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Lots of people think that four-wheel drive cars have more of the road holding performance, in fact, they confuse the concept of road holding performance, the biggest difference between the four-wheel drive and two-wheel drive is: FF models will under steer for the wheels idle, then away from the corner, and FR models will drift. Four-wheel drive will not exist the problems above, because each of the wheel, power distribution is automatic, this is related to the performance of the car following mark question, not is road holding performance.
Instead, in the identical type cars, four-wheel drive cars often have more acceleration performance and road holding performance than two-wheel drive; the best example is the audi A4, because the four-wheel drive does better in weight and friction force than two-wheel drive.
Passive four-wheel drive system is used mechanical points move devices such as gear type of torsion induced transmission-Audi's Quattro, or hydraulic power transfer-Porsche's 911 Turbo, the system intervened after the wheels happen idling. And the active four-wheel drive system is through the computerized many disc type clutch to intervention, such as Volkswagen 4 Motion, computer will constantly amount collection and the rotation speed tire and other data, distribute the torsion before the tyre happens idling.:D
 

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fj0716 said:
Lots of people think that four-wheel drive cars have more of the road holding performance, in fact, they confuse the concept of road holding performance, the biggest difference between the four-wheel drive and two-wheel drive is: FF models will under steer for the wheels idle, then away from the corner, and FR models will drift. Four-wheel drive will not exist the problems above, because each of the wheel, power distribution is automatic, this is related to the performance of the car following mark question, not is road holding performance.
Instead, in the identical type cars, four-wheel drive cars often have more acceleration performance and road holding performance than two-wheel drive; the best example is the audi A4, because the four-wheel drive does better in weight and friction force than two-wheel drive.
Passive four-wheel drive system is used mechanical points move devices such as gear type of torsion induced transmission-Audi's Quattro, or hydraulic power transfer-Porsche's 911 Turbo, the system intervened after the wheels happen idling. And the active four-wheel drive system is through the computerized many disc type clutch to intervention, such as Volkswagen 4 Motion, computer will constantly amount collection and the rotation speed tire and other data, distribute the torsion before the tyre happens idling.:D
:shock: Now thats what i call random!
 

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fj0716 said:
Lots of people think that four-wheel drive cars have more of the road holding performance, in fact, they confuse the concept of road holding performance, the biggest difference between the four-wheel drive and two-wheel drive is: FF models will under steer for the wheels idle, then away from the corner, and FR models will drift. Four-wheel drive will not exist the problems above, because each of the wheel, power distribution is automatic, this is related to the performance of the car following mark question, not is road holding performance.
Instead, in the identical type cars, four-wheel drive cars often have more acceleration performance and road holding performance than two-wheel drive; the best example is the audi A4, because the four-wheel drive does better in weight and friction force than two-wheel drive.
Passive four-wheel drive system is used mechanical points move devices such as gear type of torsion induced transmission-Audi's Quattro, or hydraulic power transfer-Porsche's 911 Turbo, the system intervened after the wheels happen idling. And the active four-wheel drive system is through the computerized many disc type clutch to intervention, such as Volkswagen 4 Motion, computer will constantly amount collection and the rotation speed tire and other data, distribute the torsion before the tyre happens idling.:D
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fj0716 said:
Lots of people think that four-wheel drive cars have more of the road holding performance, in fact, they confuse the concept of road holding performance, the biggest difference between the four-wheel drive and two-wheel drive is: FF models will under steer for the wheels idle, then away from the corner, and FR models will drift. Four-wheel drive will not exist the problems above, because each of the wheel, power distribution is automatic, this is related to the performance of the car following mark question, not is road holding performance.
Instead, in the identical type cars, four-wheel drive cars often have more acceleration performance and road holding performance than two-wheel drive; the best example is the audi A4, because the four-wheel drive does better in weight and friction force than two-wheel drive.
Passive four-wheel drive system is used mechanical points move devices such as gear type of torsion induced transmission-Audi's Quattro, or hydraulic power transfer-Porsche's 911 Turbo, the system intervened after the wheels happen idling. And the active four-wheel drive system is through the computerized many disc type clutch to intervention, such as Volkswagen 4 Motion, computer will constantly amount collection and the rotation speed tire and other data, distribute the torsion before the tyre happens idling.:D
I can do better than that in less words, see!!

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Wrong forum anyway, ours are 2wd until we want them to be 4wd, agreed random :lol:
 
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