traction: Audi vs Subaru - Page 2 - Subaru Outback - Subaru Outback Forums

SubaruOutback.org is the premier Subaru Outback Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Rate Thread
Old 12-12-2012, 10:52 AM   #11 (permalink)
Registered User
 
jogosub's Avatar
 
Join Date: Oct 2012
Location: Rolling Hills/PV-CA displaced in NW Florida.
Car: 2005 Baja - Ditched 13 OB
Posts: 4,562
Feedback Score: 0 reviews
Default

I agree but how does TireRack tests winter tires traction? On an ice rink inside a building? How do you know that is, what they do? Also, haven't seen any "skinny" tires being offered by them. Everybody knows that skinny tires have better traction than wide tires on ice/snow because you get more weight per square inch with those... They may look funny but they work well. Americans are obcessed with wide tires just for the "looks"....but those are not very good in snow/ice conditions....
jogosub is online now   Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 12-12-2012, 11:52 AM   #12 (permalink)
Registered User
 
DrCloud's Avatar
 
Join Date: Apr 2006
Location: EstesPark/BocaRaton
Car: 07OBXTL/08LGT.B
Posts: 577
Feedback Score: 0 reviews
Default

Quote:
Originally Posted by jogosub View Post
Everybody knows that skinny tires have better traction than wide tires on ice/snow because you get more weight per square inch with those.
Um...this is true only if the skinny tires are pressurized more. To first order, the weight of the car and the tire pressure together determine the area(s) of the contact patch(es). What's different between narrow and wide tires is the aspect ratio of the contact patch. HPH
DrCloud is offline   Reply With Quote Quick reply to this message
Old 12-12-2012, 11:59 AM   #13 (permalink)
Registered User
 
jogosub's Avatar
 
Join Date: Oct 2012
Location: Rolling Hills/PV-CA displaced in NW Florida.
Car: 2005 Baja - Ditched 13 OB
Posts: 4,562
Feedback Score: 0 reviews
Default

well yeah ... if you want to be really technical about it!
jogosub is online now   Reply With Quote Quick reply to this message
Old 12-12-2012, 12:00 PM   #14 (permalink)
Registered User
 
Join Date: Jun 2008
Location: San Francisco
Posts: 17,180
Feedback Score: 0 reviews
Default

Quote:
Originally Posted by bheinen74 View Post
willing to entertain comments on this.
Audi A6 quattro vs. Subaru Outback on ice 2 - YouTube
Tire test not a car test
subiesailor is online now   Reply With Quote Quick reply to this message
Old 12-12-2012, 12:18 PM   #15 (permalink)
Registered User
 
jogosub's Avatar
 
Join Date: Oct 2012
Location: Rolling Hills/PV-CA displaced in NW Florida.
Car: 2005 Baja - Ditched 13 OB
Posts: 4,562
Feedback Score: 0 reviews
Default

Quote:
Originally Posted by subiesailor View Post
Tire test not a car test
Exactly!
jogosub is online now   Reply With Quote Quick reply to this message
Old 12-12-2012, 12:56 PM   #16 (permalink)
Registered User
 
Join Date: Dec 2011
Location: Midwest
Car: 2010 2.5i
Posts: 571
Feedback Score: 0 reviews
Default

Quote:
Originally Posted by jogosub View Post
I agree but how does TireRack tests winter tires traction? On an ice rink inside a building? How do you know that is, what they do? Also, haven't seen any "skinny" tires being offered by them.
TireRack often publishes their results including videos with portions of the testing. The most recent winter tire test is here (controlled conditions on an ice rink):
Testing the Newest Studless Ice & Snow Winter Tires

Also, I am running slightly narrower tires than stock (215/70/16) that I purchased from TireRack. Not that I have proof that 1cm of section width (not tread width) is going to make a noticeable difference, but the physics makes sense and the tires and extra set of rims were cheaper anyways. What would you define as a "skinny tire" that would roughly suit the default Outback tire diameter that someone sells (or manufactures, even)?
statueim is offline   Reply With Quote Quick reply to this message
Old 12-12-2012, 01:06 PM   #17 (permalink)
Registered User
 
