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Newsflash
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Sunday, 17 April 2011 |
photo courtesy of Pirelli
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| In what turned out to be the first real race of
the year, Lewis Hamilton knocked Driver's championship points leader,
Sebastian Vettel, off of the top spot on the podium. From the very
beginning of the race there was a significant amount of drama in the
McLaren pits. Inside the garage Lewis car was being frantically
disassembled by the crew. It appeared that there had been a fuel
spill inside the engine compartment as crew members feverishly removed the
body panels while Lewis sat in the car ready to take the starting grid.
With only moments to spare, Lewis' MP4-26A-01 emerged from the garage,
still only partially re-assembled. By the start of the race, Lewis
was ready to go, and go he did, reaching the first turn ahead of Vettel
and behind teammate Jenson Button. By the time the race ended the
lead had changed hands a dozen times. What a race!!! Here is
what the drivers had to say: |
DRIVERS
1 - Lewis HAMILTON (McLaren)
2 - Sebastian VETTEL (Red Bull)
3 - Mark WEBBER (Red Bull)
Interviews:
Q: Lewis, you made a gamble to keep back a fresh set of tyres. Was it the gamble that paid off for you today?
Lewis HAMILTON: I think today the strategy we came up with going into qualifying definitely helped. I think my new option tyre seemed to last a little bit longer than the guys in front but I think it was quite a few things that came together really. The pitstops were fantastic. It was good for us. The guys are always pushing to improve and the car felt great. I was just trying to nurse my tyres whilst trying to pick up pace. It was one of the best races I have experienced where guys were out in front of me and I had to do quite a lot of overtaking. But thumbs up to the guys back at the factory and in the garage. They really put their hearts into developing the car and making the car the best it can be every weekend. It feels amazing to be able to bring home the victory for them.
Q: We saw your emotion at the end of the race. We didn’t quite see your emotion at the start of the race. What was going on with your car as you only just made it to the grid and how worried were you that you might not be able to start?
LH: I don’t think worried was coming into my thoughts to be honest. I was in the car nice and early to go out and then we had a problem as the car just would not start. I am still not sure exactly what went on but they had to take a lot of the bodywork off and I knew there was six minutes to go. Then there was two minutes to go but fortunately everything just came together very quickly. The guys did a great job but, of course, for me it is very important to stay as clam as possible as that reflects on all the guys in the garage. I tried to stay positive and they got the car out which was the most important.
Q: Sebastian, beaten off the line by both McLarens but you quickly got the lead back again. Did you feel at any stage that a two stop strategy might have been the wrong choice today?
Sebastian VETTEL: Well I think the start was not the best we had this year On top of that it seems that for some reason the left hand side here is worse than the right hand side, plus the fact that you turn right doesn’t help. But it was not a 100 per cent good start so I lost also the position to Lewis who started behind me. Then it was about being patient. I think we treated the tyres better in the first stint and could have stayed out but there is no point doing that as you try to pit earlier. I came to the box and afterwards came out first, which was good. But it was quite a surprise seeing Jenson in front of me when he went into my garage. I just hoped for him to carry on. We had something similar two years ago with the Toro Rosso. I don’t know what attracts people to stop in our garage but fortunately it had no affect. The guys kept their heads cool, we kept going and, as I said, we came out into the lead. Then I think we probably tried too hard staying on two stops so the middle stint ideally should have been a bit longer but in the end you find yourself out there on the hard tyre. I saw Lewis coming closer and closer and there was no point really. I tried to defend as much as I could without losing too much time to the guys behind but he found his way past easily. It was a difficult race for us. We did a couple of mistakes, on top of that we had some problems, but still we finished second so I am very, very happy with that. First of all, congratulations to Lewis and to McLaren. They did a very good job and it shows one race, you try something a bit different and if you do mistakes it is natural and there is someone else to beat you. I think it was a good race for us as we can learn a lot today. I am the only one with two stops up here so there is surely something to look into tonight.
