Honda Performance Development ARX-04b LMP2 Coupe Unveiled

Honda Performance Development is reported to bring in the latest LMP2 closed-cockpit sports car technology next year, with due to it, revealed the HPD ARX-04b LMP2 Coupe now.

California-based HPD and England’s Wirth Research had jointly worked on this car, the pairing which had also driven success in earlier projects namely INDYCAR, the American Le Mans Series and the FIA World Endurance Championship, including LMP2 and LMP1 Privateer class victories at the 24 Hours of Le Mans.

The ARX-04b sports car completely complies with the new ACO LMP2 regulations, while the safety standards on the new enclosed-cockpit are also enhanced. The power to it is reported to come from a 2.8-liter twin-turbo, direct injection, production-based Honda HR28TT V6 powerplant, now includes a regulation compliant drive-by-wire throttle system and fresh air valve system, eliminating turbo lag and providing improved reliability and performance.

Honda Performance Development ARX-04b LMP2 Coupe Unveiled

“We are very excited for our new HPD ARX-04b LMP2 Coupe to see the light of day, combining all of our successes in international sportscar racing with the very latest regulations for closed-cockpit prototypes,” said Steve Eriksen, HPD vice president and COO. “Our production-based Honda HR28TT engine has powered all of our LMP2 sportscars since the ACO regulations set the new cost-capped direction in 2011, and since its introduction the 2.8-litre twin-turbo V6 powerplant has achieved some truly great successes around the world – including multiple engine manufacturer championships, victory at the Sebring 12 Hours and the 24 Hour of Le Mans, as well as powering the first LMP2 FIA World Endurance Champion. We are confident that our latest iteration of the HR28TT engine and its associated systems will satisfy even the most discriminating drivers and power the new HPD ARX-04b LMP2 Coupe to even greater successes around the world.”

Additional features of the ARX-04b LMP2 Coupe include:

  • Energy-efficient technology with low drag and high fuel efficiency.
  • A cost-capped chassis, fully compliant with ACO and IMSA regulations and designed to compete and win the toughest endurance races in the world.
  • “Quick Change” front and rear bodywork.
  • Innovative Honda refueling safety interlock system designed to reduce the potential for pit fires resulting from leaving the pit box with fuel hoses inserted (applied to all IndyCars since 2011)
  • Engine installation includes a proven turbo mounting system and top exit exhaust, meeting all ACO and IMSA noise regulations.
  • Gearbox changes which can be made to cover the complete range of circuits.
  • A 75-litre total capacity fuel cell, and lightweight, durable bodywork.

“Wirth Research is proud of its history of consistently creating championship-winning prototype sports cars with and on behalf of Honda Performance Development (HPD).  Using our pioneering CFD design techniques, we have created the all-new HPD ARX-04b LMP2 Coupe,” said Wirth Research President Nick Wirth. “Not only is it a stunning-looking race car, we are confident that our revolutionary all-digital design approach will ensure that HPD’s 2015 LMP2 Coupe customers will benefit from fielding the most aero-efficient, balanced and competitive LMP2 car on the 2015 grid.”

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