Sprint Scrutineering
Belgian Grand Prix · 2025 · 26 July 2025 · Doc 40
2025 BELGIAN GRAND PRIX
25 - 27 July 2025
Technical Delegate's Report Before the Sprint:
The following parts have been replaced today after 10:55 and before the start of the Sprint:
Alpine Renault:
Car 10: LHS radiator The front wing gurneys of car numbers 63, 12, 27 and 05 were checked.
The rear wing gurney of car numbers 81, 04, 16, 44, 01, 22, 18, 14, 10, 31, 87, 23, and 55 was
checked. A fuel sample was taken from car number 43.
An engine oil sample was taken from car number 43. 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 it was checked that the top ten cars had fitted the tyres which they had used when doing their fastest lap in Q2.
On the grid the temperature pressure of the LHS and RHS front and rear tyre was checked on car numbers 81, 16, 63, 12, 18, 14, 10, 31, 06, 23, 55 and 05.
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: From The FIA Formula One Technical Delegate To The Stewards Document 40 Date 26 July 2025
Time 13:58
The following cars were weighed:
Number Car Driver
81 McLaren Mercedes Oscar Piastri 04 McLaren Mercedes Lando Norris 16 Ferrari Charles Leclerc 44 Ferrari Lewis Hamilton 01 Red Bull Racing Honda RBPT Max Verstappen
22 Red Bull Racing Honda RBPT Yuki Tsunoda
63 Mercedes George Russell 12 Mercedes Kimi Antonelli 18 Aston Martin Aramco Mercedes Lance Stroll
14 Aston Martin Aramco Mercedes Fernando Alonso
43 Alpine Renault Franco Colapinto 31 Haas Ferrari Esteban Ocon 87 Haas Ferrari Oliver Bearman 06 Racing Bulls Honda RBPT Isack Hadjar
30 Racing Bulls Honda RBPT Liam Lawson
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 number 55:
- 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 - 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 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 race start data of car numbers 81, 04, 16, 44, 01, 22, 63, 12, 10, 43, 31, 87, 06, 30, 23, 55, 27 and 05 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 aerodynamic oscillation metrics was checked on all cars.
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.
A fuel sample was taken from car number 31.
The fuel samples have been checked for density and analysed by gas chromatography.
The results of all the fuel analyses show that the fuels were the same as ones, which had been approved for use by the relevant competitors prior to the Competition. Further the density change of the fuel samples taken today was within the permitted limits.
The engine oil sample has been analysed by FTIR spectroscopy and viscometry. The results of the FTIR analyses show that the sampled oils were consistent with reference engine oil samples which had been approved for use by the relevant competitors prior to the Competition.
All car weights and the items checked were found to be in conformity with the 2025 FIA Formula One Technical Regulations.