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2011 Formula 1
Chinese
Grand Prix Race Results |
| P |
Driver |
Team |
| 1 |
Lewis Hamilton |
McLaren |
| 2 |
Sebastian Vettel |
Red Bull |
| 3 |
Mark Webber |
Red Bull |
| 4 |
Jenson Button |
McLaren |
| 5 |
Nico Rosberg |
Mercedes GP |
| 6 |
Felipe Massa |
Ferrari |
| 7 |
Fernando Alonso |
Ferrari |
| 8 |
Michael Schumacher |
Mercedes GP |
| 9 |
Vitaly Petrov |
Renault |
| 10 |
Kamui Kobayashi |
Sauber |
| 11 |
Paul Di Resta |
Force India |
| 12 |
Nick Heidfeld |
Renault |
| 13 |
Rubens Barrichello |
Williams |
| 14 |
Sebastien Buemi |
Toro Rosso |
| 15 |
Adrian Sutil |
Force India |
| 16 |
Heikki Kovalainen |
Lotus |
| 17 |
Sergio Perez |
Sauber |
| 18 |
Pastor Maldonado |
Williams |
| 19 |
Jarno Trulli |
Lotus |
| 20 |
Jerome d' Ambrosio |
Virgin |
| 21 |
Timo Glock |
Virgin |
| 22 |
Vitantonio Liuzzi |
Hispania |
| 23 |
Narain Karthikeyan |
Hispania |
| 24 |
Jaime Alguersuari |
Toro Rosso |
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Q: Just how difficult was it given the lack of communication you had with the pit-wall in the latter stages?
SV: It didn’t make it easier. Usually you exchange information, how the tyres are, what the other guys do, what tyres they are on and so on. I asked a lot of questions but did not get any answers. We had a problem with communication. On top of that we had some problems with the KERS during the race. It wasn’t a trouble free race. Mark obviously had a good race, very good pace, so the pace was there. It was there all weekend but once we decided to go to two stop you have to be patient, look after your tyres and when it doesn’t work it doesn’t work. That’s why I think we missed that one step today.
Q: Mark, after qualifying 18th yesterday you said given your luck on the Saturday you might get hit by a truck. It seems you drove that truck straight the way through the field today. A storming performance from third.
Mark WEBBER: Yeah, it was an interesting grand prix. I think we decided to start on the prime, the hard tyre, in the first stint which we know was not the most desired tyre for everyone in the field as it doesn’t really have the characteristics of a hard tyre in terms of sometimes duration and lots of things like that so got that out of the way. But that was quite tricky actually as even with the guys I was with it was not easy. Everyone was using the DRS at the same time, which we pretty much predicted, because of the type of cars ahead of me and how they qualified. It wasn’t easy to come back through those guys and I had a mistake in turn two on my in-lap, the tyres basically did not have much left of them, but I got the car back. We really started from there. When you still see P17 on your board after 15 laps, or whatever it was, you think ‘how is this going to come?’ But then all of a sudden I just felt comfortable with the car. I had a few sets of tyres left from after qualifying so that helped a bit. Maybe that is the best way to do it all the time, not even take part in qualifying and just go from there. But all jokes aside I think the guys did an incredible job. Back-to-back races for us and it is clear we have not had the smoothest run with my car, but they haven’t given up and that was a drive for them today and everyone back at the factory. Again congratulations to Lewis. It was good that someone finally, of course Seb is in the same team but he has been on a phenomenal run and we are all here together fighting for victories. Shame McLaren won in a way but also we can’t let Seb get too far away, so it was good day for the racing and good day for us in terms of points for the team.
Q: Lewis, your first grand prix race win of the season and the first non-Red Bull race win of the season. Is this game on in the title now?
LH: I think we have still got a long road ahead of us but we are working very, very hard to close the gap. I think the race pace we are quite similar but in qualifying we still have got a lot of work to do. But I am absolutely overwhelmed. It feels like a long, long time since I was sitting here. Feel very proud and extremely grateful for all the hard work the guys put in and I will continue to push. These guys do a fantastic job and I am looking forward to many, many more great races like this.
PRESS CONFERENCE
Q: Lewis, we were just talking about trying to remain calm in the garage with everyone rushing around wiping up whatever it was on the floor. But you had no idea what it was?
LH: I really didn’t know. The car just wouldn’t start. I was very, very curious. We have had it not start initially several times in the past so I thought it was nothing. But when they kept trying it was becoming more and more of a concern for everyone. I could see everyone was doing their best to find out what the situation was and also fix it so I didn’t want to be asking questions all the time, saying ‘what is going on, what’s going on’ so I just said ‘how long have we got until the pit-lance closes?’ It was six minutes at the time so I could relax really. I think I could relax at the time as I just have real confidence in the guys that they would figure it out. I didn’t think it was going to be too big a problem, but it was right on the limit. I don’t know how long?
