下一代 Subaru Tribeca 將採用Toyota Highlander底盤


Pachilla wrote:
以 Legacy (...(恕刪)


在純理論的領域,多連桿的接地效果確實是優於雙A臂。但在實際的路試當中,有些號稱多連桿懸吊的車,開起來並沒有特別高明。
所以懸吊不能光看幾何圖形,還要視實際上路的表現才準。小弟之前也買過前多連桿的車,過彎不要說想贏雙A臂了,很多時候連麥花臣甚至是後拖曳臂都贏不了。

nagasitori wrote:
在純理論的領域,多連桿的接地效果確實是優於雙A臂。但在實際的路試當中,有些號稱多連桿懸吊的車,開起來並沒有特別高明。
所以懸吊不能光看幾何圖形,還要視實際上路的表現才準。小弟之前也買過前多連桿的車,過彎不要說想贏雙A臂了,很多時候連麥花臣甚至是後拖曳臂都贏不了。


我沒有認定5代操控不如4代.

只是以單純工程面來看多連桿 -> 雙A臂是一種 Down Grade.
素八滷 福斯的車價 水貨車的保固 賓士的零件價格 法拉利的待料時間
Pachilla wrote:
我沒有認定5代操控不...(恕刪)


雖然SUBARU對外稱之為雙A臂,但也有人叫目前五代雷的後懸吊為多連桿,因為它是從三、四代的多連桿進化過來的,而且比起舊設計追加了一枝連桿。所以小弟覺得不能算是DOWN GRADE,應該是更成熟的進化型才對。
*因為五代雷的後下擺臂不是一個單純的A臂,而是分成LOWER LINK跟TRAILING LINK,所以也算是多連桿的一種。因此有人稱3~5代雷的後懸吊為「改良自雙A臂的多連桿懸吊」。
nagasitori wrote:
雖然SUBARU對外稱之為雙A臂,但也有人叫目前五代雷的後懸吊為多連桿,因為它是從三、四代的多連桿進化過來的,而且比起舊設計追加了一枝連桿。所以小弟覺得不能算是DOWN GRADE,應該是更成熟的進化型才對。


目前5代的下支臂跟 Toe Link 是獨立的,算是多連桿的設計

但是上支臂變A臂,只提供輪胎固定的上下活動範圍, 缺乏多4代單點式上臂可容許的360度活動範圍,

基本上屬於雙A臂的功能沒錯.

素八滷 福斯的車價 水貨車的保固 賓士的零件價格 法拉利的待料時間

02 Forester S wrote:
Next Toyot...(恕刪)


會不會在3-4年後小弟換車時,要趕在6代雷上市前把5代雷娶回家??!!

其實比較想的是outback啦,只是不敢想像若camry底盤弄成outback的話,會不會比在浪大時搭台東去綠島的船還晃??

02 Forester S wrote:
Next Toyot...(恕刪)



1/4 The Tribeca- another chance by becoming a sibling of the Toyota Highlander?
'Toyota is studying how to more closely converge its products with Subaru, and might share its next-generation Highlander midsize crossover platform with the Tribeca. The two have similar dimensions, notes a source familiar with the tie-in.

As always with Subaru, the sticking point is how to share a platform that would use a longitudinally mounted boxer engine, in the case of the Tribeca, with a transverse-mounted engine, as in the Highlander. The platform also will have to accommodate a hybrid version of the Highlander, and it's a good bet the system would be adapted to the pancake-engine Tribeca.

Toyota tackles the problem with the upcoming FT-86 rear-wheel-drive sports coupe by going with a Subaru pancake engine -- the STI's 305-horsepower, 290 pound-foot version of the 2.5-liter turbo four, our source says. Earlier reports had the FT-86 launching with less-powerful Subaru engines. Toyota's development costs have ballooned, however, and the FT-86 is now seen as a mid-$20s car rather than a sub-$20,000 car. Subaru's version of the 086A, as the project is known, is still scheduled for 2013 model year introduction and will likely be sold with all-wheel drive only, as part of its differentiation from the Toyota.

Subaru is leading development of the 086A, while the converged crossover platform looks to be more of a Toyota project. To accommodate both types of engines, the platform could be the same from the A-pillar back, but would need a different floorpan from the firewall forward. Subaru's flat engines require specific solutions for crash standards.


As for the crossover/utility vehicles, both the Camry-based Toyota Highlander and the slow-selling Subaru Tribeca are due for replacement in the 2014 model year."

http://www.motortrend.com/features/auto_news/2011/1101_toyota_extending_subaru_product_sharing_to_highlander_tribeca/index.html



02 Forester S wrote:
1/4 The Tr...(恕刪)


對大車來說,要跟水平對臥引擎共用底盤的機率是比較高,因為引擎可以改為縱置。但這種作法還要遷就水平對臥引擎的寬度,連帶降低了前懸吊的設計自由度。
以HIGHLANDER的定位來說,跟TRIBECA一起用前麥花臣是沒什麼問題,因為SUV的底盤就是強調簡單耐用。
但對於中小型車來說,水平對臥縱置跟L4橫置的共通需求低,共用底盤只會徒增雙方困擾。就算同樣是縱置引擎的車款,SUBARU AWD的引擎位置也會比一般FR車更前面,連帶影響到那前後配重表現。
nagasitori wrote:
對大車來說,要跟水平...(恕刪)


不太了解!? 水平引擎應沒橫置與縱置問題,應都是縱置
L4橫置加變速箱的寬度也與水平對臥引擎差不多寬


nagasitori wrote:
SUBARU AWD的引擎位置也會比一般FR車更前面...(恕刪)


前置也都差不多這樣,我倒覺得AUDI A4等比較前面,好前置,好像是前輪中心點之前,好似VW都是

wei5712 wrote:
不太了解!? 水平引擎應沒橫置與縱置問題,應都是縱置水平對臥縱置跟
L4橫置加變速箱的寬度也與水平對臥引擎差不多寬


引擎扭動的方向不同, 另外一般 FF 車沒有保留縱置變速箱的空間, 所以車體結構設計差異慢大的,


wei5712 wrote:
前置也都差不多這樣,我倒覺得AUDI A4等比較前面,好前置,好像是前輪中心點之前,好似VW都是


Subaru 的前差在前輪軸後面. 所以引擎可以往後移動一點. 但是前傳動軸跟哈母就無法垂直

新的 QUATTRO 的前差被移動到離合器前面,所以新 A4 B8 的前輪可往前移動了超過 10 公分改善配重
素八滷 福斯的車價 水貨車的保固 賓士的零件價格 法拉利的待料時間

wei5712 wrote:
不太了解!? 水平...(恕刪)



如果未來ALTIS要跟IMPREZ共有底盤,那原本可以貼著防火牆放的橫置L4就得遷就縱置H4的設計。因為H4是寬而扁,L4是窄而高,所以就算橫置L4加變速箱後的寬度跟縱置H4相近,在撞擊安全性跟周邊配置的考量上兩者還是不會相同。
如果需要各自重新設計的比例太高,那這樣的一個共用計畫,COST DOWN效果應該有限。
如果是跟TOYOTA縱置引擎的AWD車共用底盤,那難度或許較低。但如果要用在FR車身上,那SUBARU AWD平台是做不到前中置的,最後吃虧的會是TOYOTA。
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