fit 油電版 巿區油耗39.5km/l - Toyota
By Quintina
at 2021-12-26T03:00
at 2021-12-26T03:00
Table of Contents
→ Charles0421 : 所以推文的意思是只有honda的車子充電時引擎在最佳12/26 02:12
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→ Charles0421 : 不然兩者純電行駛後沒電都要充電有什麼差別呢?12/26 02:12
差別在於 誰用電的「量越多 區間越多」 就越省
一公升汽油 大概是 3.3萬 KJ (千焦耳)
一度電大約是 3600 KJ
也就是說一公升汽油 理論上能轉換成9.16度電
但因為內燃機轉換效率差 頂的大概就40-43%
馬達大概90%
理想狀態 一公升汽油約能發3.x度電
經過些損耗 實際上可能只有2.8度電/L(粗算)
那麼誰能讓這2.8度電 用越多就越省
引擎用得多的就越輸
總之這部分的轉換 大家都一樣
那一度電能跑多少公里?
之前看過很多白人的影片
他們把 model 3 LR 充滿電測試跑多遠
tesla官方說 LR能跑 610km
LR電池包 是75度電 扣掉系統鎖住10%
所以能用68度電
有幾個白人跑出 900-1000km
還有人跑掉接近 1200km
也就是說 一度電 能跑14- 17 km
而且這還是
1850kg+ 駕駛重量 400匹馬力的級距
一度電若用3元算
30元 可以跑170公里
而fit 是1200kg 馬力才100多
極端值 一度電或許能跑個 21 23
那剛剛說 一公升能產生2.8度電
最極端情況下 一度電或許能跑60多km
當然這都是極端情況粗算
這也是為何10多年前就 有日本人用老舊的 prius2
一整桶油 能跑出 46km/L 的成績(真實數字)
跑出超扯成績 完全是可能的
只要燃油引擎動得越輕微
電用的越多
(當然還有路況車速等風阻 係數 輪子等因素)
本田的結構比較更往電系靠攏
豐田的設計是較均勻
但因為fit馬達只是80kw的買菜車等級
Model3 是 200kw -430kw的馬達
高階EV 能覆蓋更多時速
所以高速下fit的耗能會比較差
除非fit把馬達升級 能覆蓋更高轉速
或是弄個兩速變速箱 來適應高速
但顯然成本考量 不可能
低速下 fit 靠攏更多的電系就佔了優勢
低速下 39km/L 我認為都是低估
超級極限測試 50 60或許都可能發生
下圖是香港 辦的 路人 油耗比賽
普通人第一次開都能跑出38
https://i.imgur.com/3SkO5nQ.jpg
https://i.imgur.com/FWsX2GT.jpg
https://i.imgur.com/q56ZmIX.jpg
大家都知道 正常開車不可能這樣
就只是單純討論 「極端值」
--
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