2025 Chinese Grand Prix - P1 And Sprint Qualifying Scrutineering
2025 CHINESE GRAND PRIX
21 - 23 March 2025
Technical Delegate’s Report
Before the first free practice session:
The exhaust system components of all cars were checked against the declaration submitted by the
relevant team before the start of the Competition.
During the first free practice session:
The tyre starting pressures of all cars during P1 were checked.
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.
After the first free practice session:
Car number 01 was weighed.
The fuel pressure of all cars during the first free practice session was checked.
From The FIA Formula One Technical Delegate
To The StewardsDocument 29
Date 21 March 2025
Time 18:51
The logged pressure within the engine cooling system during the first free practice session was
checked on all cars.
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.
The custom software versions were checked on all cars.
During the Sprint Qualifying session:
Car numbers 81, 44, 01, 30, 14, 31, 06 and 22 were weighed.
The weight distribution was checked on car numbers 81, 44, 01, 30, 14, 31, 06 and 22.
The uppermost rear wing element adjustable positions were checked on car numbers 30, 14, 10, 31,
06, 55 and 27.
The minimum distance between the adjacent rear wing sections at any longitudinal vertical plane was
checked on car numbers 30, 14, 10, 31, 06, 55 and 27.
The tyre starting pressures of all cars during the qualifying sessions were checked.
After the Sprint Qualifying session:
Car numbers 81, 04, 16, 44, 01, 63, 12, 18, 22 and 23 were weighed.
The following aerodynamic component or bodywork areas were checked on car numbers 81, 18 and
22:
- 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 04, 44 and 63.
The minimum distance between the adjacent rear wing sections at any longitudinal vertical plane was
checked on car numbers 04, 44 and 63.
The height of the front wing gurneys were checked on car numbers 04, 81, 16, 44, 31 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 44 and 12.
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
TeamSR1704
Aston Martin Aramco Formula One Team SR1704
BWT Alpine Formula One Team SR1704
MoneyGram Haas F1 Team SR1704
VISA Cash App Racing Bulls Formula One Team SR1704
Atlassian Williams Racing SR1704
Stake F1 Team Kick Sauber SR1704
All the above items were found to be in conformity with the 2025 FIA Formula One Technical
Regulations.
The FIA Formula One Technical DelegateJo Bauer
Original PDF Document