4汽門與2汽門差異 - 機車

By Ivy
at 2008-08-31T04:33
at 2008-08-31T04:33
Table of Contents
*早上睡醒才發現漏洞百出,所以修改一下 orz*
以同樣化油器來說
2v跟4v的差別就在於進氣量(從化油器來的混合氣)。
以最直觀的角度來看,4v的進氣量,是2v的兩倍(當然,實際上不是
兩倍),所以才會在不同的轉數域有不同的表現
以2v來說,進氣較少,所以低轉的時候就可以達到最佳的燃燒效率
以4v來說,進氣較大,所以在低轉數域的時候,所吸進的油氣無法被
完全燃燒;但等到轉數拉高,燃燒效率會漸漸變好
所以才會有2v低轉有力,起步猛;4v低轉平平,尾速好延伸的說法
--
以同樣化油器來說
2v跟4v的差別就在於進氣量(從化油器來的混合氣)。
以最直觀的角度來看,4v的進氣量,是2v的兩倍(當然,實際上不是
兩倍),所以才會在不同的轉數域有不同的表現
以2v來說,進氣較少,所以低轉的時候就可以達到最佳的燃燒效率
以4v來說,進氣較大,所以在低轉數域的時候,所吸進的油氣無法被
完全燃燒;但等到轉數拉高,燃燒效率會漸漸變好
所以才會有2v低轉有力,起步猛;4v低轉平平,尾速好延伸的說法
--
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機車
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