P3 And Qualifying Scrutineering
Portuguese Grand Prix · 2021 · 1 May 2021 · Doc 29
From The FIA Formula One Technical Delegate
To The Stewards Document 29 Date 01 May 2021
Time 19:50
2021 PORTUGUESE GRAND PRIX
29 April - 2 May 2021
Technical Delegate's Report
During the third free practice session:
The tyre starting pressures of all cars during P3 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 fuel temperature of all cars was checked.
The plenum temperature of all cars was checked.
The IVT 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 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 Event belong to the gear ratios declared to the FIA technical delegate at or before the first Event of the 2021 Championship.
The thickness of the brake discs of all cars taking part in the qualifying session was checked.
During the qualifying practice session:
Car numbers 77, 33, 11, 04, 18, 05, 31, 55, 22, 99 and 06 were weighed.
The weight distribution was checked on car numbers 77, 33, 11, 04, 18, 05, 31, 55, 22, 99 and 06.
The tyre starting pressures of all cars during the qualifying sessions were checked.
After the qualifying practice session:
Car numbers 44, 77, 33, 11, 04, 05, 31, 16, 55 and 10 were weighed.
Car numbers 44, 77, 33, 11, 04, 05, 31, 16, 55 and 10 were 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) Stepped bottom 9) Diffuser height 10) Diffuser width 11) Overall height 12) Overall width
The chassis identification transponders have been confirmed for the top ten cars.
The profile of the prescribed front wing section in Article 3.3.1 of the 2021 Formula One Technical Regulations was checked on car numbers 44, 77, 33, 11, 04, 05, 31, 16, 55 and 10.
The minimum distance between the adjacent rear wing sections at any longitudinal vertical plane was checked on car numbers 44, 77, 33, 11, 04, 05, 31, 16, 55 and 10.
It was confirmed for car numbers 44, 77, 33, 11, 04, 05, 31, 16, 55 and 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 numbers 44, 77, 33, 11, 04, 05, 31, 16, 55 and 10.
The front and rear brake air duct dimensions were checked on car numbers 44, 77, 33, 11, 04, 05, 31, 16, 55 and 10.
The camber change under load und the declared camber has been checked on car numbers 44, 77, 11, 04, 05, 31, 16, 55 and 10.
A horizontal rear wing deflection test was carried out on car numbers 44, 33 and 31.
The uppermost rear wing element adjustable positions were checked on car numbers 44, 33, 04, 18, 31, 55, 22, 99 and 06.
The engine high rev limit bands were checked on all cars.
The IVT code and calibration checksums 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 power model was checked on car numbers 33, 18, 14 and 16.
The ES power model was checked on car numbers 33, 18, 14 and 16.
The session type has been confirmed for all cars.
Chassis FIA checksum was checked on all cars taking part in the qualifying sessions.
The torque coordinator demands were checked on all cars.
The torque control was checked 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.
It was checked that all cars did not exceed 15000 rpm during the qualifying practice session.
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 tyres used by all drivers during the sessions today have been checked.
Fuel flow meter calibration checksums were checked on all cars.
The fuel temperature of all cars was checked.
The following software versions have been used by the teams during the qualifying sessions:
Team FIA Standard ECU system version
Mercedes-AMG Petronas Formula One Team SR1308 Red Bull Racing SR1308 McLaren F1 Team SR1308 Aston Martin Cognizant Formula One Team SR1308 Alpine F1 Team SR1308 Scuderia Ferrari Mission Winnow SR1308 Scuderia AlphaTauri Honda SR1308 Alfa Romeo Racing ORLEN SR1308 Uralkali Haas F1 Team SR1308 Williams Racing SR1308