鼓煞煞車力道才是最強的 - 機車
By Yedda
at 2022-10-29T08:47
at 2022-10-29T08:47
Table of Contents
小弟的工作是超超超重形車輛工程師,在此野人獻曝一下:
碟煞有散熱好、熱膨脹後煞車空行程不會上升、機構簡單保養容易、輕量和好排屑等等顯而
易
見的優點,不過理論煞車力的確是有自動煞緊特性的鼓煞較大。那究竟為什麼大家騎車上的
感受剛好相反?
1. 一般機車的鼓煞是簡化版設計,而這種設計會剛好把左右煞車皮的自動煞緊作用(自動
煞緊作用在碟煞沒有,這是鼓煞最大優勢)互相抵
銷,導致鼓煞無法增進煞車力。如果你要有自動煞緊作用,左右兩片煞車皮的施力點要一上
一下,不是靠在一起,或者鼓煞內裝設額外連桿來達到此效果。(因此有古早年代的鼓煞性
能車要裝兩條煞車線,分別拉兩片煞車皮上、下端)
2.但就算沒有自動煞緊作用,應該起碼也要等同碟煞,為何一般速可達鼓煞煞車遠遜碟煞?
問題就在那條鋼索消耗了超多作用力和手感。如果騎後鼓煞用連桿傳遞動力的檔車,就會發
現後鼓煞其實腳感清晰、作用直接又有力,信賴度大增。
供您參考
--
碟煞有散熱好、熱膨脹後煞車空行程不會上升、機構簡單保養容易、輕量和好排屑等等顯而
易
見的優點,不過理論煞車力的確是有自動煞緊特性的鼓煞較大。那究竟為什麼大家騎車上的
感受剛好相反?
1. 一般機車的鼓煞是簡化版設計,而這種設計會剛好把左右煞車皮的自動煞緊作用(自動
煞緊作用在碟煞沒有,這是鼓煞最大優勢)互相抵
銷,導致鼓煞無法增進煞車力。如果你要有自動煞緊作用,左右兩片煞車皮的施力點要一上
一下,不是靠在一起,或者鼓煞內裝設額外連桿來達到此效果。(因此有古早年代的鼓煞性
能車要裝兩條煞車線,分別拉兩片煞車皮上、下端)
2.但就算沒有自動煞緊作用,應該起碼也要等同碟煞,為何一般速可達鼓煞煞車遠遜碟煞?
問題就在那條鋼索消耗了超多作用力和手感。如果騎後鼓煞用連桿傳遞動力的檔車,就會發
現後鼓煞其實腳感清晰、作用直接又有力,信賴度大增。
供您參考
--
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