 Complete the following phrase:  The combination of the Repco engine and the Brabham BT19 chassis designed by Tauranac worked. At the French Grand Prix at Reims-Gueux, Jack Brabham took his first Formula One world championship win since 1960 and became the first man to win such a race in a car of his own construction. Only his two former teammates, Bruce McLaren and Dan Gurney, have since matched this achievement. It was the first in a run of four straight wins for the Australian veteran. The 40-year-old Brabham was annoyed by press stories about his age and, in a highly uncharacteristic stunt, at the Dutch Grand Prix he hobbled to his car on the starting grid before the race wearing a long false beard and leaning on a cane before going on to win the race. Brabham confirmed his third championship at the 