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Unread 02-01-2013, 11:22 AM   #3306
Stampin Wrose
This reminds me of a Star Trek episode....
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Join Date: Feb 2004
Location: Aboard the Enterprise, watching NCIS reruns!
Posts: 103,925

Originally Posted by muddy otter View Post
It means that your tires have lots of grip. When you accelerate that quickly, the squealing tires are trying to grip but the grip is being broken. That's why often you hear that long squeal before the bang in wrecks--someone's hitting the brakes hard but the car has so much forward momentum the tires can't keep their grip on the road.

E could probably give you a better scientific description of the physics.

Since the Subaru had AWD, all 4 wheels moved at the same time, which meant with the same hard acceleration, you didn't have 2 wheels moving and 2 tires getting pulled forward before they start rolling. You can still get that squeal with AWD or 4WD if you have very very grippy tires and accelerate hard enough, but it takes way more force to get to that point.
Thank you! Fascinating. I bet DH would have given me so much physics, my eyes would have glazed over!

Especially thanks for explaining what is different between the two cars.
Kathy Wrose

"Fun must be always." - Tomas Hertl, San Jose Sharks
"It was fun." - Kirk, Star Trek: Generations
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