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RACER Staff
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05/21/2007 - 07:00 PM
Hinwil, Switzerland
BMW will have several upgrades for Heidfeld and Kubica at Monte Carlo, Rampf reveals. (LAT Photo) » More Photos
A new power steering system and front-wing aerodynamic upgrades are BMW Sauber's main novelties for drivers Nick Heidfeld and Robert Kubica at this weekend's Monaco Grand Prix, technical director Willy Rampf reveals in this interview conducted by BMW's press office.
Q: In what way does Monaco differ from other circuits?
Willy Rampf, BMW Sauber Technical Director: "Monaco produces the lowest average speeds of any race over the course of the year. There is no start-finish straight as such, which means top speed plays a very subordinate role. It's more or less a case of one corner following the next, and this highlights clear priorities."
Q: What are the implications for the car's aerodynamics?
"We run maximum levels of downforce in Monaco. And that means using parts which generate a lot of downforce but also produce a large amount of drag. Downforce is everything here. You carry as much wing as possible and sometimes also use extra wing elements designed specially for this type of track - all, quite simply, because aerodynamic efficiency
Q: Will you be using new parts for the BMW Sauber F1.07?
"We have developed a new front wing generating maximum downforce, which we used for the first time – successfully – in Barcelona. We will modify this wing again for Monaco. Plus, we will be introducing totally new front brake ducts and modifications to the rear bodywork. In addition, we will also use for the first time a new power steering that provides more feedback to the drivers."
Q: Did the supercomputer with Intel processors play a role in the development of these parts?
"Our supercomputer Albert2 generally plays an important role in aerodynamics development. A large number of parts are developed using computer-aided airflow simulation prior to testing in the wind tunnel. The work of the supercomputer is particularly prominent in the development of brake ducts. These are highly complex components which can only be optimized to a very limited degree in the wind tunnel, as the temperature of the brake discs cannot be simulated there."
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