Understanding ADUO's Purpose
Formula 1's Additional Design and Upgrade Opportunities (ADUO) system has been a focal point of discussion, particularly with its introduction coinciding
with the sport's arrival in Miami. Nikolas Tombazis, a key figure at the FIA, has stepped in to explain the mechanism, emphasizing that its core intent is not to act as a direct 'balance of performance' tool that would artificially equalize competitors. Instead, the ADUO is designed to offer a more structured avenue for manufacturers that are finding themselves further down the order in terms of engine performance to gain additional development freedom. The goal is to provide a slightly more equitable playing field for development, not to dictate outcomes on track through immediate performance adjustments. Tombazis stressed that while opportunities will be presented, the fundamental principle remains that building the most potent engine is still the ultimate determinant of success. The system is intended to create more pathways for improvement, rather than simply handing points or advantages to those lagging behind.
Measuring Engine Power
The FIA's approach to ranking engine manufacturers for the purpose of the ADUO system will primarily hinge on power output, but with a nuanced methodology. Rather than relying solely on peak power figures, the FIA will employ a lap-weighted model. This means that the relevance of power delivery throughout an entire lap will be considered. Specifically, areas on the track where engine power plays a more critical role, such as the initial acceleration phase at the start of a straight, will be given greater statistical weight in the calculation. Conversely, sections of the lap where engine power is less impactful, like tight corners or braking zones, will have a reduced influence. This performance index aims to reflect a more holistic understanding of how an engine contributes to overall lap time, considering factors like traction and acceleration out of corners, moving beyond simple maximum horsepower numbers. This data collection will be conducted using sensors introduced this season, ensuring improved accuracy in measurements.
Data Collection and Timing
To accurately gauge engine performance for the ADUO system, the FIA will implement a data-driven strategy involving the collection of extensive information from race weekends. For each engine manufacturer, the data will be gathered from the best-performing car associated with that supplier across numerous laps during a race event. This averaged data will then be used to establish performance indices that reflect how power is utilized throughout a lap. Tombazis confirmed that this statistical approach has been discussed and shared with the teams, fostering transparency. He also indicated that the first set of ADUO rankings will not be made public immediately. There will be a preliminary period, encompassing at least a month of racing, including events like Miami and Canada, before the initial ADUO results are finalized and distributed. This timeframe allows for a robust data collection process and thorough analysis.
Realistic Expectations for Change
In light of recent rule adjustments and the introduction of the ADUO system, Nikolas Tombazis has cautioned against anticipating any radical, revolutionary shifts in Formula 1. While acknowledging that there have been rule tweaks, particularly in response to widespread criticism of the 2026 regulations concerning energy management and inconsistent performance, he emphasized that dramatic changes should not be expected. Similarly, the ADUO system is not designed to bring about overnight transformations. Tombazis suggested that the qualifying sessions might become more 'flat out' due to these adjustments, a change that drivers have actively pushed for, alongside addressing safety concerns. However, the overarching message is one of gradual evolution rather than immediate upheaval, aiming for continuous improvement rather than a complete overhaul of the sport's competitive dynamics.
Maintaining FIA Control
A significant concern highlighted by Tombazis is the imperative for Formula 1 to retain control over its developmental trajectory, rather than being dictated by the automotive manufacturers. He stressed that the sport cannot afford to be held 'hostage' by these companies, whose decisions on whether to participate can drastically influence the landscape. While the FIA is open to considering various engine philosophies, even the simplest designs, the ultimate authority must remain with the governing body. This principle is crucial for long-term strategic planning and ensuring the sport's stability. Tombazis also alluded to the possibility of reconsidering the broader engine philosophy in the future, suggesting that the emphasis on electric components might have been overestimated and that 'everything is on the table' for future discussions, including simpler engine concepts.












