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China, engine & aero.

by Sir Gibby (U3298500) 15 April 2009
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Ok, this is not a race prediction thread but simply a straight line thread. China has a very long straight as we know so simple things like being able to cut through the air at high speeds and and having a good engine could pay dividends this weekend.

Kers could play a huge part i think too as that extra nudge could work out to be quite a lot over a long straight.

McMerc if they have sorted thier back end out could love this track as the engine and kers,is i think the best on the grid. Teams like Brawn and RedBull have great aero but without kers may fing overtaking hard here so im expecting them to go lighter than normal into quali.
This race will be good though...... i hope.

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posted Apr 16, 2009

Bridgestone are bringing the same compounds they took to Melbourne, and we know how durable the softer one was there. Shanghai is a different sort of circuit of course, and harder on the rear tyres than the fronts (unlike Melbourne) but I still think a car/driver who can drive a clean consistent line will benefit considerably.

--------------------------------------------

Just seen on Autosport that Alonso isnt happy with the compund choice.

There are few more 'long' corners at Shanghai than at Melbourne so this could put a lot of lateral load on the tyres, maybe we could get some de-laminating tyres. However the last forecast i looked at show heavy rain for sunday which would render that null and void.

As for the diffusers, i wouldnt be suprised if Renault had a "double-decker" one this weekend as we know they have designed one last year so would have been some way down the design process.

Im not an expert on diffusers but they look pretty integral to the rear aero so one designed at this stage of the season wont be as effective as the one on the Brawn, Toyoyta and Williams which were concieved with the rest of the car

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posted Apr 16, 2009

Kubica had to considerably slim down, so now he's near to anorexia...
He's much taller than Heidfeld, so significantly heavier.
He was faster (without KERS) than Nick (with KERS) in Melbourne, I doubt KERS will make his progress this week.

more ballast = bigger chance for engine's burst (like in Malaysia) 2 wks ago...

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comment by pthame (U11460432)

posted Apr 16, 2009

Some drivers are naturally quick drivers (Kubica, maybe Vettel) and do not need KERS. His performance in Melbourne was good without KERS and without the Brawn/Toyota/Williams rear diffuser before he had the incident with Vettel. KERS, granted, has given some drivers a speed boost but it hasn't exactly given drivers using it many points has it?

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posted Apr 16, 2009

Depending on the downforce of the car may depend on whether the car actually needs KERS or not, cars with alot of downforce, such as Brawn, Toyota, Williams and RBR and clearly do not need KERS. This system clearly gives a huge benefit on the straights but round corners, this seems to take out alot of performance. And in wet weather, which we saw in Malaysia, it is horrible to drive with, even Hamilton was struggling!<yikes> It looks as if KERS will have an effect on some cars, but not on others or if it does have any benefit, in total, it appears to be very minute.

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comment by Smithy (U7200068)

posted Apr 16, 2009

I think the system is more hassle than its worth.

I think the performance gain is minimal.

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posted Apr 16, 2009

pthame (U11460432)
No matter how naturally quick the driver, on the straight when it comes down to a straight race between two cars, Kers provides the extra grunt for overtaking. Lewis has proved that he can cope with the extra weright that other drivers, like the Ferrari pair,are finding difficult; he also used it to good effect when overtaking.It's not surprising Ferrari have dropped it for China.<cool>

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posted Apr 16, 2009

to make the best use of KERS is to know when to apply it as Lewis proved in Melbourne overtaking more cars than anyone

It will only work in China if the guy behind can get close to the car in front with the kers button to pull alongside we should see a lot of overtaking down the straight then

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posted Apr 16, 2009

For me, i think they brought kers in too early. It should have been introduced when all teams had it.
They said that there would be more overtaking this season. Why?
Because some have it and some don't. They take the skill out of real overtaking, slipstreaming. You won't see overtaking again when they all have it, unless something goe's wrong with it like at Ferrari, so what was the point?.

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posted Apr 16, 2009

Performance gain at the start should be a massive advantage for the KERS cars almost worth running on start alone particularly at Monaco, Hungary and Barcelona. And long straights too as pointed out - for me the advantage is in overraking that boost of speed when you need it. There's no point having a quicker car if your going to get caught behind someone else - particularly if they have heavier fuel which is going to ruin your race.

Surprised to hear the Ferrari's aren't using it in China - I would have thought any gremlins could have easily been ironed out in two weeks - maybe it's a red herring?

I think the point of KERS is drivers will generally use it at different points which was proved in Melbourne with Massa and Hamilton. Also if a driver is using KERS to keep ahead of his opponent then the 8 (or is it six?)second burst is going to run out quicker, conceivably a driver can use most of his KERS allowance ending a lap and start of next one and so get a bigger boost.

Ultimately isn't it supposed to be an advantage for Ferrari to use it - 0.2 secs a lap - and they haven't maximised it's potential like McLaren seem to.

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posted Apr 16, 2009

Ferrari have been arrogant in their car design.
Scrapping KERS is just the straw that broke the camels back.
The reason why Ferrari are doing bad is because their car isnt fast enough, KERS isnt the problem

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