後輪煞車效益真的比較低嗎 - 機車
By Jacob
at 2016-02-02T02:39
at 2016-02-02T02:39
Table of Contents
爬了版上不少文也google些資料仍然不太懂,求板友開示
之所以大家會提到前後煞車比例前7後3...等等,應該是因為煞車時重力向前傾
實際上煞車時質心並沒有移動,只差在沒有了引擎輸出的動力,我解讀是為了力矩平衡造
成
而煞車時造成輪胎打滑的現象應該是『煞車制動力>輪胎抓地力』的時候,前輪因正向力
分?
但如果只就還沒打滑以前做討論(實際上一般應該都不太會打滑),假設前後煞能達到相
同
我的問題就來了
為什麼單用前輪煞車&單用後輪煞車比較,單用前輪似乎仍可以達到比較短的煞車距離呢
?
小弟才疏學淺,若有錯誤還請板友指證,謝謝!
--
之所以大家會提到前後煞車比例前7後3...等等,應該是因為煞車時重力向前傾
實際上煞車時質心並沒有移動,只差在沒有了引擎輸出的動力,我解讀是為了力矩平衡造
成
而煞車時造成輪胎打滑的現象應該是『煞車制動力>輪胎抓地力』的時候,前輪因正向力
分?
但如果只就還沒打滑以前做討論(實際上一般應該都不太會打滑),假設前後煞能達到相
同
我的問題就來了
為什麼單用前輪煞車&單用後輪煞車比較,單用前輪似乎仍可以達到比較短的煞車距離呢
?
小弟才疏學淺,若有錯誤還請板友指證,謝謝!
--
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