 Complete the following phrase:  Scarab made an ill-fated entry into Formula One during the 1960 season with front-engined cars which by then were nearly obsolete. The engines in these front-engined cars were 4-cylinder units similar in layout to the Offenhauser, but entirely of Scarabs own design penned by Leo Goossen of Offenhauser, and later Meyer-Drake fame. They featured desmodromic valve gear similar in design to that found on the Mercedes F1 engine of the 1950s and were built and maintained by Travers and Coon. The engines were the shortcoming of the team as the desmodromic gear could not cope with the large amount of movement in the engine block and would consistently pull the valves too far closed resulting in valve failure. Scarab participated in five Grands Prix, entering a total of nine cars. Reventlow and his chief mechanic Chuck Daigh drove the blue and white liveried cars. Both Scarabs were entered in the Grands Prix of Monaco where they suffered hydraulic brake fluid aeration problems and did not qualify for the race, Holland, 