P3 And Qualifying Scrutineering
British Grand Prix · 2025 · 5 July 2025 · Doc 28
2025 BRITISH GRAND PRIX
04 - 06 July 2025
Technical Delegate's Report Before the third free practice session:
A spare RHS front corner of car numbers 16 and 44 was digitally scanned and the scanned data
were compared with the team declared CAD drawings. Further the team declared CAD drawings
were also compared with previously submitted versions and checked for conformance with the 2025 Formula One Technical Regulations. During the third free practice session: The tyre starting pressures of all cars during P3 were checked.
The fuel pressure of all cars during the third free practice session was checked.
The logged pressure within the engine cooling system during the third free practice session was
checked on all cars.
The engine high rev limit bands were checked on all cars. The fuel flow meter calibration checksum was checked on all cars.
The instantaneous fuel mass flow of all cars was checked.
The partial load fuel mass flow of all cars was checked.
The fuel temperature of all cars was checked.
The plenum temperature of all cars was checked. The exhaust fluid mass flow of all cars was checked.
From The FIA Formula One Technical Delegate To The Stewards
Document 28 Date 05 July 2025 Time 18:15
The IVT temperatures were checked on all cars.
The ES state of charge on-track limits were checked on all cars.
The lap energy release and recovery limits were checked on all cars.
The MGU-K power limits were checked on all cars.
The maximum MGU-K speed was checked on all cars.
The maximum MGU-K torque was checked on all cars.
The maximum MGU-H speed was checked on all cars.
The torque coordinator demands were checked on all cars.
The torque control was checked on all cars.
Torque sensor software version checks have been carried out on all cars.
Torque sensor calibration checks have been carried out on all cars.
The SECU custom software versions were checked on all cars.
Before the Qualifying practice session:
It was confirmed for all cars that the gear ratios used during the remainder of this Competition belong to the gear ratios declared to the FIA technical delegate at or before the first Competition of the 2025 Championship.
The thickness of the new skids of car numbers 16, 01 and 63 was checked and these skids were marked for later identification.
During the Qualifying practice session:
Car numbers 04, 16, 01, 22, 63, 18, 14, 31, 87, 06, 30 and 27 were weighed.
The weight distribution was checked on car numbers 04, 16, 01, 22, 63, 18, 14, 31, 87, 06, 30 and 27.
The uppermost rear wing element adjustable positions were checked on car numbers 22, 18, 30 and 55.
The minimum distance between the adjacent rear wing sections at any longitudinal vertical plane was checked on car numbers 22, 18, 30 and 55.
The tyre starting pressures of all cars during the qualifying sessions were checked.
After the Qualifying practice session:
Car numbers 81, 04, 16, 44, 01, 63, 12, 14, 10 and 87 were weighed.
The following aerodynamic component or bodywork areas were checked on car numbers 44, 01 and 14:
- Floor Body - TR Article 3.5.1 - Floor Fences - TR Article 3.5.2 - Floor Edge Wing - TR Article 3.5.3 - Nose - TR Article 3.6.1 - Forward Chassis - TR Article 3.6.2 - Mid Chassis - TR Article 3.6.3 - Mirror Housing - TR Article 3.6.4 - Sidepod - TR Article 3.7.1 - Coke Panel - TR Article 3.7.2 - Engine Cover - TR Article 3.7.3 - Tail - TR Article 3.8.1 - Front Wing Profiles - TR Article 3.9.1 - Front Wing Endplate body - TR Article 3.9.2 - Front Wing Tip - TR Article 3.9.3 - Front Wing Diveplane - TR Article 3.9.4 - Front Wing Endplate - TR Article 3.9.5 - Rear Wing Profiles - TR Article 3.10.1 - Pylons - TR Article 3.10.2 - Rear Wing Beam - TR Article 3.10.3 - Rear Wing Endplate Body - TR Article 3.10.4 - Rear Wing Tip - TR Article 3.10.5 - Rear Wing Endplate - TR Article 3.10.7
The uppermost rear wing element adjustable positions were checked on car numbers 81, 04, 16, 44, 01, 63, 12, 14 and 87.
The minimum distance between the adjacent rear wing sections at any longitudinal vertical plane was checked on car numbers 81, 04, 16, 44, 01, 63, 12, 14 and 87.
The fuel pressure of all cars during the qualifying session was checked.
The logged pressure within the engine cooling system during the qualifying session was checked on all cars.
The engine high rev limit bands were checked on all cars.
Fuel flow meter calibration checksums were checked on all cars.
The instantaneous fuel mass flow of all cars was checked.
The partial load fuel mass flow of all cars was checked.
The fuel temperature of all cars was checked.
The plenum temperature was checked on all cars.
The exhaust fluid mass flow of all cars was checked.
The IVT temperatures were checked on all cars.
The ES state of charge on-track limits were checked on all cars.
The lap energy release and recovery limits were checked on all cars.
The MGU-K power limits were checked on all cars.
The maximum MGU-K speed was checked on all cars.
The maximum MGU-K torque was checked on all cars.
The maximum MGU-H speed was checked on all cars.
It was checked on all cars that the ES was not charged while the car was stationary in the pits.
The torque coordinator demands were checked on all cars.
The torque control was checked on all cars.
The session type has been confirmed for all cars.
Chassis FIA checksum was checked on all cars taking part in the qualifying sessions.
Torque sensor software version checks have been carried out on all cars.
Torque sensor calibration checks have been carried out on all cars.
The rear brakes pressure control was checked on all cars.
The steering wheel of all cars has been checked.
It was verified on all cars that the PCU dash board display configuration was not changed.
Custom software version checks have been carried out on all cars.
SECU software version checks have been carried out on all cars.
The tyres used by all drivers during the sessions today have been checked.
The tyres cold pressure was checked on car numbers 14 and 87.
The following SECU software versions have been used by the teams during the qualifying sessions:
Team FIA Standard ECU system version
McLaren Formula 1 Team SR1704 Scuderia Ferrari HP SR1704 Oracle Red Bull Racing SR1704 Mercedes-AMG PETRONAS Formula One Team SR1705
Aston Martin Aramco Formula One Team SR1705 BWT Alpine Formula One Team SR1705 MoneyGram Haas F1 Team SR1704 VISA Cash App Racing Bulls Formula One Team SR1704 Atlassian Williams Racing SR1705 Stake F1 Team Kick Sauber SR1704