AUDI TT VS INFINITY G COUPE - BMW
By Genevieve
at 2008-02-16T01:55
at 2008-02-16T01:55
Table of Contents
原文恕刪
: 推 chasemasami:http://tinyurl.com/29cp9z enjoy XDDD 02/11 04:46
: → chasemasami:你問我才找的喔 02/11 04:46
: → chasemasami:還有 d大你的資訊有點少喔 IS350 0-60mph 只要5.3秒 02/11 04:48
: → chasemasami:所以0-100 km/h一定是比你的6秒快 不信的話可以試試XD 02/11 04:48
: → chasemasami:Lexus IS350 vs 335i http://tinyurl.com/yq6eza 02/11 04:50
: → chasemasami:事實勝過雜誌XD 改天你在highway被超過的時候 還要相 02/11 04:51
: → chasemasami:信雜誌嗎? XD 02/11 04:52
: → chasemasami:5.3秒 官方網站 http://www.lexus.com/ 02/11 04:54
: 推 mrma:沒有用啦,在台灣開那麼快是要去哪??真的沒有用...... 02/11 05:21
: 推 primarion:IS 350 0~60mph 5.3秒..335i 0~100km 5.7秒.. 02/12 00:11
: → primarion:Car& Driver 實測 IS350 0~60mph 5.1s 1/4mile: 13.7s 02/12 00:15
: → primarion:335i 0~60mph 4.8s 1/4mile: 13.5s 02/12 00:16
: → primarion:那個影片怪怪的..那台BMW 起步不是很漂亮 02/12 00:17
: 推 primarion:補充一下..C&D實測那台BMW 是六速手排的..XD 02/12 00:22
之前在車版就一直想要針對那個影片說明一下
看過數個335i跟IS350比賽起步的影片
我只有一個感想-------335i的加速實在是太猛了
因為實際上在highway會被巴過去很有可能是是IS350
在比賽起步中,大家從影片中只得到一個錯誤的假象
這個假象就是IS350跑得比335i前面
這兩部車的0-60mph大約都是5.3 5.4秒上下,如果不考慮車手的差異
我們可以說這兩部車子在0-60mph的加速時間是相同的
那為什麼IS350會跑在前面呢?那是因為加速曲線的不同
IS350 3500cc N/A的引擎 我們可以假設在0-60mph的加速曲線中,IS350是比較線性的
V(mph)
|
| /
60 | /
| /
| /
| /
| /
/__________
5 t(sec)
335i 3000cc twinturbo的引擎 雖然有一個低增壓渦輪在低轉時推
但是因為渦輪未開前的負壓影響 起步時的加速是可能比較慢的
V(mph)
|
| |
60 | /
| |
| -
| _|
| _/
/__________
5 t(sec)
很不會畫圖,但是加速曲線是一開始平緩(斜率低),後來陡峭(斜率高)
很像凹拋物線向上的右端
從影片中可以看到,大約開始加速的五秒後,兩部車的距離便不再拉開
所以可以假設兩部車在 0-60mph 所公布的5秒多都是真的
然而行車距離是車速對時間積分,所以比較線性的IS350在五秒內行車距離會比335i長
但是335i在中段加速的加速度是比IS350猛的
可以說335i在50km/h-100km/h加速所需的時間比IS350在同段速度區間內加速所需的時間
「短」
所以,IS350是在市區停紅綠燈之後搶先有利的車子
335i是在行進中要加速超車八過對方加速很猛的車子
不知道highway上是0km/h起步多呢?還是80,90km/h再加速多呢?
那是誰會八掉誰呢?
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All Comments
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at 2008-02-19T04:23
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