If you have uneven mass on your wheels then your tyres will all have different levels of grip which can lead to an unpredictable car on circuit and make it corner faster in one direction than the other. It can significantly increase lap times and make the car feel much more predictable for the driver.Ĭorner weighing will tell you how much overall mass your car has as well as the mass present at each wheel. Within many motorsport categories, corner weighting a car before an event is crucial due to the large affect it can have on the lap times and capabilities of the car.
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Cross weight oval racing skin#
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I think the confusion is between the physics and the end effect making a powerful rear wheel drive car with limited grip go round an oval quick is best achieved with understeer. The banking only changes how much is required - the basic concept is the same on a flat oval, it's just a matter of degree. Loading up the front right, on left hand circuits, or the front left, on right hand circuits, will achieve this. over-steery) you have to get out of the throttle, which is a sure way not to win. Though not an oval racer, from what I understand the usual setup for torque rich/grip limited racers (NASCAR/ASCAR) is that you want the car set up to understeer slightly with the power on, so you can keep your foot in round the turns. I am currently racing in an Oval series turning left, and have my car currently set with a 52% cross weight (RF - LR), Howe reccomend up to 58% for their ASA/ASCAR chassis.
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Phoenix please read Tony C post again and you will see both he and I agree, Lukin says it'll turn to the right. In either case, without a limited slip diff you will find it difficult to get the power on until the car is pointing straight - which is quite often a slower option than sacrificing turn-in in favour of a good corner exit speed. If a front wheel drive car it will more easily pick up the front left wheel on left hand bends. more than 50% is carried on the RR/LF and less than 50% on the RF/LR)Īdditionally, if the car is rear wheel drive, it will tend to spin the right rear on right hand corners, or at least give the limited slip diff, if you have one, some work to do. If the car had a neutral balance before, it will now tend to oversteer on right hand turns and tend to understeer on left hand turns.Īs evidence, in oval racing (all left hand turns) the rear right is often 'jacked' up to give the car a natural left hand bias. which is the opposite of what Tony C said - but I agree - as does Lukin.