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Wheels Handling Olympics - MX-5 NC
http://wheels.carpoint.ninemsn.com.au/DesktopDefault.aspx?ArticleID=1636910&TabID=501060&Alias=wheelsau

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"Try this: first place in the peak lateral G test. Ladies and gentlemen ... a moment of silence for 0.96G. That’s so damn near the theoretical limit of 1.0G it’s academic. Grip doesn’t get better than that, at least without cheating via aerodynamic downforce. Only the Elise and Boxster came close.

A fourth in the slalom was credible, too, with only Boxster and the two WRC specials in front – and only a quarter of a second the spread between all four. Fractionally after – and we mean fractionally – came the Elise.

In a classic David v Goliath battle that pits MX-5 against M3, it’s interesting to note the roadster underdog packs an additional 0.06G worth of cornering potential and a half-second advantage in the slalom. That’s an edge of almost seven percent and two percent respectively. The M3, obviously, obliterates the Mazda everywhere else – and so it would want to."

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http://wheels.carpoint.ninemsn.com.au/DesktopDefault.aspx?ArticleID=1637275&TabID=501060&Alias=wheelsau

Myth-busters

Sometimes it takes a controlled environment and accurate data-gathering methods to dismantle the falsehoods generated by marketing departments and instant experts.



Myth number one: AWD equals more cornering grip

The fact is, it doesn’t. If it did, a front-drive RenaultSport Clio Cup would not out-grip an all-paw Subaru WRX STi in outright cornering – especially considering the hefty ($22K) price disparity. And only 0.01G marked the margin between the ninth-placed WRX STi and the Honda Accord Euro, despite the STi being fitted with what are basically grooved slicks. And the Mazda MX-5 and Lotus Elise – both rear drivers – out-grip the overall winner, the Lancer Evolution IX. What seems pretty clear is that chassis sophistication is more the determinant of outright grip. Getting the chassis tuned for optimal performance by optimising the basic geometry and weight distribution, then fine-tuning the tyre/spring/damper package seems the most critical factor. The real advantage of AWD is the ability for chassis to control and distribute torque, and the more progressive, benign handling characteristics this usually brings.


Myth number two: 4WDs don’t stop

They do, at least if they’re expensive enough. The Porsche Cayenne pulled up from 100km/h in 39.3 metres (17th spot), just behind the supercharged Range Rover Sport (38.9 metres, 16th). Certainly this is towards the back of the field here, but the pair surely represents the most super-sized of quick conveyances available. Yet compared to the most popular cars Australians drive (tested July ’05 in WASP), they’re a photo-finish with the winner of the WASP 100km/h dry brake test, the Mazda 3 (39.7 metres). In fact, both big, heavy upmarket off-roaders pulled up more than a full car length in front of the worst-braking popular car at WASP – the 2.0-litre Lancer ES (46.9 metres). They also beat Prado (42.2 metres) and RWD Territory TX (42.6 metres).
โดย: ton_mct   วันที่: 14 Jul 2006 - 11:28


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โดย: เดช

The real advantage of AWD is the ability for chassis to control and distribute torque, and the more progressive, benign handling characteristics this usually brings.



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ปล ฝรั่งทดสอบได้เปรอะมาก เอา MX-5 มา สลาลอม เทียบกะ M3 แค่ออบเจคทีฟการสร้างรถก้อผิดกันคนละเรื่องแล้ว
วันที่: 14 Jul 06 - 20:18