Q: Thirty seconds.
LH: Thirty seconds, yeah. As I was driving to the light I was nervous that just as I got to it, it would go red, but fortunately we got out and there was no problem. Then there was a bit of a rush on the grid with the guys but as always they did a professional job, kept their heads cool and thanks to that we are sitting here having won.
Q: Combined with the fact that it has been a car that you have made into a winner in three weeks really from Australia where there were brand new bits on it. In itself, that is phenomenal.
LH: It is and that’s really a true showing of the strength of our team. We came out to Barcelona with the upgrade package we had there and it really wasn’t working and the reliability was a disaster. We couldn’t even get past 20 laps. Then they pushed very hard in the space of a week-and-a-half, two weeks, and it was just incredible what they were able to bring to Australia. Australia was our first race distance and the car has been great. It really has been great. Red Bull are doing a fantastic job. They are very, very fast. They have got a wonderful car and they are doing the job and we are having to push with absolutely everything we have to try and close the gap. I think today we were similar pace perhaps in the race, I think they were generally a little bit quicker, but I think it was just due to us just trying to be a little bit smarter on the strategy and making it work and fortunately it did today. Other times perhaps it won’t work out but today it did so we are very happy.
Q: Was that the reason for the emotion at the end. The relief of getting on to the top of the podium?
LH: I think the emotion probably comes from the desire to win, the desire to be better and the desire to compete against the toughest drivers in the world. When you haven’t won for a while, I can’t remember the last time I won but when you haven’t won for a while it feels like an eternity so you just keep pushing, trying to keep your mind fresh. I think with the whole thing that happened in the pit-lane, I was confident going into the race but perhaps I wasn’t even going to be in the race. I thought I was going to be back with Mark and obviously just the way the race turned out. I came out behind someone and I think Sebastian came past me at one stage. I wanted to pit at one stage and Jenson was pitting so I couldn’t pit as he was pitting. I had to try and keep things up and I was just able to pull through several cars. I couldn’t believe I was catching Sebastian. He was doing a great job to stay ahead. He put up a very, very fair and strong fight and I am very happy I was able to get by.
Q: Was it an enjoyable race for you as it was for us?
LH: It was absolutely, every inch of the race, every second, was incredibly enjoyable. I love being able to fight with different drivers and have the battles and have them at their best. I really felt that today. Whilst the tyres were going off on some of the cars I felt they were really performing and driving very well to defend their position, so it made that even more exciting.
Q: Sebastian, there was only one retirement. Can I ask you about traffic. Was it really busy out there?
SV: As usual I would say. The track is fairly long so it spreads out, but it depends which cars you talk about. There are some cars you come across a bit more often than others so it wasn’t too busy.
Q: After your run of wins is second a disappointment?
SV: To be honest I don’t think so. I have not seen all that happened but from the bit that I saw I think there is a very important lesson to be learnt today. The strategy that I picked was not the one that was meant to be the best but these things happen. You never know until you cross the line. If the race is a little bit shorter, if the tyres are holding, we are talking two laps every stint holding together a little bit more, then it could be different. But in the end I was struggling a lot. You just wait to turn the car around, wait to get on power as you haven’t got much tyres left. It was quite a nice fight with Lewis, twice down the long straight I was able to just stay ahead and also for the next corner but I saw that there were seven laps to go so not much that I could do. To be honest I was quite surprised by his move into turn seven. I think he did a very good there and surprised me. Congratulations to them. I think we have given it our best and I don’t see second today as a disappointment. Mark proved the car was very quick today. For us with a different strategy you cannot always show everything you have. First stint I was very happy. Even though we lost the start, being third, I had the feeling I could have gone a bit longer but for strategy reasons you pit earlier. But all in all we are happy with second. First was not meant to be so second is the best we could do today.
Q: Looking at the start, did you use KERS at the start?
SV: I did, but to be honest, my initial launch was not 100 per cent. I probably had problems to really start going; you feel that inside the car. It’s hard to wait then and I was probably a bit too aggressive later on. You can’t use KERS straight away, you have to wait until you reach 100kph, so I saw that I immediately lost a position to Jenson, which wasn’t nice and then Lewis behind. I tried to defend hard into turn one, but at some point you have to give up and let the guy go. As I said, in general, the fight with him today was very fair. It was quite entertaining and good fun from that side.
