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Honda Teams Up With INDYCAR For Hybrid Tech Debut At Honda Indy 200
The NTT INDYCAR SERIES is set to introduce a hybrid system, known as the Energy Recovery System (ERS), in collaboration with Honda Racing Corporation USA. This new technology will debut at the Honda Indy 200 at Mid-Ohio on July 7th, 2025.
The ERS will be integrated with the existing 2.2-litre, twin-turbocharged V-6 engine, adding up to 60 horsepower. Positioned between the engine and transmission, it fits within the current chassis and engine design.
The ERS comprises four main parts: the Energy Storage System (ESS), Motor Generator Unit (MGU), DC/DC converter, and Voltage Control Device. The ESS, made by Honda Racing Corporation USA, uses supercapacitors from Skeleton to store energy quickly.
The MGU, developed by EMPEL with Ilmor, captures energy during braking and converts it into electricity for storage in the ESS. BrightLoop Converters produce the DC/DC converter to ensure correct voltage output for the powertrain.
The ERS captures energy generated under braking and stores it in supercapacitors. Drivers can manually control this process or let software manage it automatically. Energy deployment is activated via a button on the steering wheel.
In oval racing scenarios, drivers often lift or brake when drafting or preparing to pass. This allows for frequent energy regeneration during races. The stored energy can then be used to boost performance when overtaking.
Additional Benefits of Hybrid Technology
A significant advantage of the ERS is its ability to start or restart cars without external assistance. This feature reduces full-course cautions caused by stalling and enhances safety by minimising risks for track workers.
The system ensures some energy is always reserved for multiple restarts if needed. This capability helps maintain race flow and safety standards.
Technical Specifications
The ERS adds 42.5 kilograms to the car's weight but can be charged from a 12-volt source either in the shop or on pit lane. It generates approximately 60 additional horsepower and operates at a maximum of 12,000 RPM.
The ESS has a maximum operating voltage of 60 volts and can fully charge or discharge in about 4.5 seconds. Drivers control the 'State of Charge' between 60 volts and 30 volts, ensuring enough power remains for restarts.
Honda Racing Corporation USA's Role
Honda Racing Corporation USA (HRC US) has been pivotal in developing this technology. Established in 1993 as Honda Performance Development, HRC US supports both professional and amateur racers across various motorsports disciplines.
HRC US specialises in designing powertrains, chassis, electronics, and performance parts while offering technical support to racers. The company rebranded from Honda Performance Development on January 1st, 2024, reflecting its expanded role in global racing efforts.
The first race featuring this new hybrid technology will take place at the Honda Indy 200 at Mid-Ohio on July 7th at 1:30 PM ET on NBC.
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