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Primotenente Primotenente is online now

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  1. Primotenente
    05-09-2014 02:00 AM - permalink
    Primotenente
    Hello

    Exactly. Side to side is another thing and done by electronics. Xmode and breake vectoring are about side to side. This is what subiesailor fails to understand and why he is wrong.

    1.
    Yes, in theory they can vary torque more, and make it a front wheel drive but what would be the advantage of having a fwd or "almost fwd vehicle"? So it is only a disadvantage, especially as the clutch is always slipping and sending power to the rear.

    2.
    The differential does not work as an LSD - the MPT works as "LSD" - the differential only works as differential and balances torque. Point is a differential is made for this, a clutch not.

    The point is that a differential is much smoother and faster and therefore the better solution. Whith a slight rear wheel bias you have better handling. VTD feels more like rwd, the other like fwd with endless understeering.

    Go to youtube, enter "quattro snow", whatch those viedeos and you will see what I am talking about.
  2. pcray1231
    05-08-2014 07:07 PM - permalink
    pcray1231
    Hey man, too bad they closed that thread. Teach me something. Per my understanding, the thing that distinguishes VTD from "Active AWD" is the planetary center diff. Thus we are only talking about front/rear power distribution, and left/right is an independent conversation.

    BOTH use an electronically controlled MPT clutch. VTD adds a planetary gear differential. So, what does that planetary center diff do? My understanding:

    1. Bias the torque to the rear.
    2. Act as a center LSD. Front/rear remains controllable with MPT clutch but can't step too far out.

    That said, if the MPT clutch is truly fully controllable, capable of handling real loads and react very quickly, then even without that planetary diff:

    - Subaru can set the bias pretty much wherever it wants.
    - The LSD would almost never engage, and when it does, it'd be in situations where you might rather it not.

    I realize the "if's" are big ifs. But we're talking theoretically here. What am I missing?

  About Me

  • About Primotenente
    Location
    Europe
    Your Car
    Outback 3.0 AT MY05 (VTD/VDC/LSD)

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  Mentions

01-12-2016
09:34 AM - 1454 mentioned Primotenente in post Article: The 2017 Audi A4 Allroad Is Your Luxurious Subaru Outback
Primotenente I don't know that I ...
11-05-2015
01:19 AM - MiddleAgeSubie mentioned Primotenente in post Deleted Posts

  Quotes

01-17-2017
06:40 AM - Primotenente quoted Zedhead in post You should not warm your car before driving
How many of us will keep a c...
03:33 AM - Primotenente quoted BHopkins in post You should not warm your car before driving
Perhaps one of the reasons ma...
01-16-2017
10:23 PM - BHopkins quoted Primotenente in post You should not warm your car before driving
There is no need to let the car i...
02:36 AM - Primotenente quoted EGA in post You should not warm your car before driving
Because you don't seen t...
01-15-2017
11:41 AM - EGA quoted Primotenente in post You should not warm your car before driving
...How should this reduce stress ...
09:27 AM - Zedhead quoted Primotenente in post You should not warm your car before driving
No problem: https://www.webasto.c...
08:58 AM - Primotenente quoted Zedhead in post You should not warm your car before driving
I would love to see some of ...
08:29 AM - Primotenente quoted EGA in post You should not warm your car before driving
(...) Today's ECM-contro...
08:16 AM - EGA quoted Primotenente in post You should not warm your car before driving
...No, the opposite is true. The ...
01-14-2017
03:26 PM - Primotenente quoted Sandbag in post You should not warm your car before driving
Or some guy on the internet ...
12:43 PM - BHopkins quoted Primotenente in post You should not warm your car before driving
I understand your point about the...
04:15 AM - Primotenente quoted BHopkins in post You should not warm your car before driving
You may want to go back and r...
01-13-2017
07:08 PM - BHopkins quoted Primotenente in post You should not warm your car before driving
The question is if we talk about ...
09:53 AM - Primotenente quoted KentuckyOutback in post You should not warm your car before driving
What a stupid article. On very cold ...
09:38 AM - Primotenente quoted BHopkins in post You should not warm your car before driving
Those that claim there is no ...
09:35 AM - Primotenente quoted Scratcher in post You should not warm your car before driving
Advice I got from a crusty old...
01-09-2017
12:36 PM - PhillySubie quoted Primotenente in post Subaru AWD + Yokohama GeoLandar G015 Tires = Tank in the Snow
@threadopener: Use real winter ti...
08:04 AM - Primotenente quoted gunnison in post Subaru AWD + Yokohama GeoLandar G015 Tires = Tank in the Snow
The Geolandars may indeed be ...
12-28-2016
12:13 AM - AlainB quoted Primotenente in post old gen vs. new / AWD vs.VDC vs.Xmode
The thread opener is in Europe. I...
12-25-2016
12:57 PM - Primotenente quoted AlainB in post old gen vs. new / AWD vs.VDC vs.Xmode
maybe in europe ... not in ...

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