Join Date: Oct 2012
Location: Arlington, MA
Car: 2013 Outback 2.5i CVT Limited, Nav+EyeSight
Posts: 228
Feedback Score: 0 reviews
Default

I was expecting/hoping to see both of their back bumper ripping off completely :-P
Se7enLC is offline   Reply With Quote Quick reply to this message
Old 12-12-2012, 01:12 PM   #18 (permalink)
Registered User
 
scoobydoo2's Avatar
 
Join Date: Dec 2009
Location: •Latitude: 48.92689:•Longitude: -55.65956
Car: 3rd Subaru. 2011 Ouback Limited with NAV
Posts: 3,301
Feedback Score: 0 reviews
Default

...both manufacturers make great AWD systems...probably the best two in the world. For the comparisons to be close to having any validity you would need the two cars of both simialar size and weight, exact same tires, on the exact same course with the same driver. Variables such as tires, tire presure, driver skill...or lack thereof are just some of the things that could affect these comparisons. Best case would be to put them in an arena on the ice and do it there with some very controlled tests.

...and then the test would have to be peer reviewed...lol.
__________________
The human soul, in some ways like good helium, expands to whatever environment it has. Or conversely sinks to whatever ditch it is offered. That's where the real battles are waged-and waged continually. David Adams Richards

ZeeMaps - Subaru Outback.Org Owner Location: Show us where you are.

scoobydoo2 is offline   Reply With Quote Quick reply to this message
Old 12-12-2012, 01:16 PM   #19 (permalink)
Registered User
 
Join Date: Jun 2008
Location: San Francisco
Posts: 17,180
Feedback Score: 0 reviews
Default

With the drivers swapping cars more than once with the data compared across the whole process.

Sedan vs wagon is improper Sedan vs Sedan - wagon vs wagon given yes weight distribution is different between the two. The Legacy is far stiffer and better at grip than the OB is.
subiesailor is online now   Reply With Quote Quick reply to this message
Old 12-12-2012, 02:01 PM   #20 (permalink)
Registered User
 
jogosub's Avatar
 
Join Date: Oct 2012
Location: Rolling Hills/PV-CA displaced in NW Florida.
Car: 2005 Baja - Ditched 13 OB
Posts: 4,562
Feedback Score: 0 reviews
Default

Quote:
Originally Posted by statueim View Post
TireRack often publishes their results including videos with portions of the testing. The most recent winter tire test is here (controlled conditions on an ice rink):
Testing the Newest Studless Ice & Snow Winter Tires

Also, I am running slightly narrower tires than stock (215/70/16) that I purchased from TireRack. Not that I have proof that 1cm of section width (not tread width) is going to make a noticeable difference, but the physics makes sense and the tires and extra set of rims were cheaper anyways. What would you define as a "skinny tire" that would roughly suit the default Outback tire diameter that someone sells (or manufactures, even)?
I was referring to the "skinny tires" on Saab cars in the late 50s and 60s. People here were laughing at them but Saab kept winning all those races in Europe precisely because of the tires, that they had. They don't sell those anymore nor they are manufactured. Personally, I would get any tire that you can still put studs into them ... but I am afraid not that many States allow studs in their tires - if at all. I hate salt being put on roadways. In Scandinavia it's all studded tires (for most parts anyway...). Preople change rims with mounted tires each and every season, pretty standard in those woods.
jogosub is online now   Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Reply


Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Subaru Outback - Subaru Outback Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Rate This Thread
Rate This Thread:

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -4. The time now is 01:29 PM.



Powered by vBulletin®
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.3.2
Copyright 2009-2010 SubaruOutback.org. All Rights Reserved.