MotoGP heads to the Italian Riviera31/08/2010
Bridgestone slick compounds available: Front: Medium, Hard. Rear: Medium, Hard
The weekend after the Indianapolis Grand Prix, MotoGP action
continues in San Marino at
the Misano World Circuit which presents Bridgestone with a totally different
type of challenge than was faced in North America.
San Marino is a much smoother circuit with a
lower level of grip, which means that the medium and hard compound slicks have
been selected front and rear. The circuit’s layout also places equal loads on
both shoulders of the tyres, so asymmetric rear slicks are not necessary. It is
only the fifth race of the season to which Bridgestone have not brought
asymmetric tyres because the circuit has not demanded them.
Although there has not been a wet race so far this season, Bridgestone
are prepared with hard compound wet tyres as even though the circuit’s surface
is smooth, the ambient temperature in the region is generally high and the hard
compound wets offer better durability in these conditions.
The nature of the circuit is twisty and riders spend a lot
of time on the brakes, meaning that braking stability from the front tyre is
crucial. Edge grip is also important especially when exiting turns six, ten and
sixteen, all of which lead onto sections of straight.
The right-handed kinks of turns eleven and twelve are
high-speed and require excellent tyre stability. Riders must have confidence in
their bike and tyre package to commit to these turns else a great proportion of
time can be lost through them.
After a time away, MotoGP returned to Misano in 2007, but
the circuit layout was changed slightly at turn three in 2008, increasing the
track’s length to 4.226km. Bridgestone has a great track record in Misano since
the circuit’s return to the calendar in 2007. Ducati Team’s Casey Stoner took
pole and won in 2007 on Bridgestone tyres, and in 2008 and again last year
Valentino Rossi set a new lap record on his way to victory.
Hiroshi Yamada, Manager,
Bridgestone Motorsport Department said:
“Misano has been a successful event for us since it was
included on the MotoGP calendar again, right from 2007 when the top five riders
were all on Bridgestone tyres. In both years of tyre competition there the race
was won by a Bridgestone-shod rider, and last year Valentino set a new lap
record on our tyres so I am confident that we can play our part again this year
in a good race. The many braking points tend to bunch the field and provide close
racing, with plenty of opportunities for overtaking. We saw a fantastic race in
Indianapolis and there is still much to play for
in the championship so I am excited about returning to Europe
once more.”
Tohru Ubukata, Manager, Bridgestone Motorcycle Tyre Development Department said:
“The track surface at Misano is smooth and offers relatively
low grip, but the ambient temperature is generally high for the grand prix. The
climate condition requires harder compounds, but track surface requires softer
compounds so we must achieve a balance in our tyre selection.
“The layout is basically twisty, but there are some
high-speed corners which require very good stability to give the riders
confidence to attack. Overall the circuit is not so demanding for our tyres,
but braking stability is important because of the many heavy braking points. Tyre
wear and temperature is equal in both shoulders so it is not necessary to bring
asymmetric tyres so Misano, even though there are more right hand corners than
lefts.”