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Primotenente Primotenente is offline

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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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  • Last Activity: Today 03:05 PM
  • Join Date: 12-29-2007
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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

02-14-2017
04:40 AM - scalman quoted Primotenente in post Testing OBW AWD with VDC off-road capabilities
Yes. The older JDM/EDM Outback...
03:47 AM - Primotenente quoted scalman in post Testing OBW AWD with VDC off-road capabilities
You mean i have rear lsd? ...
02-13-2017
02:52 AM - Primotenente quoted Brucey in post Testing OBW AWD with VDC off-road capabilities
So what do you think of the...
02-09-2017
03:06 AM - Primotenente quoted ecphotographer in post Are Nokian THAT good?
Primotenente, I know that you giv...
01-17-2017
11:31 PM - BHopkins quoted Primotenente in post You should not warm your car before driving
Buy 10 same cars, idle 5, do not ...
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 ...

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