Sprint Scrutineering
Chinese Grand Prix · 2025 · 22 March 2025 · Doc 47
2025 CHINESE GRAND PRIX
21 - 23 March 2025
Technical Delegate's Report Before the Sprint:
A vertical and angled rear wing main plane deflection test was carried out on car number 63.
A rear wing main plane tip deflection test was carried out on car number 63.
A rear beam wing deflection test was carried out on car number 63.
A central floor deflection test was carried out on car number 44.
The uppermost rear wing element adjustable positions were checked on car numbers 81, 04 and 44.
On the grid it was checked that all cars had fitted their tyres and the tyre heating blankets were
disconnected, when the "5-Minutes" signal was given.
On the grid the temperature of the LHS and RHS front and rear tyre was checked on car numbers 81, 16, 44, 14, 22 and 55.
On the grid the minimum tyre starting pressure of the LHS and RHS front and rear tyre was checked on all cars.
After the Sprint: The following cars were weighed: Number Car Driver 81 McLaren Mercedes Oscar Piastri
04 McLaren Mercedes Lando Norris
16 Ferrari Charles Leclerc
From The FIA Formula One Technical Delegate
To The Stewards Document 47 Date 22 March 2025 Time 13:00
44 Ferrari Lewis Hamilton 01 Red Bull Racing Honda RBPT Max Verstappen
30 Red Bull Racing Honda RBPT Liam Lawson
63 Mercedes George Russell 12 Mercedes Kimi Antonelli 18 Aston Martin Aramco Mercedes Lance Stroll
14 Aston Martin Aramco Mercedes Fernando Alonso
10 Alpine Renault Pierre Gasly 07 Alpine Renault Jack Doohan 31 Haas Ferrari Esteban Ocon 87 Haas Ferrari Oliver Bearman 06 Racing Bulls Honda RBPT Isack Hadjar
22 Racing Bulls Honda RBPT Yuki Tsunoda
23 Williams Mercedes Alexander Albon 55 Williams Mercedes Carlos Sainz 27 Kick Sauber Ferrari Nico Hülkenberg 05 Kick Sauber Ferrari Gabriel Bortoleto
The following aerodynamic component or bodywork areas were checked on car numbers 01 and 12:
- 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 - Driver Cooling Scoop - TR Article 3.6.5 - 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 minimum distance between the adjacent rear wing sections at any longitudinal vertical plane was checked on all cars.
The fuel pressure of all cars during the Sprint was checked.
The logged pressure within the engine cooling system during the Sprint 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 oil consumption 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.
The MGU-K use at the Sprint start 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 Sprint.
The rear brakes pressure control was checked on all cars.
The brake temperature warnings were checked on all cars.
The steering wheel of all cars has been checked.
The Sprint start data of all cars have been checked.
Single clutch paddle use for the Sprint start has been checked on all cars.
It was checked that no car exceeded 80 km/h when leaving the formation grid prior to the start of the Sprint.
It was verified on all cars that the PCU dash display configuration was not changed during Parc Fermé.
The tyre starting pressures of all cars during the Sprint were checked.
The tyres used by all drivers during the Sprint today have been checked.
All car weights and the items checked were found to be in conformity with the 2025 FIA Formula One Technical Regulations.