Q: Mark, a phenomenal drive all the way up from 18th on the grid. Was it enjoyable for you?
MW: It was obviously a very interesting Grand Prix for me. We decided to get rid of the hard tyre in the first stint because we knew we were going to be in a bit of traffic. That worked out well, the guys made the best decision there to… it was their call to start on the prime and that worked out well. Well, I went off the track in turn one, I was struggling with the tyre and I thought “my God, this day is getting difficult” so I just kept my head down and focused on the next corner to give it everything. The guys did a good job in the pit stops; the first one was not the best, but after that they did a very, very good job. I got a bit lucky today – we didn’t have so much yesterday, but hey, look, I’ll take as much as I can get. I still had to do a little bit of driving today so it wasn’t too bad, so thanks to the guys.
Q: And a fair amount of racing; you could have done with a few more retirements rather than one, couldn’t you?
MW: Absolutely. I was looking for more yellow flags, a few more retirements, a couple of Vodafone cars pulled over but nothing, no yellow flags, I had to pass everybody. Yeah, I really earned it today, I think. I think the DRS position was pretty good for the race, in terms of overtaking. Maybe we need to look at top gear for the sport, to get that right between low and high fuel, because sometimes it’s hard. We have DRS but we’re on the limiter. The DRS, basically, sometimes doesn’t work because you have the wrong top gear, it’s the same for everyone. So anyway, we learned quite a bit today, a great result for the team, second and third. Congratulations to Lewis, they got the race.
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Last Updated ( Sunday, 17 April 2011 )
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Newsflash
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Sunday, 17 April 2011 |
2011 CHINESE GRAND PRIX
“TODAY IS IN MY TOP THREE RACE WINS”
Shanghai International Circuit, Sunday April 17
LEWIS HAMILTON
MP4-26A-01
Started: 3rd
Finished: 1st
Fastest lap: 1m40.415s (+1.422s, 2nd)
Pitstops: Three: laps 15, 25 and 38 (Op-Op-Op-Pr)
2011 points: 47 (2nd)
“I’m still struggling for words – that really was one of my best races.
“Before the start, I was sat in the car and thinking, ‘Okay, let’s go,’ but the car wouldn’t start. I didn’t question what was going on, I just wanted to stay calm and not add to everyone’s stress. When I finally left the garage, I drove down the pitlane watching the light and hoped it wouldn’t turn red – and it didn’t! It’s never been that close before…
“It’s rare to have battles like the ones we saw today; you really had to think about the situation, and I loved that challenge, but having to overtake people made things so much sweeter.
“At the end, it was tough to get past Sebastian – even though he was getting slower, he never looked like getting out of shape. It was always going to be difficult to follow him onto the back straight, so I wanted to get him before then – I wasn’t expecting to overtake where I did, but I had the grip to keep ahead, and I made it stick.
“Looking back at these three flyaways, it still feels absolutely amazing to have a car beneath us that can compete. We’ve still got some way to go to close the gap to the Red Bulls, but we had the better strategy and were able to execute it really well. The team will keep on pushing as hard as ever as we head into the European season.
“I feel so proud: this race is in my top three of race wins, it’s up there with Silverstone and Monaco in 2008. I exist and I live and I breathe to win: I love winning and I just couldn’t be happier.”
JENSON BUTTON
MP4-26A-04
Started: 2nd
Finished: 4th
Fastest lap: 1m40.623s (+1..630s,3rd)
Pitstops: Three: laps 14, 24 and 37 (Op-Op-Op-Pr)
2011 points: 38 (3rd)
“Firstly, I want to say congratulations to Lewis – he had good pace and drove a great race today. It was also a fantastic job by the whole team.
“I had a pretty interesting race – I lost out to Sebastian at the first pitstop when I mistakenly pulled into his box. I was looking down at the steering wheel to adjust a switch: when I looked up, I thought I was in my pitbox, but then I saw the Red Bull pitcrew in front of me! But that moment didn’t really change my race at all.
“We saw a lot of action out on the track today, but we just weren’t quick enough today. For some reason, I really struggled to look after the rear tyres, and fourth place was the best I could get out of my car today.
“Nowadays, getting strategy right is very important. I didn’t have a clue where I was going to finish: I could have been seventh, I could have been second.
