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Acura as we speak took the wraps off the ARX-06 LMDh endurance racecar. Set to make its debut on the Rolex 24 at Daytona in January, it encompasses a 2.4-liter V6, the smallest engine the automaker has ever put into endurance racing.
The racecar will use the AR24e energy unit, which was developed by Honda Efficiency Developed (HPD) and brings electrification to Acura’s racing program for the primary time. Based mostly round a 2.4-liter, twin-turbocharged, direct injection, 90-degree V6, it is going to be able to revving as much as 10,000 rpm.
“The brand new Acura ARX-06 has parts of our Indy-winning expertise, Honda Formula One technology and Rolex 24-winning expertise in it,” mentioned David Salters, president and technical director at HPD. “This was achieved utilizing HPD’s world-class simulation, design, improvement and manufacturing applied sciences that our personal engineers have developed, examined and validated.”
Learn Additionally: BMW’s M Division Details The Inner Workings Of Its Hybrid V8 Turbo Engine For LMDh Racing
Designed to run on low-carbon gasoline, Acura is aiming for the unit to succeed in the class-mandated most energy output of 500 kW (670 hp/680 PS), as measured on the rear axle. The hybrid system, in the meantime, can be made from off the shelf components. It’s going to use the IMSA-specified Bosch Motor Generator Unit and Williams Advanced Engineering battery packs.
Acura says it was essential that the undertaking include a “clear sheet” design method for the hybrid powertrain management system, brake-by-wire, and car dynamics management system. All have been, subsequently, written in-house at HPD and the management system structure was carried out on a Formula 1-spec ECU {hardware} platform.
For the chassis, in the meantime, Acura is continuous its partnership with ORECA, one of many producers accredited underneath LMDh guidelines. Acura labored with the provider, although, to construct the carbon fiber monocoque particularly for its energy unit wants, and it has been coded into the automaker’s driver-in-the-loop simulator to assist velocity the event of the automobile.
The physique was designed at the Acura Design Studio in Los Angeles, California, at the side of ORECA and HPD’s in-house CFD aero engineers. As ever, the remit was to design a physique that was visibly Acura, whereas making it as aerodynamic as attainable.
The group says that its drivers have been additionally concerned within the design course of. Actually, the rearview mirrors have been moved because of their enter. Acura was capable of place them for optimum aero effectivity whereas nonetheless being seen to the drivers because of its simulator and virtual reality headsets.
These drivers can be competing with the Wayne Taylor Racing and Meyer Shank Racing groups, which can marketing campaign the Acura ARX-06 within the 2023 IMSA WeatherTech SportsCar Championship GTP class.
“We’re wanting ahead to the problem of racing Porsche, BMW and GM in IMSA’s pinnacle GTP championship,” mentioned Salters. “We’re very cognizant it is a massive step for us. Now we have loads to study, however that’s the reason we race.”
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