官網上308的介紹裡寫道"308得利於極佳的車身抗扭曲剛性0.73mrd

去另外一個網站則寫說"...The 207 benefits from an excellent body torsional rigidity of 0.8 mrd / 100 mdaN..."

請問各位大大這怎樣用白話解釋啊? 專有名詞實在看不懂...
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我不是專家,所以我也不是很懂
不過就我所知,因為歐洲車廠較注重車體剛性
所以會有歐洲車底盤較Q,操控較佳的印象
因為懸吊可改,剛性要加強可是大學問
懸吊改硬,如果車體強度不足,只有從板金撕裂
還是沒有辦法達到過灣操控的改善
是說車架的強度吧,數字越小的應該是強度越高
我也不是很了解, 只知道跟操控有關係.
以下是從網路 Google 到的, 可以參考

BMW Mini (2003) 24,500 Nm/deg
Chrysler Durango: 6,800 Nm/deg
Chrysler Sebring (convertible): 4400 Nm/deg
Ferrari F50: 34,600 Nm/deg
Ford Mustang (2003): 16,000 Nm/deg
Ford Mustang (2005): 21,000 Nm/deg
Honda S2000: 7100 Nm/deg
Lotus Elise 111s: 11,000 Nm/deg
Mazda Rx-8: 30,000 Nm/deg
Mazda Rx-7: ~15,000 Nm/deg
Peugeot 407 coupe: 24,582 Nm / degree
Peugeot 207: 21,820 Nm / degree
Porsche 911 Turbo (2000) 13,500 Nm/deg
Porsche Carrera GT: 26,000Nm/degree
Volvo S80: 18600 Nm/deg

至於 Nm/degree 跟 MRD 怎麼互相轉換, 我就莫宰羊了~
找到了一些 另外 車身輕的車 剛性應該不需要跟 重的車 一樣好

Aston Martin DB9 Cut: 27,000 Nm/degré
Aston Martin DB9 cabrio: 15,500 Nm/degré

Audi A2: 11,900 Nm/degré
Audi A8: 25,000 Nm/degré
Audi TT Coupé: 19,000 Nm/degré
Audi TT Roadster: 10,000 Nm/degré

BMW E36 Touring: 10,900 Nm/degré
BMW E36 Z3: 5,600 Nm/degré
BMW Z4: 14,500 Nm/degré
BMW z4 crossed: 32,000 Nm/degré
BMW E46 Sedan (w/o folding camera seats) 18,000 Nm/degré
BMW E46 Sedan (w/folding seats) 13,000 Nm/degré
BMW E46 Coach (w/folding seats) 14,000 Nm/degré
BMW E46 Cut (w/folding seats) 12,500 Nm/degré
BMW E46 Cut cabrio: 10,500 Nm/degré
BMW E90: 15,625 Nm/degré - 22,500 Nm/degré
BMW X5 (old): 23,500 Nm/degré
BMW X5 (new): 27,000 Nm/degré
BMW Series 7:35,000 Nm/degré

BMW Z4M coupe: 32,000Nm/degree

Bugatti Veyron: 60,000 Nm/degré

Chevrolet Cobalt: 28 Hz

Chrysler Crossfire: 20,140 Nm/degré
Chrysler Durango: 6,800 Nm/degré
Chrysler LX sedan: 17,897 Nm/degré

Dodge Viper Cut: ~12,000 Nm/degré
Dodge Viper GTS-R: 25,082 Nm/degré
Dodge Viper Cut: 7,600 Nm/degré
Dodge Neon 1st gen: 8,300 Nm/degré
Dodge Neon: 6,000 Nm/degré

F1 modern: 15,000 Nm/degré - 40,000 Nm/degré

Ferrari F360 Modena: 14,439 Nm/degré
Ferrari F360 Spider: 8,500 Nm/degré
Ferrari 430:17,330 Nm/degré
Ferrari 430 cabrio: 10,200 Nm/degré
Ferrari 550 Barchetta: 10,850 lb-ft/degree
F50 Ferrari: 34,573 Nm/degré - 34,600 Nm/degré

Ford Mustang 2003:16,000 Nm/degré
Ford Mustang 2005:21,000 Nm/degré
Ford Mustang 2003 cabrio: 4,800 Nm/degré
Ford Mustang 2005 cabrio: 9,500 Nm/degré
Ford GT40 MkI: 17,000 Nm/degré
Ford WP: 27,100 Nm/degré

