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Hungary 2009: Post-Qualifying Car Weights

Hungary 2009: Post-Qualifying Car Weights

The FIA have published the weights of the top ten qualifiers and the declared weights of the remaining ten cars following the qualifying for the Hungarian Grand Prix. Using Williams’s reckoning of the Hungaroring using 2.48kg of fuel over a normalised distance of 5km, we can figure out that over the course of a 4.381km lap, the cars will use 2.17298kg of fuel. Taking the minimum weight of 605kg off, and allowing for a couple of laps for grid formation and margin, we can estimate when the cars will make their first pitstop tomorrow, and therefore their strategies. Assuming of course it doesn’t rain and that the safety car remains in the pitlane.

Hungary 2009
Post-Qualifying Car Weights

Car Weight
Kilograms

Fuel Weight
Kilograms

First Stop
Estimated Lap

1. Fernando Alonso Renault 637.5 28.2 13
2. Sebastian Vettel Red Bull Racing 655 45.7 21
3. Mark Webber Red Bull Racing 652 42.7 20
4. Lewis Hamilton McLaren 650.5 41.2 19
5. Nico Rosberg Williams 654 44.7 21
6. Heikki Kovalainen McLaren 655.5 46.2 21
7. Kimi Raikkonen Ferrari 651.5 42.2 19
8. Jenson Button Brawn 664.5 55.2 25
9. Kazuki Nakajima Williams 658 48.7 22
10. Sebastien Buemi Scuderia Toro Rosso 671.5 62.2 29
11. Jarno Trulli Toyota 671.3 62 29
12. Rubens Barrichello Brawn 689 79.7 37
13. Timo Glock Ferrari 679.2 69.9 32
14. Nelson Piquet Jr. Renault 667.7 58.4 27
15. Nick Heidfeld BMW 658 48.7 22
16. Giancarlo Fisichella Force India 680.5 71.2 33
17. Adrian Sutil Force India 683.5 74.2 34
18. Robert Kubica BMW 666 56.7 26
19. Jaime Alguersuari Scuderia Toro Rosso 675.5 66.2 30

From the table, we can see that Fernando Alonso was quite light in qualifying. In fact, he is the lightest car on the grid, by some margin. The Red Bulls have hit the fuel load somewhere around the same as most others, although Jenson Button is the heaviest of the top ten.

Felipe Massa isn’t included in the table because his car weight was not mentioned, the F60 in question being substantially damaged following the Brazilian’s qualifying-ending accident.

Outside of the top ten, we can see that most are opting for a three-stop race, although Sebastien Buemi, Jarno Trulli, Rubens Barrichello, Timo Glock, Nelson Piquet Jr., Giancarlo Fisichella, Adrian Sutil and Jaime Alguersuari are going to attempt a two stop race. Robert Kubica and Jenson Button remain fairly flexible and could go either way, depending on how their races unfold.

The heaviest driver on the grid is Rubens Barrichello, who with his fuel load can get all the way to lap 37 in theory. The lightest driver is pole-sitter Fernando Alonso, who will be visiting his garage for a glug of fuel shortly after the lights go out tomorrow afternoon (around lap 13).

Oliver White

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