Chang International Circuit -
Thailand motoGP 2019 |
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ไทย MotoGP 2019 |
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Known as: |
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PTT Thailand Grand Prix 2019 |
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Description: |
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The MotoGP Championship is the pinnacle class of world
championship road racing. It developed primarily in Europe after
the FIM (Federation Internationale de Motocyclisme) consolidated
the regulations for motorcycle competition for the first time in
1949. In the past, the premier class was the 500cc class of the
Road Race World Championships, but in 2002 the regulation was
changed to create the MotoGP class in which 2-stroke machines of
up to 500 cc and 4-stroke machines of up to 990 cc competed
together.
The regulation was changed again in 2004 to
limit the MotoGP class to four-stroke machines only, and the
displacement limit was reduced to 800 cc in the regulation from
the 2007 season. Since then, new regulations have also made a
single maker the sole supplier of tyres for MotoGP, limited the
number of tyres that can be used by a team during race week and
reduced the number of test days.
In 2010, regulations
changed to limit the number of engines a single rider can use
during the season to six. 2011 was the last for the 800cc
machines, with regulations changing for 2012 to allow 1000cc
bikes onto the grid.
A major change for the 2014 season
was that all teams were required to source and use a standard
MotoGP ECU. In 2015 it was decided that all engine management
systems including injectors, bypass systems, variable intake
systems and ignition must be operated exclusively by the
original and unmodified ECU signal.
Other 2015 regulation
changes see the minimum weight of a 1,000 cc machine will be
reduced by 2 kg from 160kg to 158kg and the carbon brake discs
must be one of the permitted sizes for outside diameter, that
is: 320mm and 340mm. At certain circuits, such as Motegi, the
use of 340mm carbon brake discs is mandatory for the race for
safety reasons.
MotoGP rules dictate four-cylinder
engines with a maximum bore size of 81mm. Each rider is
allocated seven engines for the season, with no development work
permitted during the season.
An allocation of 21 slick
tyres, 10 of which are front tyres is given to each rider to
cover the race and all practice and qualifying sessions. Of
these 10 front tyres a maximum of six can be either
specification A (hard) or specification B (soft). For the 11
rear slick tyre up to a maximum of five can be a specification A
(hard) or a maximum of seven can be specification B (soft).
There is a standard allocation of 10 wet tyres: five front wet
tyres and five rear wet tyres of the standard specification. All
riders have access to the same tyres, which for 2017 are
manufactured by Michelin.
With all these changes, MotoGP
is firmly in a new era. The machines achieve a maximum output of
over 240 hp and reach speeds of over 340km/hr. The latest
electronic control technology is employed throughout. Races are
contested on tarmac circuits that are typically between 4-5km
long, with a total race distance of between 110-120km taking
around 40 minutes to complete.
A new split qualifying
procedure was introduced in 2013, with the fastest riders from
practice going into a pole shoot-out. The existing three
45-minute practice sessions remained, but the first half hour of
qualifying became additional practice and does not count for the
grid. Qualifying itself become two 15-minute sessions known as
'qualifying practice 1' and 'qualifying practice 2'. QP1
commences 10 minutes after the end of the new practice four,
with a further 10-minute break before QP2. The 10 fastest riders
in the combined times from practices one, two and three go
straight through to QP2. The rest of the field have to
participate in QP1, from which the fastest two riders qualify
for QP2, with the remainder forming the grid from 13th back. QP2
then decides the top 12 grid positions.
Italian riders,
including Yamaha legends Valentino Rossi and Giacomo Agostini,
have the best all-time records, winning a total of 20 titles in
this premier class. Yamaha has a total of 16 titles, including
ten in the GP500 and five in the MotoGP. Yamaha Factory Racing
won the Triple Crown of Rider, Team and Manufacturer’s title
three years consecutively, 2008 – 2010 and the Rider’s title
again in 2012 and 2014. |
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Province |
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Buriram |
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District |
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Mueang |
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City |
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Isan |
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Best exposure |
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Rating |
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Opening time |
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N/A |
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Entry fee |
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Event
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GPS : |
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14.95866 N |
103.08616 E |
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