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Brabham BT59
Brabham BT59Y
Category	Formula One
Constructor	Brabham
Designer(s)	Sergio Rinland (Technical Director) ; Hans Fouche (Head of Aerodynamics)
Predecessor	BT58
Successor	BT60Y
Technical specifications
Chassis	Carbon fibre and Kevlar monocoque
Axle track	Front: 1,803 in (4,579.6 cm) ; Rear: 1,701 in (4,320.5 cm)
Wheelbase	2,921 in (7,419.3 cm)
Engine	1990: Judd EV, 3,496 cc (213.3 cu in), 76° V8, NA, mid-engine, longitudinally mounted. ; 1991: Yamaha OX99, 3,498 cc (213.5 cu in), 72° V12, NA, mid-engine, longitudinally mounted.
Transmission	Brabham 6-speed manual
Fuel	1990: Elf ; 1991: BP
Tyres	Pirelli
Competition history
Notable entrants	Motor Racing Developments
Notable drivers	7. David Brabham; 8. Stefano Modena; 7. Martin Brundle; 8. Mark Blundell
Debut	1990 San Marino Grand Prix
Constructors' Championships	0
Drivers' Championships	0

The Brabham BT59 was a Formula One racing car designed by Sergio Rinland and Hans Fouche for the Brabham team which raced in the 1990 and 1991 Formula One World Championships. It made its debut at the 1990 San Marino Grand Prix and continued until the first two races of 1991.

1990

The team's cars were driven by Australian David Brabham, the youngest son of team founder Sir Jack Brabham, and one of the team's 1989 drivers, Italian Stefano Modena. The car was powered by the Judd V8 engine and ran on Pirelli tyres.

After a promising first half of the 1989 season which saw Modena finish 3rd in Monaco, Brabham began to fall back down the grid. Lack of money and lack of power from the Judd V8 as well as inferior Pirelli rubber not helping the team in their quest to return to the top of Formula One. The best result achieved in 1990 was a seventh place at the Canadian Grand Prix driven by Modena.

1991

For the 1991 season, the car was dubbed BT59Y and fitted with a Yamaha OX99 V12 engine. Driven by British drivers Martin Brundle and Mark Blundell, the BT59Y was used only in the first two races and then replaced by the Brabham BT60Y.

Complete Formula One results

(key)

Year	Entrant	Chassis	Engine	Tyres	Drivers	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	Pts.	WCC
1990	Motor Racing Developments	BT59	Judd V8	P		USA	BRA	SMR	MON	CAN	MEX	FRA	GBR	GER	HUN	BEL	ITA	POR	ESP	JPN	AUS	2*	9th
					David Brabham			DNQ	Ret	DNQ	Ret	15	DNQ	Ret	DNQ	Ret	DNQ	Ret	DNQ	Ret	Ret
					Stefano Modena			Ret	Ret	7	11	13	9	Ret	Ret	17	Ret	Ret	Ret	Ret	12
1991	Motor Racing Developments	BT59Y	Yamaha V12	P		USA	BRA	SMR	MON	CAN	MEX	FRA	GBR	GER	HUN	BEL	ITA	POR	ESP	JPN	AUS	3	9th
					Martin Brundle	11	12
					Mark Blundell	Ret	Ret