[ZT] 车身抗扭刚性
6586 66
[8 楼] Zippo [陈年泡菜]
09-11-27 19:01
为什么法拉利、FORD MUSTANG和LOTUS这么差?不过VW真技术过剩
[7 楼] filters [陈年泡菜]
09-11-27 18:54
VW Golf V                               25,000 Nm/deg
VW Golf V GTI                           25,000 Nm/deg
VW Passat                               32,400 Nm/deg
VW Polo                                 19,000 Nm/deg

传说中的“底盘扎实”?
[6 楼] robin888 [资深泡菜]
09-11-27 17:34
很感兴趣
好像这个数据厂家是从来不提的 每次只是说比上代提升了多少 楼主的引用数据来源可能不可靠
[5 楼] 大迷糊 [老坛泡菜]
09-11-27 17:24
Space Frame:                             1,356 Nm/deg

孤陋寡闻,这是什么车?
[4 楼] 原版咕咚 [资深泡菜]
09-11-27 17:18
原文由 dongdong603 在2009-11-27 16:55发表
如果要谈这个的话,直接来非承载车身算了。


vw 声称 touareg 的 36900 Nm/deg 达到甚至超过了大多数非承载式车身的抗扭刚性。

看 ssss 做活动途锐表演的时候,除了45 度爬坡 30 度侧倾之类的,还经常在大石堆或炮弹坑演示对角线两轮着地时开关各个车门,貌似挺强悍的。
[3 楼] 望远镜 [陈年泡菜]
09-11-27 17:02
VW Passat\ Ferrari F50\BMW 7 帕萨特竟然和BMW7差不多?
[2 楼] dongdong603 [陈年泡菜]
09-11-27 16:55
如果要谈这个的话,直接来非承载车身算了。
[1 楼] 原版咕咚 [资深泡菜]
09-11-27 16:06
转自爱卡 http://www.xcar.com.cn/bbs/viewthread.php?tid=11009725&extra=page%3D1

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车身抗扭刚度

早在2004年,混在TOM汽车论坛的时候,我就发表过一些关于白车身对被动和主动安全很重要的贴子,其中提到了发现3的静态抗扭刚度为19000Nm/deg,不过那时候我没有收集太多数据,只是提到一般车的水平都是在1万“牛·米/度”以下。

