Volkswagen Syncro/Audi Quattro I System Explained — Volkswagen Quantum syncro

20 Фев 2015 | Author: | Комментарии к записи Volkswagen Syncro/Audi Quattro I System Explained — Volkswagen Quantum syncro отключены
Volkswagen Quantum syncro


There seems to be some about exactly how the Volkswagen Quattro I system works. document aims to set that straight, and may or may not succeed, but it tries hard, so give it some ) This document applies to the cars, and probably a few others I’ve forgotten:

Audi Quattro

Audi 5000

Volkswagen Quantum Syncro years)

Audi Turbo Coupe, aka ur-q, TQC

This does NOT apply to the Vanagon which has a completely and utterly viscous-coupling system.

Differentials

Volkswagen Quantum syncro

These cars three differentials: a center, and a front. The center diff power between the front and diffs. The front diff power between the front and the rear diff, predictably, power between the rear These diffs are all conventional diffs, which means they split torque Under normal circumstances, all wheels will spin at the same rate, all powered. say if the right rear wheel of the car off the ground, the center and rear will have one output that is really easy to and the front diff will see any motion at all (although it will get the amount of torque as the rear but it won’t spin anything this is kindof confusing, but if you about it for a while, it makes The upshot of this is that that wheel that is off the will spin, since it less torque to spin wheel than it does to the other wheels and move the This is what’s bad about diffs, and it’s why when a car gets stuck in a

ditch, only one wheel and it’s the wrong one.

Differential locks

This is differential locks come in. them, the Quattro would be really special. When a is locked, both output are forced to turn at the same with up to potentially 0/100% split, in theory (except it always takes some to turn wheels, even they are off the ground). So, if the center is locked (knob pulled out one one green light lit), one wheel and one rear wheel, at will be forced to spin. the rear diff locked as (knob pulled out all the way, green lights on), rear wheels will be to turn at the same rate as and the car becomes effectively 3-wheel under any circumstances. This true AWD, one could but it’s certainly better conventional 4wd. (Just to set the straight, when you put a non traction-control or new and fancy equipped truck/SUV/Jeep/whatever in it becomes what an Audi I is with the center diff The first Audi to have AWD is the new Quattro IV’s, which a Torsen center diff and traction control which the brakes front and rear.

Problems with diff

So why not leave the diffs locked all the you say? Well, your wheels describe a larger arc your rear wheels turning, and the outside wheels faster than the inside So when you have your locked, the tires and road have to scrub off this causing hopping, and lots of and tear on tires, diffs, and of the steering and suspension system. problem, and the fact that average consumer has no idea how I works or how to use it, is why Audi switched to II with the 80/90 and 100/200 which has a torque-sensing Torsen differential.

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