“Nonetheless, fourth position is a good result, all things considered. Now I’m looking forward to getting back to MTC and improving the car for the next race. We’ll be pushing as hard as ever, and this victory will be a great motivator for everybody back in Woking – they’ll all be wearing their Rocket Red Victory T-shirts.”
MARTIN WHITMARSH
Team principal, Vodafone McLaren Mercedes
“In grands prix nowadays, there is so much action that, if you get it slightly wrong, you’re toast. Today, I think both Lewis and Jenson drove brilliant, charging races, just fantastic..
“This was our first win of the year, a really important one, and a reward for all the work that everyone at Vodafone McLaren Mercedes has put in over the last six weeks.
“Before the race, we tried to start Lewis’s engine, but his car suffered what we believe to have been a fuel flooding issue. At a certain rate, a pressure release valve pops and lets fuel out. It let fuel out into the engine’s airtray, flooding it. With too much fuel, the engine won’t start, so the mechanics hurriedly took the airtray out – cleaned up the excess fuel and fired it up. We quickly assembled the car and sent it to the grid with 60 seconds to go.
“The mechanics did an absolutely superlative job to identify the problem and rectify it within a very stressful timeframe – they really showed today that they are the best in the world. I take my hat off to them.
“Both drivers’ races were eventful: Lewis responded magnificently to the pressure to record one of his most finely judged and aggressive race wins. He really is a magnificent fighter and this victory was the perfect way for us to head into the European season.
“Jenson also drove a fine race, although he was hampered by tyre drop-off issues that sadly left him unable to counter the attack of Mark [Webber] in the closing laps. That was frustrating, but it’s racing.
“I think today showed that Formula 1 can deliver spectacular, fast, close, nailbiting racing. That must have been one of the most exciting races I’ve ever seen. It’s incredibly rewarding to know that our sport is in good shape and that Vodafone McLaren Mercedes is a winning force in Formula 1 – today will be a fantastic boost for every man and woman in the team, and it will only motivate us to achieve even greater things in Turkey next month.
“Now we’ve just got to win some more!”
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Newsflash
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Thursday, 14 April 2011 |
| 2011 FIA Formula One World Championship Chinese Grand Prix Preview |
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Round three of the 2011 FIA Formula One World Championship brings teams and drivers to China’s Shanghai International Circuit.
The Chinese Grand Prix, part of the World Championship since 2004, is unusual in having had a different winner for each of its seven editions.
Six of those winning drivers – Rubens Barrichello, Fernando Alonso, Michael Schumacher, Lewis Hamilton, Sebastian Vettel and Jenson Button – will this year be aiming for their Shanghai double and all will be mindful of the particular challenges of this event.
Not only does the circuit’s unusual twisting layout place high demands on the chassis of a Formula One car, weather conditions can be extremely
unpredictable as well: four of the past five races have been
rain-affected. The circuit features one of the longest main straights on the F1 calendar and it is likely that cars with the best KERS and DRS packages will be able to demonstrate their
effectiveness particularly well here.
The SIC, located 30 kilometres north-west of China’s dramatic business capital, is noted for its grand scale and ultra-modern architecture. Designed by Hermann Tilke, it has the capacity for 200,000 spectators – 29,000 of them in the main straight grandstand alone. Located in Shanghai’s Jiading
district, SIC forms the centrepiece of an area earmarked for development as an ‘Auto City’.
This weekend’s race marks the last of the early-season fly-away Grands Prix, before a brief two-weekend pause in advance of the Turkish Grand Prix, from May 5-8.
Circuit Data
-Length of lap 5.451km
-Lap record 1:32.238 (Michael Schumacher Ferrari, 2004)
-Start line/finish line offset 0.000km
-Total number of race laps 56
-Total race distance 305.066m
-Pit lane speed limits:
-60km/h during practice;
-100km/h during qualifying and race
Changes to the circuit since 2010
Track resurfaced on approach to turns 1, 8, 11 and 14
For improved drainage the levels of the verge on the left in turn 5 have been altered.
A 4.5m debris fence has been installed straight on at turn 14
Further attempts have been made to improve drainage before and after turn 16
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Two sections of the Shanghai International Circuit have been nicknamed ‘snails’, owing to their curling shape: the first at turns 1, 2 and 3, has a closing radius, while the second, at turns 10, 11 and 12, has
an opening radius.
