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Honda Performance preparing new LMP1 engine in 2014; bespoke energy recovery systems in 2015

Honda Performance Development (HPD), the racing arm of American Honda Motor Co., Inc., is introducing a new turbocharged V6 engine to LMP1 endurance sports-car racing in 2014, to be followed in 2015 by a range of bespoke energy recovery systems (ERS), for FIA World Endurance Championship competition.

HPD’s new HR22T turbocharged V6 engine is designed for LMP1 competition. Click to enlarge.

After several seasons supplying the normally aspirated Honda LM-V8 engine to private teams in both the WEC and American Le Mans Series, HPD engineers and designers decided to offer updated technology which the company believes will be necessary to successfully compete on the world stage, under the ACO’s (Automobile Club de l’Ouest) new LMP1 energy-based power train regulations.

The new engine, to be designated the Honda HR22T, is based on the same architecture used in the Indianapolis 500-winning, 2.2-liter direct injection turbocharged V6 engine used in IZOD IndyCar Series competition since 2012, designed to be coupled with a new energy recovery system developed in concert with HPD technical partner Magneti Marelli.

This is an exciting new program for HPD and our customer teams in the World Endurance Championship, as it brings manufacturer-level engine technology to privateer teams. A small-displacement, direct injection, turbocharged engine with a range of energy recovery options will provide private teams with the technical sophistication they need to compete under the challenging new LMP1 regulations.

—Steve Eriksen, HPD Vice President and COO

Starting in 2014, rather than any set engine displacement or air inlet restrictor limits, the technical regulations for the series will specify a maximum fuel-flow rate into the engine, with or without energy recovery systems.

The new rules say that if you are a private team, you can either run without energy recovery systems or choose to add the level of energy recovery that best suits your needs. This will allow our customers to choose the ERS solution that meets their needs—everything from no energy recovery up to the full eight Megajoule maximum. This new regulation direction that is more conscious of environmental technologies will encourage HPD to participate from the perspectives of both developing future technologies and nurturing engineers.

—Steve Eriksen

HPD’s successful LMP2 program—which has recorded multiple ALMS championships, won its class title in the inaugural 2012 WEC and has twice won at the 24 Hours of Le Mans—will likewise continue in 2013 with the cost-capped ARX-03b chassis and production-based Honda HR28TT twin-turbocharged direct injection V6 engine, the only engine in its class to feature such production-relevant technology. The engine/chassis package remains eligible to compete in both the WEC and the newly combined United Sports Car Racing series in North America.

The HPD ARX series has posted 58 victories and six endurance-racing championships since its introduction—and debut LMP2 victory—at the 12 Hours of Sebring in 2007. At the 2013 Strakka Racing took its HPD ARX-03c Honda to victory in the LMP1 Privateer category; and HPD-equipped teams have won the LMP2 class at Le Mans twice in the last four years (2010 and 2012).

In addition to the new engine and its energy recovery system, HPD and chassis technical partner Wirth Research are also developing a coupe version of the successful ARX chassis series that will provide a fully integrated solution for the new V6 Honda powerplant and ERS.


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