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GP Week : Issue 35
very hard to manage with only one specification. But we don’t expect this. Remember that last year we had only 31 tyres a weekend, and next year 20. From our experience, nobody used all 31 tyres in a weekend. Are the riders complaining too much in advance of the event? TU: Mmmm. Too much concern, I would say. One change is you will not be making tyres and then scrapping them without them ever being used. Is that true? TU: (emphatically) Yes. What sort of level of scrap do you have now? TU: I cannot answer that question. Would it be closer to 50 percent, or 20 percent? TU: Let’s say now we bring 40 tyres for each rider, and basically and they are using only 50 percent of those tyres during the race week. Will the unused tyres not then be obsolete? TU: Some, yes. Some of them are just scrap. And some of them we can use for a coming race, or a coming test. Is this the biggest saving for Bridgestone? TU: Yes. The number of production is quite reduced. What about development through the year. Will tyres at the last race be the same as at the first? TU: Basically, we will not prepare new tyres during the season. So, let’s say from the first to the last race, we will use the same quality. But we will prepare more than two specifications for the whole year. At the moment our plan is to have four. And we will choose two of the four for each race. What sort of link is there 46 Marco Melandri also made the double-switch at Valencia – to Kawasaki and the revised Bridgestone rubber between race and street tyres? Will you lose something by going to control tyres? TU: Some of the racing technology has already transferred to street technology – like mixed compounds. So there is a direct link. Also from the production side we can transfer the production system. Even with street tyres, the tyre itself is still let’s say 50 percent hand-made. Even on car tyres, and street-bike tyres. So will you lose this benefit? TU: I can’t say. Even now we have not transferred 100 percent of MotoGP technology to street tyres. So we have enough technology stock for the street tyre. Street tyres should developed more in the future with MotoGP technology that we already have. Actually we will not stop development for the MotoGP tyre. Every year we will develop more wider-range or more durable tyres. That we can transfer to the street tyre. Durability will be very important. Not only for