[code]
Alfa Romeo 159                          31,400 Nm/deg
Alfa Romeo Spider                       11,200 to 13,000 Nm/deg (depending on the roof opened or closed)
Aston Martin DB9 Convertible            15,500 Nm/deg
Aston Martin DB9 Coupe                  27,000 Nm/deg
Audi A2                                 11,900 Nm/deg
Audi A8                                 25,000 Nm/deg
Audi TT                                 10,000 Nm/deg (22Hz)
Audi TT Coupe                           19,000 Nm/deg
Audi TT Coupe(2007)                     28,500 Nm/deg
Bentley Continental GTC                 Dyna. 30Hz (an incredible figure for a convertible)
BMW 7 series                            35,000 Nm/deg
BMW E36 Touring                         10,900 Nm/deg
BMW E36 Z3                               5,600 Nm/deg
BMW E46 Convertible                     10,500 Nm/deg
BMW E46 Coupe (w/folding seats)         12,500 Nm/deg
BMW E46 Sedan (w/folding seats)         13,000 Nm/deg
BMW E46 Sedan (w/o folding seats)       18,000 Nm/deg
BMW E46 Wagon (w/folding seats)         14,000 Nm/deg
BMW E90                                 25% higher than E46
BMW New X5                              27,000 Nm/deg (Mixed Material Concept)
BMW X5                                  23,500 Nm/deg
BMW Z4                                  14,500 Nm/deg (Dyna. 21Hz)
BMW Z4M Coupe                           32,000 Nm/deg (all contributed by the fixed metal roof)
BMW Z4M Roadster                        16,000 Nm/deg
Chevrolet Cobalt                        Dyna. 28 Hz
Chrysler Crossfire 2007                 20,140 Nm/deg (exceptionally)
Chrysler Durango                         6,800 Nm/deg
Chrysler LX sedan                       17,897 Nm/deg
Chrysler Sebring 2007                   24,275 Nm/deg
Current F1 cars                         15,000 - 40,000 Nm/deg
Dodge Neon                               6,000 Nm/deg
Dodge Viper Coupe                        7,600 Nm/deg
Ferrari 355                             10,035 Nm/deg (bending:   727 kg/mm)
Ferrari 360                             14,445 Nm/deg (bending: 1,032 kg/mm)
Ferrari 360 Modena                     ~21,680 - 23,000 Nm/deg
Ferrari 360 Modena Spider              ~13,008 - 13,800 Nm/deg
Ferrari 360 Spider                       8,500 Nm/deg
Ferrari 430                             17,334 Nm/deg
Ferrari 430                            ~26,016 - 27,600 Nm/deg
Ferrari F50                             34,570 Nm/deg
Ferrari F50                             34,600 Nm/deg
Fiat Grande Punto 3-door                19,700 Nm/deg
Fiat Grande Punto 5-door                16,500 Nm/deg
Ford GT                                ~29,000 - 30,352 Nm/deg
Ford GT                                 27,100 Nm/deg
Ford GT40 MkI                           17,000 Nm/deg
Ford Mustang 2003                       16,000 Nm/deg
Ford Mustang 2005                       21,000 Nm/deg
Ford Mustang Convertible (2003)          4,800 Nm/deg
Ford Mustang Convertible (2005)          9,500 Nm/deg
Jaguar XK Conv. 4.2 V8                  15,300 Nm/deg
Jaguar XK Coupe 4.2 V8                  29,600 Nm/deg
Jaguar X-Type Estate                    16,319 Nm/deg
Jaguar X-Type Sedan                     22,000 Nm/deg
Koengisegg CC8S                         28,100 Nm/deg
Koenigsegg CC-8                         28,100 Nm/deg
Koenigsegg CC8S                         28,100 Nm/deg
Lamborghini Gallardo                    23,048 Nm/dege
Lamborghini Gallardo Coupe              28,000 Nm/deg
Lamborghini Murcielago                  20,000 Nm/deg
Lotus 33                                 3,253 Nm/deg
Lotus Elan                               7,900 Nm/deg
Lotus Elan GRP body                      8,900 Nm/deg
Lotus Elise                             10,000 Nm/deg
Lotus Elise                             10,500 Nm/deg
Lotus Elise 111s                        11,000 Nm/deg
Lotus Elise S2 Exige (2004)             10,500 Nm/deg
Lotus Esprit SE Turbo                    5,850 Nm/deg
Lotus-STP Indy car 1965                  4,067 Nm/deg
Magna Steyr MILA Concept                 9,250 Nm/deg
Mallite McLaren 1966                    13,558 Nm/deg
Mazda Miata NC                           8,800 Nm/deg
Mazda NA and NB                          6,000 Nm/deg
Mazda Rx-7                             ~15,000 Nm/deg
Mazda Rx-8                              30,000 Nm/deg (hard to believe)
McLaren F1                              13,500 Nm/deg
MG ZT                                   24,000 Nm/deg
MGF                                      7,100 Nm/deg
MGF                                      7,100 Nm/deg
MGTF                                     8,500 Nm/deg
Mini (2003)                             24,500 Nm/deg
MINI Cooper Convertible                  9,000 Nm/deg
MX-5 (mk1)                               6,000 Nm/deg (approx)
MX-5 New 2006                            8,800 Nm/deg
Pagani Zonda C12 S                      26,300 Nm/deg
Pagani Zonda S                          26,300 Nm/deg
Pagani Zonda S 7.3                      26,300 Nm/deg
Porsche 911 Turbo (2000)                13,500 Nm/deg
Porsche 911 Turbo 996                   27,000 Nm/deg
Porsche 911 Turbo 996 Convertible       11,600 Nm/deg
Porsche 911 Turbo non-conv              27,000 Nm/deg
Porsche 959                             12,900 Nm/deg
Porsche 996 Turbo Convertible           11,600 Nm/deg
Porsche Cayman                          31,500 Nm/deg
Renault Sport Spider                    10,000 Nm/deg
Rolls Royce Phantom                     40,000 Nm/deg
Saab 9-3 Sedan 2008                     22,000 Nm/deg
Saab 9-3 SportCombi                     21,000 Nm/deg
Saab New 9-3 Convertible                11,500 Nm/deg
SPT-Paxton turbo Indy car 1967          47,453 Nm/deg
Superperformance Coupe                   8,134 Nm/deg
Viper Coupe                            ~12,000 Nm/deg
Viper GTS-R race car                    25,082 Nm/deg
Volvo S60                               20,000 Nm/deg
Volvo S80                               18,600 Nm/deg
VW Bugatti Veyron                       60,000 Nm/deg (Highest)
VW Fox                                  17,941 Nm/deg
VW Golf 4 Door(1980)                     4,900 Nm/deg (BIW from old car)
VW Golf V                               25,000 Nm/deg
VW Golf V GTI                           25,000 Nm/deg
VW Passat                               32,400 Nm/deg
VW Polo                                 19,000 Nm/deg
VW SEAT Cupra Sport Ibiza (Rally car)   35,928 Nm/deg
VW Touareg                              36,900 Nm/deg (Very good)
F1:
Space Frame:                             1,356 Nm/deg
Lotus 25:                                3,254 Nm/deg
First aluminum monocoques:               6,102 - 8,136 Nm/deg
First carbon monocoque (Mclaren MP4/1): 19,662 Nm/deg
Carbon fibre monocoques (nowadays):     29,832 - 32,522 Nm/deg
F2000:                                  24,496 Nm/deg
[/code]

