Re-invented tires....
09-17-2010, 03:53 PM
#1
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Re-invented tires....
09-18-2010, 01:37 PM
#16
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What about tire ROLL. When side forces are applied to the tread of a tire it tends to ROLL to the inside edge of a turn. Steering geometry, being what it is, changes the angle of the wheel to the road to return that portion of tire that ROLLED under back into contact with the surface it's rolling on. Steering geometry can't be changed all that much because it affects the designed in ability to go straight down the road. Steering in one direction tends to LIFT the inside wheel, or remove weight from the inside of the whole car if you want to think about it that way. When the car straightens out the unequal weights try to equalize and brings the wheels back into alignment. King pin angle also has to be taken into consideration. King pin angle can be described, by me, as the angle from horizontal about which the steering knuckle turns. There are four measurements used in steering geometry. Camber, the angle the tire/wheel leans in or out at the top which is talked about here, CASTER, king pin inclination (angle) and toe. They ALL work together to make the car go down the road straight with the least effort, be self centering and prevent tire wear. In my book his guy is selling snake oil.
09-18-2010, 06:12 PM
#17
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Of course, we'd have to see further testing before doing a group buy, eh? It looks like a promising concept, but it will require a good amount of testing to make sure it works in reality.
09-18-2010, 07:04 PM
#18
what about tire roll. When side forces are applied to the tread of a tire it tends to roll to the inside edge of a turn. Steering geometry, being what it is, changes the angle of the wheel to the road to return that portion of tire that rolled under back into contact with the surface it's rolling on. Steering geometry can't be changed all that much because it affects the designed in ability to go straight down the road. Steering in one direction tends to lift the inside wheel, or remove weight from the inside of the whole car if you want to think about it that way. When the car straightens out the unequal weights try to equalize and brings the wheels back into alignment. King pin angle also has to be taken into consideration. King pin angle can be described, by me, as the angle from horizontal about which the steering knuckle turns. There are four measurements used in steering geometry. Camber, the angle the tire/wheel leans in or out at the top which is talked about here, caster, king pin inclination (angle) and toe. They all work together to make the car go down the road straight with the least effort, be self centering and prevent tire wear. In my book his guy is selling snake oil.
qft.
09-18-2010, 07:24 PM
#19
Lol, so building a tire that doesn't want to roll straight, is better than a normal tire?
Take a tire with a lean on it, and push it. It will curve in the direction of the short side. The scrubbing force would be insane on a full-size tire, treadlife would be horrible.
Take a tire with a lean on it, and push it. It will curve in the direction of the short side. The scrubbing force would be insane on a full-size tire, treadlife would be horrible.
09-19-2010, 01:22 AM
#20
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There has to be a reason this hasn't already been applied, but only time will tell how successful these tires are. Would be nice to see them turn out to be a success, but buellfooll made some solid points.
09-19-2010, 01:34 AM
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We'll see what happens, they sound neat and if they work I'll most likely buy a set with some new rims. I guess I'll just have to rotate my fronts to the back to be able to hold off until these are available.
09-19-2010, 01:34 AM
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I understand the concept and like the idea, but I'm not sure it would make as big of a difference as he is stressing in the article. Benefits of camber without the downsides sounds great, but what about wear? I would assume that as the tire is sitting flatter on the pavement, it would wear more evenly? Do you think the gains that he is talking about are really necessary or even possible outside of performance driving? Still a cool idea none-the-less.
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