Development of INDYCAR Hybrid Unit Sees Significant Steps in Preparation for 2024

Collaboration To Take Most Competitive Racing in World to New Heights

INDIANAPOLIS (Thursday, Dec. 7, 2023) – Since the initial on-track testing of hybrid components over a year ago, development of the new NTT INDYCAR SERIES 2.2-liter twin-turbocharged V-6 engine with hybrid technology has passed many significant milestones.

The INDYCAR SERIES 2.2-liter twin-turbocharged V-6 engine was initially paired and tested with the hybrid unit Aug. 16, 2023, at Sebring International Raceway. In just three months, a total of 15,256 miles of testing have been successfully completed with the new power unit among 13 NTT INDYCAR SERIES drivers. The much-anticipated debut of the new power unit is expected to launch after the 108th Indianapolis 500 presented by Gainbridge, during the second half of the 2024 INDYCAR SERIES season.

“The partnership between Chevrolet and Honda has been phenomenal,” INDYCAR President Jay Frye said. “The INDYCAR-specific hybrid power unit is dynamic and an engineering marvel, and we’re completely committed to its successful introduction next season.”

The INDYCAR SERIES, Chevrolet and Honda are working in collaboration on the development of the first-of-its-kind hybrid unit with testing on tracks that mirror the disciplines of the NTT INDYCAR SERIES. Sessions have included ovals at Indianapolis Motor Speedway, Milwaukee Mile and World Wide Technology Raceway, road courses at IMS, Road America and Barber Motorsports Park and the street circuit-like surface at Sebring.

INDYCAR’s hybrid power unit will enhance the racing action with additional horsepower and further the series’ efforts to deliver the most competitive motorsport on the planet. The new powerplant unit will feature additional overtake (“push-to-pass”) options, ultimately giving INDYCAR SERIES drivers more choices and control – enhancing the on-track competition and excitement.

The start of the 2024 NTT INDYCAR SERIES season is expected to feature enhanced possibilities of track records with lighter chassis components (aeroscreen, bellhousing and gearbox) prepared for the hybrid addition. Once the hybrid unit is integrated, the remaining 2024 races will feature the intensified engineering and wheel-to-wheel precision of the hybrid power era.

The hybrid system is made up of the Motor Generator Unit (MGU) and Energy Storage System (ESS), which both fit inside the bellhousing, located between the INDYCAR SERIES combustion engine and the gearbox. Multiple strategies for regeneration and deployment have been tested as the power unit builds and transmits energy through the MGU before being saved in the ultracapacitor ESS. The additional horsepower is deployed through the same motor generator. Unlike the traditional INDYCAR “push-to-pass” system, the hybrid power unit will not have a restriction on total time used over the course of a race.

Additional testing and continued development of the hybrid package will continue throughout the winter and spring months ahead of the first race in 2024. More information on the competitive launch of the hybrid unit will be announced at a later date.

The 2024 NTT INDYCAR SERIES season begins Sunday, March 10 at the Firestone Grand Prix of St. Petersburg presented by RP Funding. Coverage will be available via NBC and Peacock with audio coverage provided by the INDYCAR Radio Network, SiriusXM channel 218 and the INDYCAR App powered by NTT DATA.

The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of SpeedwayMedia.com

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