A Formula One engine is less powerful at Interlagos. The circuit in Brazil, located just outside the sprawling megalopolis of Sao Paulo, is 700 metres above sea-level. "The atmospheric pressure, which is usually situated at around 1000 millibars, is therefore reduced to around 920," said Renault's engine man Denis Chevrier.
An aspirated engine feeds on oxygen, so - if there is less oxygen in the air - the effective combustion will be lower. Chevrier said an Interlagos-spec V10 is about eight per cent less powerful than at a normal grand prix venue.
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| 2004 Brazilian Formula 1 Grand Prix | |
|---|---|
| 28 Oct '04 | Paddock news round-up from Interlagos |
| 25 Oct '04 | Webber fumes at Klien |
| 25 Oct '04 | Massa led a lap |
| 25 Oct '04 | Heidfeld and Raikkonen fined |
| 25 Oct '04 | Williams end season with a win |
| Dennis Chevrier | |
| 16 Jun '05 | 'Only Senna beats Alonso' |
| 31 May '05 | No engine worries at Renault |
| 5 Apr '05 | Renault engine chief reflect on joy and engine blow |
| 18 Oct '04 | Less power in Brazil |
| 3 Oct '04 | Suzuka engine preview |
| Formula 1 | |
| 24 May | No mid-season Ferrari switch, Pérez repeats |
| 24 May | Latest F1 photos: Thursday in Monte Carlo |
| 24 May | Häkkinen tipping Lotus in Monte Carlo |
| 24 May | Räikkönen running James Hunt helmet design |
| 24 May | Monaco GP: Full Practice 1 results |
| Dennis Chevrier | |||
|---|---|---|---|
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| More Dennis Chevrier photos | |||
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