引擎特性與台灣用車環境 - 保養
By Hamiltion
at 2017-01-12T12:53
at 2017-01-12T12:53
Table of Contents
車版的各位高手大家好啊,
就誠如標題所說的,
有鑑於台灣的用車環境多屬走走停停,
並且車流量大,所以低速大扭力的車就非常適合,
就像大家開了就會回不去的柴油車,
那麼我的問題在於汽油雖然也有小排量+渦輪的車,
讓低轉速就有穩定的扭力輸出,
但是渦輪引擎比起一般自然進氣引擎,
保養相對的比較繁瑣吧?
那麼為什麼汽油自然進氣引擎不讓扭力出現在低轉速呢?
一般引擎的最大馬力出現在接近紅線區,
最大扭力則是出現在比最大馬力約少個1~2000轉,
但是平常用車也不會真的油門一拜不是嗎?
就小弟我所知道以前的三菱曾經有過一台,
最大扭力出現在2750rpm的Lancer,
但目前市售車裡也只有Mazda CX-3 2.0g是扭力輸出較早(2800rpm)的。
所以想請教引擎或者是機械高手幫小弟解惑,
引擎不同轉速有不同的出力,
是不是扭力峰值太早出現會造成高轉扭力輸出不夠呢?
但又如同上面的疑問,反正也不是常常油門一拜啊。
那麼為什麼普遍汽油自然進氣引擎都還是設定在高轉才有最大扭力呢?
--
就誠如標題所說的,
有鑑於台灣的用車環境多屬走走停停,
並且車流量大,所以低速大扭力的車就非常適合,
就像大家開了就會回不去的柴油車,
那麼我的問題在於汽油雖然也有小排量+渦輪的車,
讓低轉速就有穩定的扭力輸出,
但是渦輪引擎比起一般自然進氣引擎,
保養相對的比較繁瑣吧?
那麼為什麼汽油自然進氣引擎不讓扭力出現在低轉速呢?
一般引擎的最大馬力出現在接近紅線區,
最大扭力則是出現在比最大馬力約少個1~2000轉,
但是平常用車也不會真的油門一拜不是嗎?
就小弟我所知道以前的三菱曾經有過一台,
最大扭力出現在2750rpm的Lancer,
但目前市售車裡也只有Mazda CX-3 2.0g是扭力輸出較早(2800rpm)的。
所以想請教引擎或者是機械高手幫小弟解惑,
引擎不同轉速有不同的出力,
是不是扭力峰值太早出現會造成高轉扭力輸出不夠呢?
但又如同上面的疑問,反正也不是常常油門一拜啊。
那麼為什麼普遍汽油自然進氣引擎都還是設定在高轉才有最大扭力呢?
--
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