Date: Thu, 26 Aug 1999 23:44:06 GMT From: nutmeggernopsameja.com Subject: Re: Why is it recommended that rear tyre pressures be higher than front?
In article <37C43A8F.7D43671Bnopsam1.tuwien.ac.at>, RCS <e9225126nopsam1.tuwien.ac.at> wrote: > 1) Inflate the front tires to maximum > 2) Deflate the rear tires > 3) Apply parking brake > 4) Depress clutch > 5) Put in 1st gear > 6) Rev the engine up to 6.500 rpm > 7) release clutch..... > ... > > NO, sorry but this is little funny to listen... > the turning radius is nearly the same, if thereīs more pressure in the front or > back. Hmmm.....that is what I had always thought, although I couldn't begin to explain why. > The turning radius gets wider, the faster you drive, cause the car has an > understeering behaviour, until the rear "looses" the contact and the back is > travelling to the outside of the corner - thatīs called oversteering and if that > happens in a bigger style youīll have a lot of work to prevent a spin, I've never had that problem in my Saab, not like in the Honda I drove. > especially when you are not accellerating (that means you havenīt dynamically > decreased the road holding capacity on the front with the gas or even release > the throttle when you are turning in). What about down-shifting? > > Thereīs a wide grip limit range, especially with the narrow standard wheels. > When you loose the grip on the rear the car is turning (better heading) into the > corner, that reduces the turning radius at a given speed. The more you inflate a > tire, the earlier you loose the grip on (from an ideal pressure onward), you > canīt really tell that for the opposite direction, cause a too soft pressured > tire "floats" and "warps" around. What do you mean by floats? > to answer your question: drive very very very very slow and if you want to win > some mm (garage) inflate the front tires, so they wonīt be deformed by the car > weight - > if you are diving normally notice above... > > -RCS- Sent via Deja.com http://www.deja.com/ Share what you know. Learn what you don't.
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