Honda S2000: ~22,000 Nm/degré

Jaguar XK Coupe 4.2 V8: 29,600 Nm/degré
Jaguar XK cabrio 4.2 V8: 15,300 Nm/degré
Jaguar Sedan X-Type: 22,000 Nm/degré
Jaguar Estate X-Type: 16,319 Nm/degré

Koenigsegg CC-8: 28,100 Nm/degré
Koengisegg CC8S: 28,100 Nm/degré

Lambo Murcielago: 20,000 Nm/degré
Lambo Gallardo: 23,000 Nm/degré - 23,048 Nm/degré

Lotus Dash: 7,900 Nm/degré
Lotus Dash GRP body: 8,900 Nm/degré
Lotus Turbo Spirit SE: 5,850 Nm/degré
Lotus 33:3,253 Nm/degré
Lotus Elects: 10,500 Nm/degré - 10,000 Nm/degré
Lotus Elects 111s: 11,000 Nm/degré
Lotus Elects S2 Exige 2004:10,500 Nm/degré
Lotus-STP Indy bus 1965:4,067 Nm/degré

Mazda X-ray-7: ~15,000 Nm/degré
Mazda RX-8: ~30,000 Nm/degré
Mazda NA and NB: 6,000 Nm/degré
Mazda Miata NC: 8,800 Nm/degré

McLaren F1: 13,500 Nm/degré
McLaren Mallite 1966:13,558 Nm/degré

Mercedes-Benz SL 2006 signal down: 17,000 Nm/degré
Mercedes-Benz SL 2006 signal up: 21,000 Nm/degré

MG ZT: 24,000 Nm/degré
MGF: 7,100 Nm/degré
MGTF: 8,500 Nm/degré

Minis (2003): 24,500 Nm/degré
Minis Cooper cabrio: 9,000 Nm/degré

Pagani Zonda C12 S: 26,300 Nm/degré
Pagani Zonda S: 26,300 Nm/degré

Porsche 911 Turbo 996:27,000 Nm/degré
Turbo Porsche 911 996 cabrio: 11,600 Nm/degré
Porsche 911 Turbo 2000:13,500 Nm/degré
Porsche 911 Will square Standard 997:33,000 Nm/degré
Porsche 959:12,900 Nm/degré

Renault Spider Sport: 10,000 Nm/degré

Rolls Royce Phantom: 40,000 Nm/degré

Saab 9-3 SportCombi: 21,000 Nm/degré

SEAT Cupra Sport Ibiza (ralley): 35,928 Nm/degré

SPT-Paxton turbo Indy bus 1967:47,453 Nm/degré

Superperformance Crosses: 8,134 Nm/degré

Volvo S60: 20,000 Nm/degré
Volvo S80: 18,600 Nm/degré

VW Fox: 17,941 Nm/degré
VW Golf V GTI: 25,000 Nm/degré
VW Passat: 32,400 Nm/degré
VW Tuareg: 36,900 Nm/degré
Jaku 峠
是不是這樣算呢??
可是這樣輸 GOLF V GTI.......
mrd = 0.001 rd , 1 rd = 180/3.1416 deg
mrd = 0.0573 deg (度)
daN = deca N = 10 N
mdaN = 10 Nm (牛頓-米,扭矩單位)
所以
1 mrd/100mdaN = 0.0573/1000 deg/Nm = 0.0000573 deg/Nm
0.8 mrd/100mdaN =>> 1/(0.8*0.0000573) Nm/deg = 21,815 Nm/deg
Forktail wrote:
是不是這樣算呢??可...(恕刪)


大大要不要換算 EVO IX 跟 EVO X

Torsional rigidity (MNm2/rad)

EVO X : 4.3

EVO IX : 3.1

Bending rigidity (MNm2/rad)

EVO X : 5.4

EVO IX : 3.3
Jaku 峠
Jaku wrote:
大大要不要換算 EV...(恕刪)

MNm2不是扭矩單位
多乘了一個長度單位
應該是不同的物理量
所以....不知道怎麼換算
那308應該是23906Nm/deg囉!那蠻硬的,跟一些德國車差不多
先感謝各位提供的詳細資料 另唸文組的小弟大開眼界!


Cloudy Shiau wrote:
我不是專家,所以我也...(恕刪)


難怪大家都嫌以前國產喜美的剛性不足 要大肆改裝...


jhwang107 wrote:
我也不是很了解, 只...(恕刪)

Jaku wrote:
找到了一些 另外 車...(恕刪)


感謝兩位提供的車體剛性範例以作對照 不知道資料來源?


Forktail wrote:
是不是這樣算呢??
...(恕刪)


雖然計算過程看的霧煞煞 但大大的解說就是我要的答案 太感激了
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