► Sebastian Vettel will this weekend be attempting to win his fifth grand prix in succession. The reigning World Champion won the final two races of 2010 and the first two 2011 races in Australia and Malaysia. Vettel has won five of the last six grands prix and has led them all. He has started five of the last six grands prix from pole position.
► Although familiar to the Formula One fraternity as a Grand Prix host circuit, the SIC has also staged many other major international race series, including: MotoGP, DTM, Australian V8 supercars and GP2 Asia.
► SIC mixes traditional with modern: the team offices built on stilts above a lake were inspired by the water gardens in Shanghai’s Yu-yuan garden, while many of the circuit’s buildings feature the red and gold of the Chinese flag.
► The circuit and all its buildings were constructed from scratch in 18 months. The site was originally swampland, requiring 40,000 support piles between 40 and 80 metres tall to be sunk, in order to provide secure foundations. A layer of polystyrene topped off the concrete sub-structure – a requirement so vast that the entire available Asian stock of polystyrene was purchased, to facilitate construction. The location of the circuit has since required the foundations of some sections to be reinforced, to guard against subsidence.
► Shanghai International Circuit was the third of Hermann Tilke’s Formula One circuit designs. Tilke has also built all-new F1 facilities in Abu Dhabi, Bahrain, China, Korea and Turkey as well as modifying F1 circuits in Spain, Japan, Germany, and France. This year’s Indian
Grand Prix will also be run at a Tilke-designed track.
► Nick Heidfeld, who finished third at last weekend’s Malaysian Grand Prix, is the driver to have scored the most points without winning a race. His tally of 240 since his debut at the 2000 Australian GP has included eight second places and five thirds.
► Shanghai has a population of almost 17m. Founded in the 11th century, it became the centre of China’s textile industry and later a major business hub. After opening to international trade in 1842, it developed as a cosmopolitan economic powerhouse, a reputation it continues to enjoy.
► Despite being the world’s most populous country, China has yet to produce a fully-fledged Formula One driver. Chinese-Dutch Ho-Pin Tung, who races under a Chinese
license, has, however, tested for F1 teams.
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Newsflash
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Thursday, 14 April 2011 |
| 2011 CHINESE GRAND PRIX - PREVIEW FEATURE |
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Other circuits may dispute the fact, but the Shanghai International Circuit currently boasts the longest straight in Formula One. The run from turns 13 to 14 totals 1170m - the equivalent to 11 football pitches laid end to end, or the same length as three and a half of the world’s biggest aircraft carriers - and represents one of the toughest tests of the year for a Formula One engine. This special challenge in Shanghai led us to delve into exactly what stresses and strains the engine undergoes during the lap and on that extremely long straight…
How long is the back straight in Shanghai and how does it compare to other circuits?
The back straight at Shanghai International Circuit covers 1170m, equivalent to 21.4% of the total lap distance. This is the longest straight encountered during the Formula One season, closely followed by Abu Dhabi (1140m), Monza (1120m) and Yeongam (1050m).
What demands does this place on a F1 engine?
The engine spends a full 17 seconds at wide open throttle, which represents approximately 18% of last year’s pole position time. This is the second longest period at wide open throttle of any circuit: it is exceeded only by Spa, where the run from La Source to Les Combes (including Eau Rouge) lasts for 23.5 seconds. Conversely, Monaco has the shortest: a mere 7.5 seconds.
How demanding a circuit is Shanghai for the engine overall?
In terms of the percentage of the lap spent at wide open throttle, Shanghai is actually among the least demanding circuits of the year: 62% of the lap compared to the maximum value of 83% in Monza.
What loads do the engines moving parts undergo during the lap of Shanghai?
A piston will complete over 12,000 cycles, and the crankshaft 24,000 rotations, during every lap in Shanghai: this can be translated to nearly 2km of distance travelled by the piston. Out of that, 450m are accounted for in the back straight. At peak revs, the pistons will be subjected to accelerations of 81,000m/s2. This acceleration equates to more than 8,250G and the force held by the piston exceeds 50kN - equivalent to the weight of more than three standard road cars. For the valves, life is even tougher: they experience higher accelerations, with impact pressures almost 30 times greater than those endured by the pistons during combustion.
What role do the lubricants play?
