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| Subject |
Re: you just brought braking into it. I was talking about |
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| Posted by |
dTb on December 13, 2007 at 5:29 PM |
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This message has been viewed 65 times. |
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| In Reply To |
you just brought braking into it. I was talking about posted by robo (sebring1970) on December 13, 2007 at 05:47 AM |
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| Message |
the steering rack doesnt have to overcome hardly anything from the "angular momentum" of the wheels.. it has to overcome the force of the tires on the road due to car weight.. and like i was saying earlier, when the car is in motion, its easier on the steering rack to turn because of this friction force. if your just parked and crank the wheels to the left or to the right, you can hear the steering strain a little bit and hear the pavement crackle, but when you start moving it is much easier on the steering because the tires are not imposing as much as a shear force on the pavement as it did without rotation.. while im not 100% on numbers and figures and which is greater, im just assuming it from a logical standpoint because from what ive studied so far in engineering, what ive said should hold true. and yah i was blabering on about the brake forces just to solidify my point. but seriously though, get any rim that fits and that you like that is within your budget and you wont be disapointed... most rims are aluminum alloy or stainless which is very light.. it is a good idea, if you can find them this way... to get a rim with more weight towards the hub is all i was getting at. :the torque required to steer the car and you mentioned the friction force so I thought you meant the friction between the tires and the road. I was wondering which was the greater force on the steering rack when turning, the angular momentum of the spinning wheels or the friction between the tires and road. The first would increase with velocity, the latter would decrease, so I believe the answer depends on how fast you're going.
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