Toyota TF107

Toyota TF107
	Jarno Trulli driving the TF107 at the 2007 United States Grand Prix
Category	Formula One
Constructor	Toyota
Designer(s)	Noritoshi Arai (Director Technical Coordination); Pascal Vasselon (Senior General Manager Chassis); Mark Tatham (Chief Designer); Mark Gillan [ ja ](Head of Aerodynamics)
Predecessor	TF106
Successor	TF108
Technical specifications
Chassis	carbon-fibre and honeycomb composite monocoque
Suspension (front)	Zero-keel Double wishbone, carbon fiber pushrod & trackrod actuated coil springs over Penske dampers.
Suspension (rear)	Double wishbone, carbon fiber toe link and pushrod over Penske dampers.
Length	4,530 mm (178.3 in)
Width	1,800 mm (70.9 in)
Height	950 mm (37.4 in)
Wheelbase	3,090 mm (121.7 in)
Engine	Toyota RVX-07 2,398 cc (2 L) V8 (90°) naturally aspirated, mid-engine, longitudinally-mounted
Transmission	Toyota 7-speed "Seamless shift"
Power	750 hp @ 19,000 rpm
Fuel	Esso
Lubricants	Esso
Brakes	Brembo Hitco carbon-carbon calipers & Brembo master cylinders
Tyres	Bridgestone Potenza, BBS forged magnesium wheels
Competition history
Notable entrants	Panasonic Toyota Racing
Notable drivers	11. Ralf Schumacher ; 12. Jarno Trulli
Debut	2007 Australian Grand Prix
Last event	2007 Brazilian Grand Prix
Constructors' Championships	0
Drivers' Championships	0

Last updated December 16, 2023

The Toyota TF107 is the car with which the Toyota team competed in the 2007 Formula One season. It was revealed in Cologne on 12 January, prior to an exhaustive testing regime.

Aerodynamics

The main changes in comparison to its predecessor, the TF106B were aerodynamic.^[3] The position of the engine was moved forward by 100 mm, meaning that the chassis tub was shorter. This was achieved by reshaping the monocoque, and did not incur a reduction in size of the fuel tank.^[4]

The area below the nose of the car was clear of intrusion from suspension components due to the "zero keel" design. In fact at the front of the car, the monocoque was 30mm higher than on the TF106B, which resulted in dramatically sloped suspension wishbones. Although this approach compromised the front suspension geometry possibilities, the Toyota engineers came to the conclusion that this was not a problem.^[3]

Engine and gearbox

Owing to the new homologation rules on engines imposed by the FIA, the engine (called the RVX-07) was based on that used by Jarno Trulli in the 2006 Japanese and Brazilian Grands Prix. Only limited changes from this design were allowed, in order to optimise performance for the 19000 rpm rev limit which was enforced in 2007. Several changes were made to the pistons and valves and other components, although the engine block could not be changed.^[3]

In 2007, the WilliamsF1 team used Toyota engines as a customer team. As part of this partnership, Toyota used a new gearbox developed in collaboration with Williams, which used seamless shift technology.

Only the gearbox internals were shared with the Williams's 2007 car, the FW29, the TF107's gearbox casing being made by Toyota.^[3]

Performance

The car was less successful than the previous year's TF106, which managed 35 points in the season. The TF107's 13 points were amassed with seven points scoring finishes, including two 6th places, one for Jarno Trulli at the 2007 United States Grand Prix and one for Ralf Schumacher in Hungary. Trulli scored points on three other occasions, with Schumacher finishing in the points in two other races. By the end of the season, the team embarrassingly scored less points than WilliamsF1 who have the same engine as them in the Constructors' Championship. Ralf Schumacher did not have his contract renewed. He was replaced by fellow German driver Timo Glock for the 2008 season.

The car's best qualifying position was in the hands of Ralf Schumacher, who took 5th place in Hungary. It made the top ten 20 times out of a possible 34.

Complete Formula One results

(key) (results in bold indicate pole position)

Year	Team	Engine	Tyres	Drivers	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	Points	WCC
2007	Toyota	Toyota V8	B		AUS	MAL	BHR	ESP	MON	CAN	USA	FRA	GBR	EUR	HUN	TUR	ITA	BEL	JPN	CHN	BRA	13	6th
				Ralf Schumacher	8	15	12	Ret	16	8	Ret	10	Ret	Ret	6	12	15	10	Ret	Ret	11
				Jarno Trulli	9	7	7	Ret	15	Ret	6	Ret	Ret	13	10	16	11	11	13	13	8

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References

↑ statsf1.com/en/moteur-toyota.aspx
↑ "Toyota launches the TF107 in Cologne". Motorsport.com. 16 January 2007. Retrieved 9 June 2023.
1 2 3 4 "Winning Is Everything", Toyota TF107 launch article, Autosport magazine, 18 January 2007
↑ f1technical.net Article on TF107 article Archived 19 August 2007 at the Wayback Machine

External links

Technical Specification and Detail of TF107

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[1] statsf1.com/en/moteur-toyota.aspx

[2] "Toyota launches the TF107 in Cologne". Motorsport.com. 16 January 2007. Retrieved 9 June 2023.

[Autosport_20070118-3] 1 2 3 4 "Winning Is Everything", Toyota TF107 launch article, Autosport magazine, 18 January 2007

[F1technical-4] 1technical.net Article on TF107 article Archived 19 August 2007 at the Wayback Machine

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