具体描述
This book is an account of the companies and individuals, who have played a major part in the design and advancement of motorcycle frame (chassis) performance. These independent companies began to spring up in the early postwar years, when motorcycle racing began to take place again. Due to the lack of available factory machines and the urge to improve performance of the now aged equipment, riders began to build their own frames around whatever engines were available. Success brought recognition, and people were soon wanting to buy winning machines, so fledgling companies began to spring up to satisfy the growing demand for custom chassis. Some of these companies soon began to grow, and others appeared in various European countries over the next few years. The state-of-the-art hand built frames were becoming a must for the discerning road bike rider, and so the independent motorcycle frame makers were beginning to put some designs into production, and a thriving business was beginning to emerge. In later years, with such a large choice of factory engines from around the world, the successful independent chassis manufacturers went from strength to strength and some are now producing highly prized road bikes, whilst building one-off machines as required. As the years have passed, one or two of the independent companies have disappeared, but in many cases their machines have become very collectable classics. The companies still thriving today, as well as producing modern machines with a wide range of engine options, are finding considerable business rebuilding and maintaining machines built in the earlier years. Some of the pioneer builders have become household names to the motorcycle fraternity, and those written about in this book include: Nico Bakker (The Netherlands), Bimota (Italy), Dresda Autos (United Kingdom), Egli (Switzerland), Harris Performance Products (United Kingdom), Hejira racing (United Kingdom), Magni (Italy), Maxton Engineering (United Kingdom), P&M Motorcycles (United Kingdom), Quasar (United Kingdom), Rickman UK (United Kingdom), Colin Seeley Racing (United Kingdom), Segale (Italy) and Spondon Engineering (United Kingdom). This book charts the history of these innovative companies with full specifications for many chassis, and is extensively illustrated throughout. A must for any motorcycle enthusiast, and a valuable reference for the trade.
作者简介
目录信息
读后感
用户评价
这本书的叙事节奏处理得非常高明，它成功地平衡了学术的严谨性和工程实践的趣味性。如果全是枯燥的公式和数据，那么大部分读者可能在第三章就会望而却步。然而，作者似乎深谙“故事性”对于技术理解的重要性，他总能在关键的理论节点引入经典的赛车案例或历史性的设计演变过程。比如，当讨论到八十年代末期钢管车架到铝合金一体化车架的过渡时，他不仅仅罗列了材料的拉伸强度差异，而是还原了当时工程师们面对刚性过高导致的骑乘反馈“迟钝”这一难题时，是如何通过增加特定位置的微小柔性来“调校”车架的。这种将历史、技术和实战经验编织在一起的叙事手法，让学习过程充满了探索的乐趣，仿佛跟随一位经验丰富的设计大师进行了一场私人进阶指导，而不是被动地接受填鸭式的灌输。
评分初次翻阅时，我被它那近乎百科全书式的广度和深度震撼到了。我原本以为这只是一本针对特定车架类型进行探讨的专著，结果它几乎涵盖了从基础的结构力学原理到尖端复合材料应用的全光谱知识体系。作者显然不是一个纸上谈兵的理论家，他对赛道物理特性的理解深入骨髓。书中对于车架几何角度（比如头管角度、后摇臂枢轴点高度）对高速稳定性、低速灵活性以及转向精准度的微妙影响，进行了大量的定量分析和图表对比，这种细致入微的剖析，让我这位有些年头的骑行爱好者都感到耳目一新。尤其是对于扭转刚度和纵向柔性之间的权衡，书中用了一种非常直观的类比方式进行阐述，化解了许多以往困扰我的抽象概念。读完前几章，我感觉自己对“什么才是好车架”的定义，已经从模糊的骑行感受，转变为一套可量化的工程标准。它不仅仅是告诉你“如何设计”，更是在告诉你“为什么那样设计才是最优解”。
评分对于任何希望将理论知识转化为实际动手的爱好者或初级工程师来说，这本书提供的参考图和设计模板简直是无价之宝。我尤其欣赏它在探讨材料选择和焊接技术时的详尽程度。它没有停留在“用TIG焊”这种泛泛的建议上，而是详细讨论了在不同厚度和材料（例如铬钼钢与航空铝合金）下，热影响区（HAZ）的宽度控制对最终车架强度的潜在危害。书中附带的几组标准应力分析图表，可以直接用作初步设计的基准参考，这为我们这些没有大型FEA软件支持的个人项目提供了极大的便利。更难得的是，它还探讨了成本与性能的权衡，比如如何在保证核心刚性的前提下，通过优化管材壁厚的分布来控制制造成本，这体现了一种非常成熟和务实的工程思维，即设计必须落地，服务于商业或实际的使用环境。
评分真正让这本书脱颖而出的，是它对“骑手-机器界面”这种人机工程学深层次的挖掘。许多关于底盘设计的书籍往往过于侧重车辆本身的性能指标，而忽略了作为最终执行者的骑手的感受和反馈。这本书用相当大的篇幅去解析，车架的微小振动如何通过座椅、脚踏和把手传递到骑手的神经系统，以及这种传递的频率和幅度如何影响长途驾驶的疲劳度和高速过弯时的信心。作者提出了一种“可预测的反馈模型”，主张一个优秀的车架设计，不应该是绝对僵硬或绝对柔软，而应该是在特定载荷下，提供骑手能迅速理解并预判其反应的“可塑性”。这种对骑乘体验的深度哲学思考，将一本原本硬核的技术手册，提升到了艺术创作的层面，让我对“机械与人”之间的互动关系，有了全新的、更富人文关怀的理解。
评分这本书的装帧设计实在太精妙了，硬壳封面采用了一种哑光的质感，摸上去有一种沉稳而厚实的感觉，中央的烫金字体在灯光下熠熠生辉，将书名衬托得既专业又不失格调。我特别喜欢它在细节处理上的用心，比如侧边书脊部分，采用了一种与封面略有差异的纹理，走的是低调奢华的路线。内页的纸张选择了偏米黄色的高级铜版纸，印刷清晰度令人赞叹，即便是最复杂的几何图形和工程图，线条依然锐利、层次分明。我知道，对于这种技术类的书籍来说，纸张和印刷质量直接决定了阅读体验，如果图表模糊不清，再好的内容也会大打折扣。这本册子的实物质感，完完全全传达出内容深度的价值感，让人一上手就知道这不是一本随便翻阅的杂志，而是一本值得长期珍藏和反复研读的工具书。在咖啡馆里拿出它，光是把它放在桌面上，就感觉自己散发着一种对机械美学有着深刻理解的气场。那种沉甸甸的手感，像是握着一个精密仪器的外壳，充满了对工程智慧的敬意。
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