Brabham BT34

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Brabham BT34
1971 Race of Champions G Hill Brabham BT34.jpg
Graham Hill in the BT34, 1971 Race of Champions at Brands Hatch
Category Formula One
Constructor Brabham
Designer(s) Ron Tauranac
Predecessor BT33
Successor BT37
Technical specifications [1]
Chassis Aluminium monocoque.
Axle track Front: 1,600 mm (63 in)
Rear: 1,626 mm (64.0 in)
Wheelbase 2,413 mm (95.0 in)
Engine Ford-Cosworth DFV 2,993 cc (182.6 cu in) 90° V8, naturally aspirated, mid-mounted.
Transmission Hewland 5-speed manual gearbox.
Weight550 kg (1,213 lb)
Fuel Esso
Tyres Goodyear
Competition history
Notable entrants Motor Racing Developments
Notable drivers Flag of the United Kingdom.svg Graham Hill
Flag of Argentina.svg Carlos Reutemann
Flag of Brazil.svg Wilson Fittipaldi
Debut 1971 South African Grand Prix
RacesWins Podiums Poles F/Laps
200010
Constructors' Championships0
Drivers' Championships0

The Brabham BT34 was a Formula One racing car designed by Ron Tauranac, and used by Brabham during part of the 1971 and 1972 Formula One seasons.

Contents

Development

In 1971, Jack Brabham sold his share of the team to co-owner and designer Ron Tauranac. Englishman Graham Hill was signed to drive the BT34 and Tauranac also signed Australian Tim Schenken to drive the older Brabham BT33. Tauranac designed the BT34, which was nicknamed the 'lobster claw', as derived from its twin radiators (claw) mounted ahead of the front wheels. Only one BT34 was built for Hill.

Racing history

1971

Graham Hill driving the Brabham BT34 at the Nurburgring in 1971 1971 Graham Hill, Brabham-Ford, Fuchsrohre.jpg
Graham Hill driving the Brabham BT34 at the Nürburgring in 1971

Brabham used the BT33 in the 1971 South African Grand Prix. The BT34 made its debut at Spain, and Hill retired with steering issues. [2] The Englishman crashed at the Monaco Grand Prix. [3] Hill finished tenth at Holland [4] and retired at the French Grand Prix with a broken oil pipe. [5] The start of Britain was a shambles, with a bungled flag drop causing a crash between Hill and Jackie Oliver (McLaren), for which Oliver was fined £50. [6] Hill finished ninth at the German Grand Prix. [7] Hill finished fifth at Austria [8] and retired at the Italian Grand Prix with a broken gearbox. [9] Hill crashed at a wet race in Canada. [10] The Englishman finished seventh at the United States Grand Prix. [11]

Brabham finished the season in ninth place in the Constructors' Championship, with five points, scored by Schenken in the Brabham BT33. Only a team's best place finish in any one race counted towards the constructors' championship. Hill's fifth place at the Austrian Grand Prix did not count towards the final points total as Schenken finished third.

At the end of the year, Tauranac, an engineer by choice, started to feel his Formula One budget of £100,000 was a risk he could not afford to take on his own and searched around for an experienced business partner. [12] He sold Brabham for £100,000 at the end of the year to Bernie Ecclestone, former manager of Jochen Rindt and former owner of Connaught Engineering. Tauranac stayed on to design the cars and run the factory. [13]

1972

Tauranac left the Brabham team in early 1972 after Ecclestone changed the way Brabham was organised without letting him know. Ecclestone said, "In retrospect, the relationship was never going to work", noting that "[Ron Tauranac and I] both took the view: 'Please be reasonable, do this my way'". [14] The 1972 season was disappointing, despite the team running three different cars, the BT33, BT34 and BT37.

Brabham replaced Schenken with Argentinian Carlos Reutemann for 1972. Hill remained with the team, but Brabham put the Argentinian in the BT34. The 1972 Argentine Grand Prix saw Reutemann take pole in his first grand prix but finish seventh. [15] The Argentinian retired from South Africa with fuel system failure. [16] Reutemann broke his ankle after a mechanical failure on his Rondel Racing entered Brabham at Thruxton during a Formula Two race. The BT34 was not used at the Spanish and Monaco Grands Prix. For Belgium, Brabham entered a third car for Brazilian Wilson Fittipaldi, but he retired with a broken gearbox. [17] The Brazilian finished eighth at the French Grand Prix. [18] Fittipaldi finished 12th at Britain despite having stopped the car on lap 69 with broken suspension. [19] The Brazilian finished seventh at the German Grand Prix. [20] Fittipaldi retired from the final four races of the year, brake failure at Austria, [21] broken suspension in Italy, [22] broken gearbox at Canada [23] and engine failure at the United States. [24]

The Brabham team had scored seven World Championship points, four by Hill and three by Reutemann, earning them ninth place in the Constructors' Championship for the second season running.