下面列出部分数据来源:
http://www.aa.washington.edu/faculty/feraboli/papers/roadster.pdf
http://www.worldcarfans.com/2061109.003/page10/new-bmw-x5-in-depth
http://forum.racesimcentral.com/showthread.php?t=210895
http://www.christianphilippsen.com/EnglishVersion/ColumnNissan.htm
http://www.mgf.ultimatemg.com/group2/body/index.htm

Rolls Royce的Phantom,用沉重的车身换来了4万牛·米/度的静态抗扭刚度,这是一个相当高的值,也是一个不得不提高的值,因为它的车身很重,马力很强劲。

德国大众研发的1001匹马力怪兽“布加迪·威龙”,为了能够跑到400km/h,竟然造出了6万牛·米/度的恐怖级车身!!!

大众途锐的车身有3万7千牛·米/度的静态抗扭刚度,而且这个值是用承载式车身创造出来的。看来,保时捷卡宴和奥迪Q7看来也有福了(因为同源的关系)
●BMW的7系虽然很大又长,但是其静态抗扭刚度也达到了3万5千牛·米/度,对于这样大的一个车身,这个数值是很优秀的。

●宾利的大陆GT convertible,动态抗扭刚度是30Hz,这对一款convertible来说是一个令人吃惊的数据。(参见http://www.worldcarfans.com/2060412.008/page4/bentley-continental-gtc-in-depth)

●马自达RX-8的静态抗扭刚度比RX-7增加了100%,达到了3万牛·米/度,这也是唯一能在网上查到的日本车的静态抗扭刚度数据了。还有一个相关的消息是Nissan 350Z,一个试车的法国人问到了静态抗扭刚度数据,但是没有得到回答。我觉得我特别能够理解这个法国人的想法,因为350Z早些年的款型,车身实再是不够结实,最后只能在后行李箱里加装了一块“门”型的铝合金加强筋(新款解决了此问题,此高级“毛巾架”再也不会出现了),当时国内的一些试车记者不知此为何物,还特意吹捧,拿着相机大拍特拍——估计日产公司的工程师们要是看到了这些报道,不知道该作何感想?

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