为什么大排量摩托车轮胎很圆滑,没有多少花纹?

2024-11-07 11:21:25
推荐回答(5个)
回答1:

此轮胎多为软胎和光头胎,与普通轮胎不同。
以前轮胎表面的花纹是根据赛道表面的情况来决定的。当赛道表面是干燥的时候,完全平面的轮胎(俗称“光头胎”)能创造最好的抓地力,因为光头胎的接地面积大,因此抓地力极强,赛车在弯道的速度极高。当赛道表面有水的时候,轮胎表面就必须有坑纹,让轮胎和地面之间的水通过这些坑纹排出,这也是为什么普通车的轮胎表面都有条纹的原因。相关: 相对运动的物体之间存在两种摩擦力——滑动摩擦和滚动摩擦。当赛车匀速行驶时,轮胎和地面之间的摩擦力是滚动摩擦。而当赛车加速/减速或者转弯的时候,就产生了滑动摩擦。 分析可知这两个力之间的作用是相互制约的:如果赛车加速/减速过快,滑动摩擦力的作用将把滚动摩擦力完全抵消,赛车将“失去抓地力”,部分的轮胎表面将相对赛道表面静止,产生巨大的磨损,造成整个轮胎表面不再是规则的圆形,给赛车的行驶带来震动,使操控更加困难。 为了防止这种情况,牵引力控制系统(控制加速)和防抱死刹车系统(控制减速)应运而生。而如果转弯过快,失去抓地力的结果便是赛车失控打滑——赛车会向正在转向的方向打滑。轮胎内部的应力会通过轮胎表面传递到赛道上,而如果应力来不及释放便会失去抓地力。这时候就需要反向给轮胎一个作用力,让轮胎回复正常状态。 决定轮胎性能的因素 轮胎的尺寸、轮胎和地面的接触面大小以及表面花纹、材质决定了轮胎的性能。轮胎和地面的接触面的长宽之比是轮胎的截面比,通常截面比越小的轮胎抓地力越大,这意味着赛车轮胎尺寸要尽可能的大,同时宽度尽可能宽。然而,尺寸越大的轮胎,阻力也越大,这就需要工程师计算合理的平衡点。另一方面,低截面比的轮胎比高截面比的轮胎更不容易变形,从而减少了轮胎的内部发热(部分变形应力转化为热量),使轮胎在极端情况下依然能维持上佳表现。

回答2:

滑胎,光头胎,只适用与路况平整的公路或赛道噢,因为纹路少或没纹路,胎面与地面的接触面积就越大,摩擦力就越大,贴地性能就越好,在过弯的时候它能压弯就要靠这个了噢。胎纹深的可以叫越野胎,适合不良路况,水,泥,碎石什么的,纹路深,轮胎才能穿过水泥碎石而抓到实地,这样才不会打滑嘛。要是你用光头胎在积水的公路上行驶,那轮胎和地面之间就有一层水膜,因为没有纹路去排水,就变成水上飘了,很容易打滑。就说这么多了呵呵。

回答3:

轮胎花纹越少,干地抓地性越好,所以操控越好。相反,湿地性能并不突出。
花纹很突出的,比如越野车,实际上突出的是在坏、烂路面的操控性。
在汽车方面也是一样,你可以看到F1的轮胎都是没有花纹的。

回答4:

对时速没有影响,我也是玩大排的,有的胎也有花纹多的但是很少,宽胎生产的一般差不多都这样的花纹,我感觉花纹少会好看些

回答5:

使轮胎与地面接触面积最大化,制造出最大抓地力,是动力损失更小!!

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