Lawson summoned over alleged MGU-K infringement

Doc 55 - Summons - Car 30 - Alleged MGU-K infringement

2026 Mexico City Grand Prix

Published

Summary

Liam Lawson and a team representative are summoned to the stewards at 17:30 to address an alleged breach of technical regulations related to the MGU-K.

Explanation

This is a summons document issued by the stewards for the Mexico City Grand Prix. It requires Liam Lawson (Car 30) and a representative from Visa Cash App Racing Bulls F1 Team to report to the stewards at 17:30. The reason is an alleged breach of Articles C5.12.6 and C5.12.7 of the FIA F1 Regulations, specifically related to an MGU-K infringement.

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FIA F1 Regulations - Article C5.12.6
C5.12.6 Unless the electrical DC power of the ERS-K is negative, and subject to Article B7.2.1, the driver maximum power demand must not be reduced at any greater than the rates defined below: 2026 Formula 1: Technical Regulations 27 February 2026 C7 4 C 0 SECTION C: TECHNICAL REGULATIONS a. 50kW in any 1s period at Competitions where the FIA determines that the power limited distance exceeds 3500m. The vehicle fundamentals used for the calculation of the power limited distance may be found in the document FIA-F1-DOC-034. b. 100kW in any 1s period at all other Competitions. Furthermore, the total power reduction is limited to a maximum of 600kW and the resulting electrical DC power of the ERS-K must remain above −250kW. C5.12.7 The electrical DC power of the ERS-K may not be reduced at rates greater than those specified in
Open regulation PDF Pages 74–75 highlighted
FIA F1 Regulations - Article C5.12.7
C5.12.7 The electrical DC power of the ERS-K may not be reduced at rates greater than those specified in Article C5.12.6, unless: • the theoretical MGU-K power resulting from reduction at rates equal to those specified in Article C5.12.6 is negative; • the ICE power is negative and the ERS-K power needs to be reduced further to achieve the driver demand; • the ERS-K power needs to be reduced further to achieve the maximum power permitted by Article C5. 2.8; • the driver power demand is negative; • a gearshift is in progress. • car speed is below 210kph. C5.12.8 Specification of power limited pending, power limited, overtake mode Boost mode and details of
Open regulation PDF Pages 75 highlighted
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