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      10-05-2012, 03:58 PM   #157
CanAutM3
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Drives: 2021 911 turbo
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Quote:
Originally Posted by Hoosiers View Post
Those look like 911 numbers vice cayman's more 50, which is good to have weight on the rear driving wheels but creates a higher polar momentum inducing oversteer right? Isn't this the flaw with the 911?
Polar moment is not related to axle weight distribution. Polar momemt depends on how far away the weight is distributed from the center of gravity. For instance a car that has a 50/50 weight distribution but with engine hanging over the front axle and a rear mounted transmission would have a high polar moment (think Corvette, Porsche 944/968/928). A car with a central/rear mounted engine will have a rear weight bias but a low polar moment (think Lotus Elise, Ferrari 458).

The 911 has rear weight bias AND high polar moment. It's a wonder of engineering that Porsche is able to make it handle so well .
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