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Date Posted: 21:31:27 08/13/99 Fri
Author: Arafat
Subject: 差不多是這樣...
In reply to: 旺仔 's message, "請問光頭胎對車子有甚麼影響." on 06:12:54 08/13/99 Fri

> 請問光頭胎對車子有甚麼影響.請大家幫忙解答一下.謝啦.

使用光頭胎有何差別?我很難三言兩語交代,因為我也不懂,嘻嘻!

我的個人想法是:近年由於規則直接/間接限定煞車方面的能力(例如
碟盤厚度、卡鉗限制/輪圈13"...),使得車隊不得不更依賴所謂"機械
抓地力"也就是輪胎來增加corner speed,反正空氣力學上的增益沒辦法
在那種已經慢下來的情形給它什麼好處。但是還是得靠煞車來過彎,
而且是溝紋胎比光頭胎更需要煞車來幫忙,這樣煞車在高熱下長期工作
就會讓它的煞車效果降低,甚至終致全失(我有幾次這種經驗,好恐怖!)
。所以車手為了完賽不得不慢下來給煞車喘息,別時時處在顛峰。大概
這就是為什麼近年比較常看到因為煞車出狀況的緣故。

再來是超車影響。FIA堅持改成花紋胎就可讓超車機會大增,先別研究
為什麼,身為觀眾的你有看到「大增」嗎?我想失去部分輪胎抓地後,
擾流又幫不了什麼忙,準備企圖超車時因為躲在別人屁股的turbulent區
根本只聞到臭味而已又沒辦法利用,要超車只剩下直路底比誰勇敢的對決,
也就是比誰的煞車強;但是近年來煞車距離大幅縮短,贏人家的就是那麼
一點點距離,“所以改成花紋胎應該超車變得更困難”才對---除非你馬力
大人家很多,或者像Alesi那樣喜歡敗中求勝→硬超!

我不知道Hill、Zanardi和Vill.的表現不好跟這個有沒有關,可是如果連一個從
日本方程式那種級數過來的del la Rosa都在抱怨開F1像在開Rally,明顯感受
到F1賽車抓地開起來跟以前沒差多少,那不就很尷尬了?

光頭胎...可能有開Go kart的比較有經驗吧,我只是隨便說說,你就隨便聽聽吧!

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