Race Scrutineering
Portuguese Grand Prix · 2021 · 2 May 2021 · Doc 41
From The FIA Formula One Technical Delegate
To The Stewards Document 41 Date 02 May 2021
Time 18:58
2021 PORTUGUESE GRAND PRIX
29 April - 2 May 2021
Technical Delegate's Report
Before the race:
The following parts have been replaced today after 13:57 and before the start of the race:
Haas Ferrari:
Car 09: Headrest
Components of car numbers 44, 77, 33, 11, 03, 04, 18, 05, 14, 31, 16, 55, 22, 10, 07, 99, 09, 47, 63 and 06 were checked and compared with the information supplied by the relevant team's Used Inventory Incremental List (UIIL).
A front wing deflection test was carried out on car numbers 33, 04 and 55.
A front wing flap deflection test was carried out on car numbers 33, 04 and 55.
On the grid it was checked that all cars had fitted their tyres 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 of the LHS and RHS front and rear tyre was checked on car numbers 11, 05, 55 and 06.
On the grid the minimum tyre starting pressure of the LHS and RHS front and rear tyre was checked on all cars.
After the race:
The following cars were weighed:
Number Car Driver
44 Mercedes Lewis Hamilton 77 Mercedes Valtteri Bottas 33 Red Bull Racing Honda Max Verstappen 11 Red Bull Racing Honda Sergio Perez 03 McLaren Mercedes Daniel Ricciardo 04 McLaren Mercedes Lando Norris 05 Aston Martin Mercedes Sebastian Vettel 14 Alpine Renault Fernando Alonso 31 Alpine Renault Esteban Ocon 16 Ferrari Charles Leclerc 10 AlphaTauri Honda Pierre Gasly 99 Alfa Romeo Racing Ferrari Antonio Giovinazzi 09 Haas Ferrari Nikita Mazepin 63 Williams Mercedes George Russell
The steering wheel of all cars has been checked.
Car number 10 was checked for the following:
1) Bodywork around the front wheels 2) Front wing height and overhang 3) Rear wing height and overhang 4) Front and rear wing width 5) Rear wing configuration 6) Rear bodywork area 7) Rear winglet height 8) Skidblock thickness 9) Stepped bottom 10) Diffuser height 11) Diffuser area 12) Overall height 13) Overall width
The profile of the in Article 3.3.1 of the 2021 Formula One Technical Regulations prescribed front wing section was checked on car number 10.
The minimum distance between the adjacent rear wing sections at any longitudinal vertical plane was checked on car number 10.
It was confirmed for car number 10 that any vertical cross section of bodywork normal to the car centre line and situated in the volumes defined in Article 3.5.7 form one tangent continuous curve on its external surface with a radius no less than 75mm.
The concave radius of sections of the two rear wing elements which are in contact with the external air stream was checked on car number 10.
The front and rear brake air duct dimensions were checked on car number 10.
The engine high rev limit bands were checked on all cars.
The oil consumption was checked on all cars.
The plenum temperature was checked on all cars.
The IVT code and calibration checksums were 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 session type has been confirmed for all cars.
Chassis FIA checksum was checked on all cars taking part in the race.
The race start data of all cars have been checked.
Single clutch paddle use for the race start has been checked on all cars.
The MGU-K use at the race start was checked on all cars.
It was checked that no classified car exceeded 80 km/h when leaving the formation grid prior to the start of the race.
It was verified on all cars that the MD5 checksum of the PCU8 (dash board display) used on the car matched the configuration lodged with the FiA prior to the qualifying session.
The tyre starting pressures of all cars during the race were checked.
The tyres used by all drivers during the race today have been checked.
It was checked that all cars did not exceed 15000 rpm during the race.
The fuel pressure of all cars during the race was checked.
The logged pressure within the engine cooling system during the race was 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 fuel temperature of all cars was checked.
The total fuel mass consumed by all cars during the race was checked.
All car weights and the items checked were found to be in conformity with the 2021 FIA Formula One Technical Regulations.