Brabham BT24, the car that crowns World Champion...Denny Hulme

Designed by Ron Tauranac, the BT24 bases its design on the Formula 2 cars called BT23, resulting in a car with a remarkably light and compact chassis.

Tauranac continues to produce chassis with spatial knowledge, remaining by now the only Formula 1 designers to adopt this constructive philosophy: this is specially designed to host the latest evolution of the new Repco engine, called 740 V-8, characterized by a completely renewed and entirely built by Repco, unlike the 620 series engines based on the Oldsmobile of previous years.

Tauranac, in fact, asks Repco to build the engine with V-shaped exhausts to reduce the frontal area and alleviate the problem of inserting the exhaust pipes through the rear suspension connections.

Like the Lotus 49, the BT24 makes its first appearance during practice for the Dutch Grand Prix, and, in comparison, the Brabham looks almost obsolete compared to the English team's car, but as the season progresses its improved reliability makes it a winner.

Surprisingly, Hulme wins

With Jack Brabham and Denny Hulme at the wheel, the BT24 achieved a victory in Germany thanks to the New Zealand driver, and two victories in France and Canada with the Australian driver.

Over the course of the season, Hulme collected another five podiums, including three second places in France, Great Britain and Canada, and two third places in the United States and Mexico, winning a total of 51 world championship points, which allowed him to win the world title by detaching his team-mate is only five points away, winning three second places in Germany, Italy and Mexico, finishing with a total of 46 championship points.

In total, the Brabham won 97 points, winning the constructors' world championship for the second year in a row. To the three championship victories, the BT24 also adds the victory of the prestigious 1967 International Gold Cup at Oulton Park, with Jack Brabham at the wheel.

The two original chassis are also driven by Brabham and Rindt in the 1968 South African Grand Prix, but with the BT26 ready in time for the next race, the two BT24 models will be sold to local teams and left in South Africa, with Sam Tingle and Basil van Rooyen who will finish third and fourth in the 1968 South African Formula Championship.

Sam Tingle will later take part in the 1969 South African Grand Prix, the last event of the Formula 1 World Championship for a standard BT24 chassis, and will continue racing with the latter achieving several successes in local events until January 1970. A third BT24 chassis will be built in late 1967 and used in only three races by the Brabham team, twice with Rindt and once with Dan Gurney.

Kurt Ahrens Jr. will rent the car from Brabham and participate in the 1968 German Grand Prix, before it can be acquired by Frank Williams and modified to participate in the 1969 Tasman series; Piers Courage will drive in all seven races, winning at Teretonga Park in New Zealand, while Silvio Moser, after arranging for Williams to change the engine to a 1968 spec 3.0-liter DFV, as well as adding extra fuel tanks, will race with this car in seven of the eleven Grands Prix of the 1969 Formula 1 season, obtaining as best result a sixth place at Watkins Glen.

Andrea Rasponi

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