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Corvette
Corvette Tech Questions & DIY
C7 SPLASH GUARDS DIY
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<blockquote data-quote="Rruuff Day" data-source="post: 122418" data-attributes="member: 2217"><p>Hey Paul. I couldn't help but speak up here regarding your "hop hop" as it is a common occurrence (especially with the C6 and C7) and we have lots of new members coming on board that may be interested...</p><p></p><p>Temperature will only make very marginal differences in the wheel hop you refer to as what you are experiencing is explained in the Ackerman Steering geometry Principle.The quick and dirty explanation (at least I hope it will be) is:</p><p></p><p>The Corvette Stingray does not have perfect Ackerman (This is not a flaw. This is a happy medium for a combination track and street car. Perfect Ackerman would not handle as well on the track and about the only alternative to have perfect Ackerman <u>and</u> a vehicle that handles well on the track would be to have another differential installed between the front wheels.</p><p></p><p>In my feeble attempt at explanation, the front of the car and thus the front tires from one side of the car to the other both turn around the same radius point. During a turn each have a different length turning radius and angle; a shorter radius and tighter curve for the inside tire and a longer radius and flatter curve for the outside tire. This means the tire on the outside of the turn is travelling a longer arc distance than the inside tire. This results in the tires fighting with each other in their attempt to equalize themselves, and in a very sharp turn angle, this results in hop hop... crow hop...tire scrub..tire slip. there are lots of names for it. The wider stance, the lower profile tires, the sharpness of the steering angle, the camber and caster of the wheels, the width of the tires, the stickiness of the tires and the temperature all have some effect on the magnitude of slip which equates to how much you can actually feel the slip, but the tire fight is always there when the wheels are turned . It happens both in reverse and forward but we seem to turn the steering sharper much more often in reverse than when we are going forward. Except in parking lots... lol</p><p></p><p>And with that I will retire back into nerd-dom.... lol.... If anyone wants to chime in here and add to this, or laugh at my anal-ity, feel free... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite12" alt="o_O" title="Er... what? o_O" loading="lazy" data-shortname="o_O" /></p></blockquote><p></p>
[QUOTE="Rruuff Day, post: 122418, member: 2217"] Hey Paul. I couldn't help but speak up here regarding your "hop hop" as it is a common occurrence (especially with the C6 and C7) and we have lots of new members coming on board that may be interested... Temperature will only make very marginal differences in the wheel hop you refer to as what you are experiencing is explained in the Ackerman Steering geometry Principle.The quick and dirty explanation (at least I hope it will be) is: The Corvette Stingray does not have perfect Ackerman (This is not a flaw. This is a happy medium for a combination track and street car. Perfect Ackerman would not handle as well on the track and about the only alternative to have perfect Ackerman [U]and[/U] a vehicle that handles well on the track would be to have another differential installed between the front wheels. In my feeble attempt at explanation, the front of the car and thus the front tires from one side of the car to the other both turn around the same radius point. During a turn each have a different length turning radius and angle; a shorter radius and tighter curve for the inside tire and a longer radius and flatter curve for the outside tire. This means the tire on the outside of the turn is travelling a longer arc distance than the inside tire. This results in the tires fighting with each other in their attempt to equalize themselves, and in a very sharp turn angle, this results in hop hop... crow hop...tire scrub..tire slip. there are lots of names for it. The wider stance, the lower profile tires, the sharpness of the steering angle, the camber and caster of the wheels, the width of the tires, the stickiness of the tires and the temperature all have some effect on the magnitude of slip which equates to how much you can actually feel the slip, but the tire fight is always there when the wheels are turned . It happens both in reverse and forward but we seem to turn the steering sharper much more often in reverse than when we are going forward. Except in parking lots... lol And with that I will retire back into nerd-dom.... lol.... If anyone wants to chime in here and add to this, or laugh at my anal-ity, feel free... o_O [/QUOTE]
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Corvette
Corvette Tech Questions & DIY
C7 SPLASH GUARDS DIY
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