手排車為何有人說急煞時要踩離合器比較好? - 汽車
By Ingrid
at 2017-02-07T23:17
at 2017-02-07T23:17
Table of Contents
車子一般在減速時最好入檔利用引擎制動來幫助煞車這個大家都知道
但在手排車子警急煞車時是否要(入檔or踩離合器)出現了兩派說法?
一說
警急煞車時踩離合器就猶如空檔下坡一樣危險
因為少了引擎煞車幫助
另一說卻是
警急煞車時踩離合器反而減少煞車距離
因為引擎的牽引力反而會吃掉煞車系統所提供給車輪的反向力量
踩離合器 = 斷開引擎與車輪的連結 = 煞車系統只需要給車輪作功就可以
而且國外似乎有實驗顯示:踩離合器的急煞其煞車距離較短
個人覺得第二說好像較為合理
因為要是沒有踩離合器
煞車系統等於要讓高速旋轉中的車輪+高速旋轉中的引擎曲軸停下來
有踩離合的情況下只要讓高速旋轉中的車輪停下..車子就可以靜止了
不知道這樣想是不是正確?
謝謝
--
但在手排車子警急煞車時是否要(入檔or踩離合器)出現了兩派說法?
一說
警急煞車時踩離合器就猶如空檔下坡一樣危險
因為少了引擎煞車幫助
另一說卻是
警急煞車時踩離合器反而減少煞車距離
因為引擎的牽引力反而會吃掉煞車系統所提供給車輪的反向力量
踩離合器 = 斷開引擎與車輪的連結 = 煞車系統只需要給車輪作功就可以
而且國外似乎有實驗顯示:踩離合器的急煞其煞車距離較短
個人覺得第二說好像較為合理
因為要是沒有踩離合器
煞車系統等於要讓高速旋轉中的車輪+高速旋轉中的引擎曲軸停下來
有踩離合的情況下只要讓高速旋轉中的車輪停下..車子就可以靜止了
不知道這樣想是不是正確?
謝謝
--
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