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Old 04-25-2008, 10:46 PM   #1
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Exclamation I Have a Moto Gp Question!!

I was wondering about why I keep hearing that michelin and bridgstone will do better on certain tracks? For example one race they said michelin will rule but then on the next race bridgstones will dominate?!?!? Why is this? I thought that both tires would act the same? Special compound or something?
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Old 04-25-2008, 10:49 PM   #2
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Since they are made by 2 different mfrs I would assume they use different approaches to design and manufacturing.
The rubber compounds are no doubt different as well.
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Old 04-25-2008, 10:55 PM   #3
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Yeah but so different that they are better on certain tracks? Sounds weird to me.....seems like they would perform close enough not to tell a difference
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Old 04-25-2008, 11:12 PM   #4
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lol
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Old 04-25-2008, 11:21 PM   #5
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Some brands have more experience at different tracks. As well, as stated before some compounds and designs work better on different surfaces and track configurations. The first three races this year were at circuts that Michelin dominates. China is a notoriously good track for Bridgestone. Some of it is science and some of it is rider style. For instance Gary McCoy spins the tire way more than say John Hopkins.
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Old 04-25-2008, 11:40 PM   #6
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Thats just weird to me lol
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Old 04-25-2008, 11:45 PM   #7
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asphalt has different compounds just like rubber.
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Old 04-26-2008, 11:31 AM   #8
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It mainly comes down to the track surface & how bumpy or not bumpy it is. It also depends on how well the tire manufacturer can work with the various riders to come up with a tire that works well there. Michelin had a tough year last year and I think FIM awarded Michelin with a "easy" season beginning. China will be a very interesting race. I think Michelin has certainly stepped it up, but Bridgestone will not rest, There has been a Bridgestone rider on the podium in every race so far, so they are not far off.

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Old 04-27-2008, 01:44 AM   #9
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With those tyres it is an exact science. They develop compounds for each session based around the chemical make up of each surface. It is one of the reasons there are weeks in between races in MotoGP. More than AMA, WSBK, or BSBK; MotoGP is a technically challenging sport. These tyres all look the same: black and round, but each is particularly unique to themselves. Softer compound on the right than left, harder center ect... Bumps, chatter, spin, ambient track temperature all make a difference. Further than that, the qualifiers are way different than race tyres ect...The cost of this testing can get astronomical. It is one of the reasons MotoGP is considering a single tyre manufacturer to supply all the buns for the races. I can't say it better than Phish: "the tyres are the things on the (car) that make contact with the road."
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Old 04-27-2008, 12:23 PM   #10
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Actually Bridgestone makes tires for different tracks, all of the riders run the same specification, they have a selection of compounds though. The qualifiers are very different. I think that is what hinders Michelin sometimes, they try to narrow the design to the specific bike & rider. If your not the "premire" rider, then you don't get the needed attention. So your either a hero or a zero.

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Old 04-27-2008, 12:46 PM   #11
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Remember there is more to it than rubber compounds. The exact construction of the body of the tire makes a difference too.
If a tire has a very stiff carcass it may not do as well on a track with little ripples in the turns or grip as well under acceleration out of turns.
If a tire has a very soft carcass it might not have as much durability on a real twisty track or might tend to heat more.
Then there is the roughness of the track surface (grain of the asphalt) and how that affects the tire.
Factor in the riding style, type of power delivery, temperature, etc. and it's easy to see why one tire might dominate a certain track and not another.
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Old 04-27-2008, 12:50 PM   #12
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I guess I should have been clear, The tire is different from track to track, but at any given track, the rider has a choice of compounds. The tire construction, is focused for that given track & climate conditions.
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Old 04-27-2008, 06:31 PM   #13
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Most of us mere mortals would not be able to tell any difference since we don't get anywhere near the edge of performance of the bikes/tires etc.
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