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前轮驱动车型(全称是Front engine Front wheel drive,FF),是指将发动机放在车前面。它的特点是头部和尾部都很轻,整个车辆的60%以上集中在车身的前部。车身被前轮“拉”走,因此FF的直线行驶稳定性非常好。FF在发动机颈椎后不需要用半轴直接驱动前轮和通过驱动轴,因此动力损失小,也适合小型车。另外,FF的最大优点是,在FF后座之间,倒车所需的传动轴凸包很少,所以后座乘务员不必再把脚缩在狭窄的空间里。

也不是没有缺点。但是,头部和尾部轻便的设计使车辆高速行驶时,驾驶员踩刹车踏板的瞬间,刘海容易下沉,尾部容易上升或悬空,这可能会有危险。另外,前轮很重,前轮同时负责驱动和旋转,所以方向盘一般很重(但现在都是电磁力,所以这已经不明显了)。此外,由于旋转半径也比较大,容易出现旋转不足的现象。由于这些原因,FF不是高性能汽车的最佳设计,因此不适合安装动力大的发动机。因此,可以看到,大部分民用车都是使用的全面部署。当然,后面介绍的三种驱动布局受到了很多性能车甚至跑车的关注,我们快来看看吧。

前驱和后驱是汽车驱动形式的总称,“目的”是发动机前驱、后轮驱动(front-engine、rear-drive、FR),是最传统的驱动形式。在合并良好的道路上开始、加速或爬坡时,驱动轮的负荷会增加(即驱动轮的附着压力会增大),牵引性能优于前部风格。由于轴向载荷分布比较均匀,操作稳定性和乘坐感较好,有助于延长轮胎寿命。发动机、离合器、变速器等总成靠近驾驶舱,简化操纵机构的布置。

方向盘为推杆,转向机构结构简单,维修方便。发动机前桥驱动时,发动机可以水平或垂直放置,也可以放置在托架外部、托架内部或前桥上。不同的部署方案对汽车都有影响。这种布置形式主要在发动机排量低于2.5L的轿车上广泛应用。前车灯轿车的布置通常横向放置发动机,连接到紧凑的变速驱动轴。我国生产的Audi A6、Santana2000、Jetta、CA7220、Buick、Passat、Accord、飞度、宝来、中国、富康、英格等品牌轿车均使用发动机前轮。
前置前驱就是汽车的驱动轮是前轮,汽车发动后,汽车前轮接受发动机给的动力,后置后驱就是后驱动轮接受发动机的动力。
前置前驱指的是发动机在车头的位置,并且驱动轮式车前面的两个轮胎,而后置后驱指的是发动机,在车辆的尾部,同时驱动轮也是后面的两个轮胎,一般后置后驱的车动力更加充沛,价格也更高。
前驱车和后驱车的差别还是挺大的,前驱车造价便宜一些,一般适合用在一些民用车上,后驱车一般出现在一些性能车上,适合做飘漂移等动作,造价也贵一些。
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