為何渦輪要搭CVT? - 汽車
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By Ivy
at 2018-06-23T09:05
at 2018-06-23T09:05
Table of Contents
如題
一般來說
會導入渦輪不外乎需要
低轉高扭力
達到省油 有力的感受
不需要像NA引擎
深踩才能把扭力叫出來
但我最近在看
眾多的CRV試駕影片
常主持人抱怨CVT特性
轉速高/吵啊 什麼的
其實CVT的特性
在我以前開神A的時候
就體驗過了
雖然神A整體上還算輕快
但只要有高轉速的引擎聲
會給我一種感覺
"這台車好像不是很有力"
"怎麼引擎要叫這麼大聲"
以上題外話
想請教的是說
CVT+渦輪
在提速的時候 會讓轉速升高
比一般自排還高
所以會有些噪音什麼的
為什麼要搭CVT呢?
因為渦輪引擎在低轉
{大概2000轉左右}
就有大扭力了
這時候CVT又比自排來得轉速高
轉速高就是增加油耗/噪音/熱
雖然說汽油渦輪不會像柴油車
拉高轉就軟腳
汽油渦輪是有延伸性的
不過搭CVT就是很違和
森林人好像也是這樣
為什麼低轉就有力的引擎要搭容易讓轉速飆高的CVT呢?
請問其中的學問
謝謝
Sent from JPTT on my LGE LG-H870DS.
--
Tags:
汽車
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