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 Olivier Panis driving the Toyota TF104 at the 2004 United States Grand Prix in Indianapolis Motor Speedway | |||||||||
| Category | Formula One | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Constructor | Toyota | ||||||||
| Designer(s) | Keizo Takahashi (Technical Director) Gustav Brunner (Chief Designer) René Hilhorst (Head of Aerodynamics) | ||||||||
| Predecessor | TF103 | ||||||||
| Successor | TF105 | ||||||||
| Technical specifications[1] | |||||||||
| Chassis | Carbon-fibre and honeycomb composite monocoque | ||||||||
| Suspension (front) | Pushrod with torsion bar. Shock absorbers supplied by Sachs | ||||||||
| Suspension (rear) | As front | ||||||||
| Length | 4,627 mm (182.17 in) | ||||||||
| Width | 1,800 mm (70.87 in) | ||||||||
| Height | 950 mm (37.40 in) | ||||||||
| Axle track | |||||||||
| Wheelbase | 3,090 mm (121.65 in) | ||||||||
| Engine | Toyota RVX-04 3.0 litres (183 cubic inches) 72-degree V10 naturally-aspirated mid-engined and longitudinally-mounted | ||||||||
| Transmission | Toyota 7-speed with 1 reverse sequential semi-automatic with limited-slip differential | ||||||||
| Battery | Panasonic lead acid 12 volts | ||||||||
| Power | Around 900 bhp (671 kW) @ 19,000 rpm[2] | ||||||||
| Weight | 600 kg (1,323 lb) including driver and fuel | ||||||||
| Fuel | Esso | ||||||||
| Lubricants | Esso | ||||||||
| Brakes | Carbon-carbon ventilated front and rear discs + pads + calipers (all supplied by Brembo) | ||||||||
| Tyres | Michelin Pilot Sport F1 with BBS magnesium wheels | ||||||||
| Competition history | |||||||||
| Notable entrants | Panasonic Toyota Racing | ||||||||
| Notable drivers | 16.  Cristiano da Matta16/17. Ricardo Zonta16.  Jarno Trulli17.  Olivier Panis | ||||||||
| Debut | 2004 Australian Grand Prix | ||||||||
| Last event | 2004 Brazilian Grand Prix | ||||||||
| |||||||||
| Constructors' Championships | 0 | ||||||||
| Drivers' Championships | 0 | ||||||||
The Toyota TF104 was a Formula One car used by the Toyota F1 team during the 2004 Formula One season.
The car was the third and final Gustav Brunner and René Hilhorst designed Toyota in Formula One, and it was considered as another "evolutionary step" up from its predecessor the TF103, which in turn had been labelled a "evolutionary step" up from the TF102 used in 2002. Luca Marmorini continued to lead the engine design.
The car was initially driven by the same pairing as in 2003; Olivier Panis and Cristiano da Matta. However, by the time the season came to a conclusion, both drivers had been replaced by Italy's Jarno Trulli and the team's Brazilian ex-test driver Ricardo Zonta respectively.
- ^ "TF104 & RVX-04 Technical Specifications". toyota-f1.com. Panasonic Toyota Racing. 18 January 2004. Retrieved 18 January 2004.
- ^ statsf1.com/en/moteur-toyota.aspx