Brabham BT19
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| Category | Formula One / Tasman Series | ||||||||
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| Constructor | Motor Racing Developments | ||||||||
| Designer(s) | Ron Tauranac | ||||||||
| Predecessor | BT11 | ||||||||
| Successor | BT20/BT24 | ||||||||
| Technical specifications | |||||||||
| Chassis | steel spaceframe | ||||||||
| Suspension (front) | Double wishbone, coil springs / dampers | ||||||||
| Suspension (rear) | Single top-link, reverse lower wishbone, twin radius arms, coil spring / damper | ||||||||
| Axle track | Front: 1,359 mm (53.5 in) Rear: 1,371 mm (54.0 in) |
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| Wheelbase | 2,337 mm (92.0 in) | ||||||||
| Engine | Repco 620, 2,995 cc (182.8 cu in), 90° V8, NA, mid-engine, longitudinally mounted | ||||||||
| Transmission | Hewland HD / DG, 5-speed manual, ZF differential | ||||||||
| Weight | 518 kg (1,142 lb) | ||||||||
| Fuel | Esso | ||||||||
| Tyres | Goodyear | ||||||||
| Competition history | |||||||||
| Notable entrants | Brabham Racing Organisation | ||||||||
| Notable drivers |
 Jack Brabham Denny Hulme
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| Debut |
1966 South African Grand Prix (non-championship) 1966 Monaco Grand Prix (World Drivers' Championship) |
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| Constructors' Championships | 2 (1966, 1967) | ||||||||
| Drivers' Championships | 1 (1966) | ||||||||
The Brabham BT19 /ˈbræbəm/ is a Formula One racing car designed by Ron Tauranac for the British Brabham team. The BT19 competed in the 1966 and 1967 Formula One World Championships and was used by Australian driver Jack Brabham to win his third World Championship in 1966. The BT19, which Brabham referred to as his "Old Nail", was the first car bearing its driver's name to win a World Championship race.
The car was initially conceived in 1965 for a 1.5-litre (92-cubic inch) Coventry Climax engine, but never raced in this form. For the 1966 Formula One season the Fédération Internationale de l'Automobile (FIA) doubled the limit on engine capacity to 3 litres (183 cu in). Australian company Repco developed a new V8 engine for Brabham's use in 1966, but a disagreement between Brabham and Tauranac over the latter's role in the racing team left no time to develop a new car to handle it. Instead, the existing BT19 chassis was modified for the job.
Only one BT19 was built. It was bought by Repco in 2004 and put on display in the National Sports Museum in Melbourne, Australia, in 2008. It is often demonstrated at motorsport events.
The BT19 was created by Australian designer Ron Tauranac for the Brabham Racing Organisation (BRO) to use in the 1965 season of the Formula One motor racing World Championship. The BT19, and its contemporary the Lotus 39, were built to use the new FWMW flat-16 engine from Coventry Climax. Only one example of the BT19 design was built, and it never raced in its original form. Climax abandoned the FWMW's development before the end of 1965, their existing FWMV V8 engines proving powerful enough to propel Jim Clark's Lotus 33 to seven wins and the drivers' championship.
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