The Brabham BT45 was a

Formula One Formula One (F1) is the highest class of worldwide racing for open-wheel single-seater formula Auto racing, racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The FIA Formula One World Championship has been one ...

car designed by South African engineer

Gordon Murray Ian Gordon Murray (born 18 June 1946), is a successful and influential South African-British former (Formula One) race-car designer, renowned firstly as lead designer for both the Brabham and McLaren Formula 1 racing teams, during 196 ...

for the

1976 Events January * January 2 – The International Covenant on Economic, Social and Cultural Rights enters into force. * January 5 – The Pol Pot regime proclaims a new constitution for Democratic Kampuchea. * January 18 – Full diplomatic ...

, and

1978 Formula One The 1978 Formula One season was the 32nd season of FIA Formula One motor racing. It featured the 1978 World Championship of F1 Drivers and the International Cup for F1 Constructors,''World Championship of F1 Drivers 1978'' & ''International Cu ...

seasons.

Design

The car was the first Brabham to use

Alfa Romeo Alfa Romeo Automobiles S.p.A. () is an Italian carmaker known for its sports-oriented vehicles, strong auto racing heritage, and iconic design. Headquartered in Turin, Italy, it is a subsidiary of Stellantis Europe and one of 14 brands of mu ...

type 115-12 flat 12-cylinder engine with and of torque. It was equipped with a Hewland six-speed transmission. It used the front air intakes of the previous Brabham, but by regulation no longer has the air brooms behind the cockpit and has side panels with larger air intakes to feed the engine and more radiant surfaces. The frame was an aluminium monocoque, while the braking system was constituted by ventilated disc brakes produced by Girling. The front suspension consisted of double wishbones with pull-rods, coil springs and stabilizer bars, while the rear used coil springs and stabilizer bars. For the season, pending the development of BT46, a C version of the BT45 was created. This model was equipped with a revised radiator.

Race history

The BT45 had its first start at the

1976 Brazilian Grand Prix The 1976 Brazilian Grand Prix was a Formula One motor race held at Interlagos in São Paulo, Brazil on 25 January 1976. It was the opening round of the 1976 Formula One season. The race was the fifth Brazilian Grand Prix and the fourth to be held ...

in the hands of

Carlos Pace José Carlos Pace (; 6 October 1944 – 18 March 1977) was a Brazilian racing driver, who competed in Formula One from to . Pace won the 1975 Brazilian Grand Prix with Brabham. Born and raised in São Paulo, Pace competed in Formula One for ...

and

Carlos Reutemann Carlos Alberto "Lole" Reutemann (12 April 1942 – 7 July 2021) was an Argentine racing driver and politician, who competed in Formula One from to and served as the Governor of Santa Fe from 1999 to 2003. Reutemann was runner-up in the Form ...

. They suffered reliability problems, especially the engine. During the first season, the best results were three-fourth places. In Pace finished second in the first race and led for thirteen laps in

South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...

with the BT45B, and died a few days later in a plane crash. His teammate, John Watson, drove to the pole at the

Monaco Grand Prix The Monaco Grand Prix () is a Formula One motor racing event held annually on the Circuit de Monaco, in late May or early June. Run since 1929, it is widely considered to be one of the most important and prestigious automobile races in the wo ...

but was passed on the first lap by

Jody Scheckter Jody David Scheckter (; born 29 January 1950) is a South African former racing driver and businessman, who competed in Formula One from to . Scheckter won the Formula One World Drivers' Championship in with Ferrari, and remains the only Afric ...

Wolf The wolf (''Canis lupus''; : wolves), also known as the grey wolf or gray wolf, is a Canis, canine native to Eurasia and North America. More than thirty subspecies of Canis lupus, subspecies of ''Canis lupus'' have been recognized, includin ...

, after that he spent more than half of the race in second position, before retiring with gearbox problems. He then took second place in

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

, and Stuck gained two podiums, in

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

and

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

. Its results allowed the German to finish 11th overall in the Championship. The BT45C competed in two Grands Prix in , before the arrival of the BT46. With this latest release, Niki Lauda achieved two podiums.

Jackie Stewart Sir John Young "Jackie" Stewart (born 11 June 1939) is a British former racing driver, sports broadcasting, broadcaster and motorsport executive from Scotland, who competed in Formula One from to . Nicknamed "the Flying Scottish people, Scot" ...

tested an early BT45C (chassis number 8) in 1978 and returned an overall favourable impression of the car as well as the team, with the smooth, torquey Alfa Romeo flat-twelve and the Brabham gearbox coming in for particular praise. The chassis was not yet fully sorted and Stewart disliked the cable-operated clutch; but the Brabham was still the fastest car he ran in a series of tests at

Paul Ricard Paul Louis Marius Ricard (; July 9, 1909 – November 7, 1997) was a French industrialist and creator of an eponymous pastis brand which merged in 1975 with its competitor Pernod to create Pernod Ricard. Ricard was also an environmentalist and t ...

Complete Formula One World Championship results

( key) (results in bold indicate pole position, results in ''italics'' indicate fastest lap) This total includes points scored using the

Brabham BT46 The Brabham BT46 is a Formula One racing car designed by Gordon Murray for the Brabham team, owned by Bernie Ecclestone, for the 1978 Formula One season. The car featured several radical design elements, one of which was the use of flat panel ...

References

{{F1 cars 1978 Brabham Formula One cars 1976 Formula One season cars 1977 Formula One season cars 1978 Formula One season cars Cars powered by boxer engines