Specially formulated PETRONAS Syntium lubricants play a crucial role in blending performance and reliability. Bearings, for example, suffer critical conditions at both high and low speeds. Much of the time, lubricated surfaces are separated by gaps smaller than a micrometre - in other words, less than one thousandth of a millimetre.
How much air does the engine admit at maximum revs?
At 18,000 rpm, the engine admits around 450 litres of air per second - which would equate to 27,000 litres per minute at maximum revs. By way of comparison, a Mercedes-Benz C-Class Estate has a load capacity of 485 litres.
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Newsflash
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Thursday, 14 April 2011 |
THE CHINESE GRAND PRIX FROM A TYRE POINT OF VIEW
Shanghai (China), April 14th 2011 - Less than 72 hours after concluding the Malaysian
Grand Prix, Pirelli is preparing for the Chinese Grand Prix, round three of the 2011
Formula One World Championship. As was the case in Australia, the teams will have an
extra set of hard compound tyres for use during Friday’s first free practice session only.
The allocation for the rest of the weekend is unaffected.
TYRE ‘MARBLES’:
The hard and soft PZero tyres are nominated for the Chinese Grand Prix, with the aim of
seeing at least two pit stops per car, in line with Pirelli’s philosophy of promoting
overtaking both on the track and in the pits.
The faster tyre wear compared to previous years can lead to strips of rubber being
deposited on the track, which vary in size but are generally the shape and consistency of
toffees, weighing between 10 and 20 grams on average. These strips are pliable when
warm but become more rigid when they cool down, just like toffee. These rubber
‘marbles’ have always existed in Formula One, but the characteristics of Pirelli’s new
compounds mean that the pieces are on average larger and softer than the hard and
round ‘marbles’ that have been seen at grands prix in the past.
A Formula One tyre, which weighs approximately eight and a half kilograms when new,
will lose around a kilogram and a half as it wears over the course of a stint. With an
increased number of pit stops, more rubber will be laid down on the track.
This phenomenon is not new in Formula One, but it is most pronounced at circuits where
there is a high degree of tyre wear, like Malaysia. Pirelli is looking at ways to reduce
these deposits in future, but rubber on the circuit is an inevitable by-product of
degradation and the ‘marbles’ left on the circuit pose no danger to competitors or
spectators.
The surface and weather in China is generally less aggressive than Malaysia, with
conditions more similar to Australia. This means that there should be 30% less tyre wear
and fewer pit stops than seen at the Malaysian Grand Prix, which provided a thrilling
battle from start to finish.
THE TRACK:
The Shanghai International Circuit is characterised by rapid straights and very long
corners, providing a tough test for the tyres. The track is 5.451 kilometres long with a
race length of 305.066 kilometres after 56 laps on a smooth surface. The first corner
tightens, putting all the strain on the front-left tyre: which will be cold at the beginning of
the race. As this corner develops a sharper radius, aerodynamic grip decreases and the
emphasis switches to mechanical grip. Leaving the opening complex the drivers change
up rapidly through the gears, reaching 280 kilometres per hour in a breath-taking sweep
up to the top of the circuit.
Turn 13 is the most challenging corner of the lap, where the left-rear tyre is subjected to
a lateral acceleration that triples the normal load on the carcass. This is accentuated by
the camber of the circuit, which suffers from subsidence in certain places.
At the end of the straight the drivers brake hard into a tight right-hand hairpin (turn 14)
that is taken in first gear, scrubbing off the top speed produced by more than 830
horsepower in less than three seconds.
It’s then up to the tyre compound to provide maximum grip to reduce wheel spin
throughout the final crucial complex of corners that leads to the start-finish straight.
PIRELLI’S MOTORSPORT DIRECTOR SAYS:
Paul Hembery: “We’re looking forward to another thrilling race in China, although we
don’t want to disappoint anybody who says that we’ve made the races too exciting: it’s
true that if you get up in the middle of the grand prix now, the chances are that you’ll
miss something important! Once all the different strategies had played out, the last 10
laps in Sepang were absolutely thrilling – but you can’t make an omelet
without breaking eggs, or, in the case of Malaysia, rubber. The rubber ‘marbles’ on the track are
a natural consequence of the increased degradation that has led to more exciting races:
all that rubber has to go somewhere, just as it has always done in the past. Having said
that, we’re here to serve the teams’ best interests and we're looking at ways of reducing
some of the deposits in the future. But that’s not going to change our fundamental
philosophy: we want to give racing back to the racers.”
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