為什麼速克達一定要設定在高轉? - 機車
By Quanna
at 2017-06-05T22:34
at 2017-06-05T22:34
Table of Contents
剛剛騎車回家
突然想到這個問題....
平平都是汽油引擎
為什麼機車引擎硬是要高轉設定呢?
如果說是因為車重跟馬力的關係
那麼一台125cc的速克達設定他125kg好了
乘上10倍
車重變成1250kg 排氣量差不多一千三
沒掛渦輪
馬力用GP的10匹來算就好了
乘上10倍也差不多是100匹
比一比
應該也差不多是一台10幾年前汽車的數據了啊
現在的汽車引擎跟變速箱科技好
時速100的時候轉速可以不用2000轉
不用比到這麼嚴苛
拿以前的來比
20年前的小轎車在時速100的時候轉速也約莫在3000多轉
可是速客達
轉速3000可能離合器都還沒接合....
甚至有些轉速都要6000了時速也才到50
轉速那麼高
那油耗當然是只能在三級四級打轉呀....
跟本打不到汽車的一級油耗
為什麼不要也跟汽車的設定一樣
也是低轉就可以達到高速呢
如果說是因為CVT效率不彰
可是自排汽車的扭力轉換器效率不也是不遑多讓嗎
當然
我知道可能詳細的引擎設計力學熱學那些的一定不只我這種智障的乘法這麼簡單
而且在最上面的計算 駕駛的重量我也沒有估計進去
不然可行的話
各大廠能做的話應該也早就做出來了吧(???咦???會嗎XDDD
我也不是學這方面的人所以不懂
不過還是想上來問問有沒有比較了解的大大可以淺顯易懂的說明一下XDD
為什麼機車的轉速一定要定的這麼高呢???
--
突然想到這個問題....
平平都是汽油引擎
為什麼機車引擎硬是要高轉設定呢?
如果說是因為車重跟馬力的關係
那麼一台125cc的速克達設定他125kg好了
乘上10倍
車重變成1250kg 排氣量差不多一千三
沒掛渦輪
馬力用GP的10匹來算就好了
乘上10倍也差不多是100匹
比一比
應該也差不多是一台10幾年前汽車的數據了啊
現在的汽車引擎跟變速箱科技好
時速100的時候轉速可以不用2000轉
不用比到這麼嚴苛
拿以前的來比
20年前的小轎車在時速100的時候轉速也約莫在3000多轉
可是速客達
轉速3000可能離合器都還沒接合....
甚至有些轉速都要6000了時速也才到50
轉速那麼高
那油耗當然是只能在三級四級打轉呀....
跟本打不到汽車的一級油耗
為什麼不要也跟汽車的設定一樣
也是低轉就可以達到高速呢
如果說是因為CVT效率不彰
可是自排汽車的扭力轉換器效率不也是不遑多讓嗎
當然
我知道可能詳細的引擎設計力學熱學那些的一定不只我這種智障的乘法這麼簡單
而且在最上面的計算 駕駛的重量我也沒有估計進去
不然可行的話
各大廠能做的話應該也早就做出來了吧(???咦???會嗎XDDD
我也不是學這方面的人所以不懂
不過還是想上來問問有沒有比較了解的大大可以淺顯易懂的說明一下XDD
為什麼機車的轉速一定要定的這麼高呢???
--
Tags:
機車
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