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Funny: This is what happens when you have Quattro!

This is a discussion on Funny: This is what happens when you have Quattro! within the Audi Pictures forums, part of the European Car Pictures category; The video of the RS4 is great - it's a fine example of the Swedish flick cornering technique employed to ...

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Old 10-24-2008, 01:20 AM   #41
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Re: Funny: This is what happens when you have Quattro!

The video of the RS4 is great - it's a fine example of the Swedish flick cornering technique employed to get the tail out using the yaw of the vehicle that comes as a result of the polar moment of inertia. Most AWD saloons, even those with rearward biased torque distributions are practically impossible to get into oversteer using only the throttle. Instead, the technique is to flick the car on a trailing throttle and then catch the slide whilst applying corrective steering lock and copious amounts of throttle. The guy driving the RS4 was a pretty good driver.

The lads in the BMW - well that's just another story!
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Old 10-24-2008, 06:05 AM   #42
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Re: Funny: This is what happens when you have Quattro!

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Originally Posted by martinbo View Post
The video of the RS4 is great - it's a fine example of the Swedish flick cornering technique employed to get the tail out using the yaw of the vehicle that comes as a result of the polar moment of inertia. Most AWD saloons, even those with rearward biased torque distributions are practically impossible to get into oversteer using only the throttle. Instead, the technique is to flick the car on a trailing throttle and then catch the slide whilst applying corrective steering lock and copious amounts of throttle. The guy driving the RS4 was a pretty good driver.
Well yes. The old geezer was really hammering the RS4; The part when the car goes to the grass, he pulls the car out and yet manages a sodding great powerslide was really awesome to watch. Shame he plowed the car into the mud pile.

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The lads in the BMW - well that's just another story!
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Old 12-01-2008, 08:51 PM   #43
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Re: Funny: This is what happens when you have Quattro!

I wish to say something on the understeer and oversteer topic
I'm a cart driver in Rotax max challenge and while racing it happens to me to understeer and oversteer the cart is RWD but I can tell you that it doesn't mater RWD or FWD on wet track So.. what to do in situation of loosing grip on front wheels... If the track is wet and you are in a corner you need to steer about 30% hard and the next a little bit more jently(the moment your tire is getting it's grip) if you oversteer on a wide part of the track and you cant trurn your wheel because of other vehicles around you.... You can steer the wheel in basic position... you still dont have enought grip.. then u brake for a thousang of the second then with slow moves with the steering wheel you will get the grip you need and then you can go for the next corner the problem with the understeer is really interisting If the car understeers about 30% you can get back control by lifting your foot of the accelerator but if it's more than 30%(different for all vehicles) if you lift your foot you will loose weight at the rear and you will find more grip with the front wheels and that's not what you want to happen So you need to trottle but not on full trottle, you need to play with the pedal and thats the part where I can't tell you how we do it But basicaly I can tell you that you need to equalize the speed of the rear wheels with the speed of the frame(chassis) That's the moment when the grip is born so you know what to do with the steering wheel in cases like this one, no need to write about it and the other job is done by the pedals

Last edited by mini_cooper4; 12-01-2008 at 09:07 PM.
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