Toyota TF105

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Toyota TF105/TF105B
Category Formula One
Constructor Toyota F1
Designer(s) Flag of the United Kingdom Mike Gascoyne
Technical Specifications
Chassis carbon-fibre and honeycomb composite monocoque
Fuel Esso
Tyres Michelin
Competition History
Notable entrants Panasonic Toyota Racing
Notable drivers Flag of Germany Ralf Schumacher
Flag of Italy Jarno Trulli
Debut 2005 Australian Grand Prix
 Races   Wins    Poles     FLs   
18 0 2 1
Constructors' Championships 0
Drivers' Championships 0

The Toyota TF105/105B was a Formula One car for the 2005 Formula One season. It was designed by Mike Gascoyne. The year was statistically the team's most successful, with 88 points, five podium positions and a fastest lap. The low-point was the withdrawal of the team from the 2005 United States Grand Prix, due to Michelin tyre safety concerns, as Ralf Schumacher's left front tyre deinflated on Indianapolis' famous last corner in Friday practice and Schumacher crashed into the wall and had to be taken to hospital. Ricardo Zonta replaced him, but neither of the Toyotas started the race. The team eventually finished fourth in the Championship, their best ever Championship placing.


Jarno Trulli in the TF105.

Work began on the design and manufacture of the TF105 shortly before the end of the 2004 season, as work had to be done on the engine to make sure that it would safely endure two race meetings, which was a requirement in the FIA regulations for 2005. Many elements of the car were entirely new. The car's design was supervised by Technical Director Mike Gascoyne, and the chassis was designed by Gustav Brunner.

Toyota's form shocked many in the F1 paddock, as the Toyota team claimed two second placed finishes in a row and 27 points in the first three races of the season. The car was driven to 88 points with the team, with 5 podium positions also being scored.

The introduction of the TF105B

The car was updated to the TF105B for he 2005 Japanese Grand Prix. It was unique as it ran without a keel, and the suspension was mounted higher on the car than the TF105. It seemed to particularly suit Ralf Schumacher, as on its first outing, Ralf took pole at Suzuka, helped by his knowledge of the track from his Formula Nippon days. The TF105B was led to points finishes twice by Ralf Schumacher, with 7 points in total being scored with the car, including a podium in the 2005 Chinese Grand Prix.

Indoor Speed Record

A TF105 set the previously nonexistent indoor speed record on an episode of Top Gear during the eighth series. With the ExCeL Exhibition Centre empty, The Stig set a record of 81 mph, due to the lack of grip on the polished floor and the limited distance.

Complete 2005 Formula One results

Year Tyres Drivers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Points WCC
Ralf Schumacher 12 5 4 9 4 6 Ret 6 - 7 8 6 3 12 7 8 8 8 3
Jarno Trulli 9 2 2 5 3 10 8 Ret DNS 5 9 14 4 6 5 Ret 13 Ret 15
Ricardo Zonta - - - - - - - - DNS - - - - - - - - - -