Williams Hungarian GP Friday Review

By Williams F1 Team
July 24 2009

 
 Williams Hungarian GP Friday Practice
Objectives P1
• Mechanical set-up and analysis of new aero components (including new front and rear wing)

Objectives P2
• Tyre evaluation and qualifying preparation
 
Nico Rosberg: Nico Rosberg
 "We have made some good progress today in the sessions, but I don’t yet feel completely happy in the car and I think we can find some more improvement tomorrow. The tyres will be quite interesting to work out as although they are quite close together, the option at the end of a run is obviously a bit slower than the prime. We will have to analyse carefully which way we go in the race and I think that the answer might not be too obvious. We also spent some time testing the new aero parts we have here."

Runs P1: run 1 new prime (1 lap) install, run 2 scrubbed prime (8 laps) baseline,
run 3 scrubbed prime (7 laps) mechanical set-up, run 4 scrubbed prime (5 laps) aero test
Runs P2: run 1 scrubbed prime (3 laps) baseline, run 2 new option (12 laps) tyre compare, run 3 new prime (12 laps) tyre compare, run 4 new option (2 laps) qualifying practice & aero test, run 5 scrubbed option (3 laps) aero test, run 6 scrubbed option (3 laps) aero test
Kazuki Nakajima: Nakajima
 "It was a good session today. We recorded some good long runs and although our short runs were not quite as good, if we can fix this by working with the data, we will be looking good for tomorrow."


Runs P1: run 1 new prime (1 lap) install, run 2 scrubbed prime (7 laps) baseline, run 3 scrubbed prime (6 laps) mechanical set-up, run 4 scrubbed prime (5 laps) mechanical set-up
Runs P2: run 1 scrubbed prime (3 laps) baseline, run 2 new prime (10 laps) tyre compare, run 3 new option (10 laps) tyre compare, run 4 new option (4 laps) qualifying practice, run 5 scrubbed option (3 laps) damper test
 
Sam Michael Technical Director WilliamsF1:
 Sam Michael"It was a good practice today, we managed to get through everything on set-up and testing the new aero parts we have here. Everything went well on both fronts. We then spent the afternoon session evaluating the two different tyres, both of which look quite good for us, so from here we will be concentrating on qualifying and refining the set-up for tomorrow. We had no technical problems today."
 
Practice Results: Top Three Drivers
 
Position Driver & Lap Time (Session 1) Driver & Lap Time (Session 2)
1 H Kovalainen 1:22.278 L Hamilton 1:22.079
2 N Rosberg 1:22.337 H Kovalainen 1:22.126
3 L Hamilton 1:22.554 N Rosberg 1:22.154
 
AT&T Williams Classification
 
Driver Chassis & Engine 1st Session Lap time 2nd Session Lap time
N Rosberg FW31-03/H454 1:22.337 (2nd) 27 laps 1:22.154 (3rd) 47 laps
K Nakajima FW31-04/H469 1:22.619 (5th) 25 laps 1:22.426 (5th) 40 laps
 
Practice Conditions
 
  Session 1 Session 2
Weather Sunny Sunny
Air Temp 24 - 26C 28 - 29C
Track Temp 30 - 40C 44 - 47C
 

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Williams Hungarian GP Friday Review
Discussion started by Williams F1 , 24/07/2009 16:41
Williams F1
24/07/2009 16:41
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crusty_bread
24/07/2009 17:12
I must say I find the breakdown of each run- how long it was, the purpose of it, and what tyres they used very useful.

I wonder whether the team brought scrubbed tyres from the previous race to start the first session with, or scrubbed new ones? It's baffling me.

I'm also curious to know how much fuel they ran with. Its probably that most runs finished with very little fuel remaining, but you never know- some runs the car could have been tanked up, but they did not run the fuel down all the way due to time-constraints-so they cut the odd stint short?

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gabal
24/07/2009 17:20
Teams can't use tyres from previous weekends, they get new tyre allocations each gp weekend. I guess that as soon as you do an installation lap that tyre is scrubbed.

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crusty_bread
24/07/2009 17:28
I see- yes-the installation lap was on new primes.
Looking closer, the entire first session, plus the beginning of the next session must have been done on the same set of primes, as only once were new primes introduced-on the first installation lap. So that's 30 laps on the same tyres for Rosberg and 28 for Nakajima- which is impressive.

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gabal
24/07/2009 17:32
Tyres weren't really tested then in first session. Logical as track is too green and any data doesn't give usefull information about tyre performance untill track gets a decent ammount of rubber on it.

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