小柴油車之 單凸 Turbo vs 雙凸可變汽門 - 歐洲車
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By Hazel
at 2010-03-10T20:29
at 2010-03-10T20:29
Table of Contents
不好意思,我想問一個不懂車的問題
人家說柴油車低轉速扭力大就可以很大,單凸輪軸的引擎剛好可以發揮這種特性,
而且成本較低較耐用,
而高轉速無力的部份,可以靠 Turbo 彌補.
而雙凸輪軸的引擎成本比較高,要搭有可變氣門的氣缸才實用.
是這樣嗎?
我看不少雙凸的引擎,也是掛 turbo 啊.
另外有人說如果該引擎有高原峰值輸出的能力,變速段數就不必太多,
所以如果有顆單凸 TDCI 150 匹 的 2.0, 五速變速就可以了?
--
人家說柴油車低轉速扭力大就可以很大,單凸輪軸的引擎剛好可以發揮這種特性,
而且成本較低較耐用,
而高轉速無力的部份,可以靠 Turbo 彌補.
而雙凸輪軸的引擎成本比較高,要搭有可變氣門的氣缸才實用.
是這樣嗎?
我看不少雙凸的引擎,也是掛 turbo 啊.
另外有人說如果該引擎有高原峰值輸出的能力,變速段數就不必太多,
所以如果有顆單凸 TDCI 150 匹 的 2.0, 五速變速就可以了?
--
Tags:
歐洲車
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By Thomas
at 2010-03-13T15:53
at 2010-03-13T15:53
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By Kelly
at 2010-03-17T10:43
at 2010-03-17T10:43
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By Wallis
at 2010-03-19T13:22
at 2010-03-19T13:22
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