最大馬力421匹,M-AMG推出全新2.0四缸引擎 - 汽車
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By Irma
at 2019-06-08T13:30
at 2019-06-08T13:30
Table of Contents
原文連結:
http://bit.ly/2I4fMr1
原文內容:
最大馬力421匹,Mercedes-AMG推出全新2.0升4缸引擎
市售車搭載的 2.0 升 4 缸引擎能夠輸出多大馬力,是 150 匹?200 匹或 300 匹?
Mercedes-AMG 給出了一個有些瘋狂的答案,推出了全新 2.0 升 4 缸雙渦流渦輪增壓引
擎,代號為 M 139,最大馬力一舉推上了 421 匹,扭力輸出也高達 51 公斤米,成為量
產車用最強 2.0 升引擎。未來將會做為 AMG 45 系列的動力系統,搭載於旗下性能小型
車上。
Mercedes-AMG 推出的新引擎,排氣量雖然只有 2.0 升,但卻搾出 421 匹驚人馬力。
為了製造 M 139 新引擎,Mercedes-AMG 位於 Affalterbach 的組裝工廠特地建造了一條
全新產線。引擎組裝採用全人工製程,並且重新拾回「一人一引擎」的制度,每具引擎都
有一位師父從頭到尾組裝,並且會在引擎上簽名以示負責。乍看之下在這個高度工業化時
代,此一做法或許有落伍嫌疑。然而實際上,透過工業 4.0 技術協助,不但兼顧純手工
組裝的細膩,同時也沒有損失速度與精度。
一人一引擎的理念,讓專業技師能夠從頭到尾負責。
要從 2.0 升引擎裡面壓榨出 421 匹馬力,必須要透過多項技術搭配,首先是反置引擎設
計。這並非什麼新技術,相對於傳統引擎排氣在前進氣在後,反置引擎是改為進氣在前排
氣在後。好處在於可以縮短進排氣岐管長度,無須繞過引擎本體,而且進氣在前能更妥善
利用車頭撞風效應,因此有效提升引擎運作效率。
全新雙渦流增壓渦輪使用強化軸承,在引擎低轉速時能提供靈敏反應,高轉速時則能提供
強大性能。雙渦流設計代表著渦輪內部氣流管道分為兩組,讓引擎在低轉速就能發揮強悍
扭力。此外,首度改用滾子軸承,大幅減少機件之間的摩擦,結果就是這具渦輪最高轉速
可以達到 169,000 轉,最大增壓則為 2.1bar。
為了生產 M 139 引擎,Mercedes-AMG 還特地開闢了一條新產線
M 139 引擎進行的變更還不只上述那些,另外像是全鋁合金製曲軸箱、加大排氣閥門…等
等。都讓這具新引擎能夠擁有和 AMG 其他系列引擎能夠媲美的動態反應還有性能輸出。
可以預料,未來小型車 AMG 產品都會換上 M 139 引擎。比如說即將亮相的 GLB,預料
GLB 45 就會使用 M 139 引擎。
心得/說明:(30字以上)
Mercedes-AMG A45 就是貨真價實的小鋼砲,現在新引擎把動力提升到最大421匹
補充一些國外新聞有這篇沒寫的東西
M139 1991cc 單渦輪增壓引擎為160.5kg,紅線為7200rpm,壓縮比為9.0:1
最大增壓為1.9 bar;有16個閥門、8個用於進氣
基本款可以在6,500rpm 時產生387hp,在4,750 ~ 5,000rpm 時產生480Nm
S 版引擎則是421hp(6,750rpm)和500Nm(5,000 ~ 5250rpm)
此時最大增壓來到2.1 bar
官方介紹影片:
The All-New AMG 2.0-litre Four-Cylinder Turbo Engine (M 139)
https://youtu.be/MdMQ4OjbYng
--
https://i.imgur.com/60khZxi.jpg
https://i.imgur.com/3YhAuMC.gif
--
Tags:
汽車
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