The BT34 was replaced by the Brabham BT37 for the 1973 season.

Complete Formula One World Championship results

Points for the 1971 and 1972 International Cup for F1 Manufacturers were awarded on a 9–6–4–3–2–1 basis to the top six finishers in each race. Only the best placed car from each manufacturer was eligible to score points. For classification, only the best five results from the first half of the season and the best five results from the second half of the season could be retained.

(key)(results in bold indicate pole position)

YearEntrantEngineTyresDrivers123456789101112PointsWCC
1971 Motor Racing Developments Ford Cosworth DFV 3.0 V8 G RSA ESP MON NED FRA GBR GER AUT ITA CAN USA 5 1 9th 1
Graham Hill RetRet10RetRet95RetRet7
1972 Motor Racing Developments Ford Cosworth DFV 3.0 V8 G ARG RSA ESP MON BEL FRA GBR GER AUT ITA CAN USA 7 2 9th 2
Carlos Reutemann 7Ret
Wilson Fittipaldi Ret8127RetRetRetRet

^1 This total includes points scored by the Brabham BT33.
^2 All points scored by the Brabham BT33 and Brabham BT37.

Non-Championship Formula One results

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

YearEntrantEnginesTyresDrivers12345678
1971 Motor Racing Developments Ford Cosworth DFV 3.0 V8 G ARG ROC QUE SPR INT RIN OUL VIC
Graham Hill Ret2618
1972 Motor Racing Developments Ford Cosworth DFV 3.0 V8 G ROC BRA INT OUL REP VIC
Carlos Reutemann 1

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References

Footnotes
  1. ↑ "Brabham BT34". Statsf1.com. Retrieved 27 January 2015.
  2. ↑ "Grand Prix results, Spanish GP 1971". grandprix.com. Retrieved 4 June 2016.
  3. ↑ "Grand Prix results, Monaco GP 1971". grandprix.com. Retrieved 4 June 2016.
  4. ↑ "Grand Prix results, Dutch GP 1971". grandprix.com. Retrieved 4 June 2016.
  5. ↑ "Grand Prix results, French GP 1971". grandprix.com. Retrieved 4 June 2016.
  6. ↑ "Grand Prix results, British GP 1971". grandprix.com. Retrieved 4 June 2016.
  7. ↑ "Grand Prix results, German GP 1971". grandprix.com. Retrieved 4 June 2016.
  8. ↑ "Grand Prix results, Austrian GP 1971". grandprix.com. Retrieved 4 June 2016.
  9. ↑ "Grand Prix results, Italian GP 1971". grandprix.com. Retrieved 4 June 2016.
  10. ↑ "Grand Prix results, Canadian GP 1971". grandprix.com. Retrieved 4 June 2016.
  11. ↑ "Grand Prix results, United States GP 1971". grandprix.com. Retrieved 4 June 2016.
  12. ↑ Lawrence (1999) p. 113
  13. ↑ Lawrence (1999) p. 116
  14. ↑ Lawrence. pp. 116–118
  15. ↑ "Grand Prix results, Argentine GP 1972". grandprix.com. Retrieved 4 June 2016.
  16. ↑ "Grand Prix results, South African GP 1972". grandprix.com. Retrieved 4 June 2016.
  17. ↑ "Grand Prix results, Belgian GP 1972". grandprix.com. Retrieved 4 June 2016.
  18. ↑ "Grand Prix results, French GP 1972". grandprix.com. Retrieved 4 June 2016.
  19. ↑ "Grand Prix results, British GP 1972". grandprix.com. Retrieved 4 June 2016.
  20. ↑ "Grand Prix results, German GP 1972". grandprix.com. Retrieved 4 June 2016.
  21. ↑ "Grand Prix results, Austrian GP 1972". grandprix.com. Retrieved 4 June 2016.
  22. ↑ "Grand Prix results, Italian GP 1972". grandprix.com. Retrieved 4 June 2016.
  23. ↑ "Grand Prix results, Canadian GP 1972". grandprix.com. Retrieved 4 June 2016.
  24. ↑ "Grand Prix results, United States GP 1972". grandprix.com. Retrieved 4 June 2016.
Sources
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