a型已加强过的基础上再次对机翼部分进行结构加强,单侧机翼可向上内折叠约6米,节约了大量停机空间。
三是重构火力。为抵消折叠并加强结构后的分量增加同时又提升性能,堀越二郎大胆地提出了取消了2门13mm航空机枪的建议,然后将2门20mm/mg151航炮移动到翼根位置,单门备弹从150发增加到220发。总体而言,单位时间火力投射减少,但火力持续性加强。
经过改进,b-219总重量增加27公斤,最大飞行速度从619公里/小时提高到631公里/小时,其余飞行性能基本不变。
使用折叠机翼带来的好处是显而易见的,战斗机容纳水平一口气增加了25%,本来携带30架战斗机的机库位置马上可以摆放38架飞机,这对一切空间都要斤斤计较并利用到极致的航母来说,显然意义更为重大。
小泽把堀越二郎拉到一边,用日语悄声问他:“这么干火力没问题?”
“没问题,和mg151比起99铳简直就是垃圾,弹药威力只有德国人的一半,而且您要知道国内的零战20mm备弹量只有60发,主要是依靠机枪,现在mg151依然保留了,而且弹药还增加了。”
看他自信满满的样子,小泽便放心了,便问他烈风改的后续进度。
“还需要一些时间。”堀越二郎承认当初在国内耽误了,愤愤不已地说,“要是我早来3个月,情况就不是这样……可那些官僚您是知道的。”
小泽对此也只有叹息。
经过深入讨论,并听取飞行员试飞意见后,众人一直认为火力削弱对以精英为主的海航战斗机飞行员来说,影响不是特别大,但折叠翼的好处实在太大,c型应该是短期内舰载机的使用方向。马沙尔和小泽考虑再三,最后稳妥起见,没选择全部换装,只换装其中一半。
随后,舰队高层一行又在军备部的陪同下去了亨克尔公司,他们对he-218的升级则步子更大一些,推出了he-218d型号。
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