Race Scrutineering
Time 22:05 2019 BAHRAIN GRAND PRIX 28 - 31 March 2019 The Stewards Title Championship Points Description Championship Points · 2019 · 31 March 2019 · Doc 41
From The FIA Formula One Technical Delegate
To The Stewards Document 41 Date 31 March 2019
Time 21:53
2019 BAHRAIN GRAND PRIX 28 - 31 March 2019
Technical Delegate's Report
Before the race:
The following parts have been replaced today after 17:05 and before the start of the race:
Mercedes:
Car 77: TAG 320
Racing Point Mercedes:
Car 11: Rear view mirror lens
A front floor deflection test was carried on car numbers 33, 03, 20, 55 and 07.
The flatness of the reference and step plane and their position to each other was checked on car numbers 33, 03, 20 and 07.
A fuel sample was taken from car numbers 16, 03 and 08 and analysed during the race.
An engine oil sample was taken from car numbers 16 and 08.
On the grid it was checked that all cars had fitted their tyres when the "3-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 minimum tyre starting pressure of the LHS and RHS front and rear tyre was checked on all cars.
On the grid the temperature of the LHS and RHS front and rear tyre was checked on car numbers 44, 05, 03, 55 and 11.
After the race:
The following cars were weighed:
Number Car Driver
44 Mercedes Lewis Hamilton 77 Mercedes Valtteri Bottas 05 Ferrari Sebastian Vettel 16 Ferrari Charles Leclerc 33 RBR Honda Max Verstappen 10 RBR Honda Pierre Gasly 03 Renault Daniel Ricciardo 20 Haas Ferrari Kevin Magnussen 55 McLaren Renault Carlos Sainz 04 McLaren Renault Lando Norris 11 Racing Point Mercedes Sergio Perez 07 Alfa Romeo Ferrari Kimi Räikkönen 23 Toro Rosso Honda Alexander Albon 63 Williams Mercedes George Russell
The steering wheel of all classified cars has been checked.
Car numbers 10, 11 and 23 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) Skidblock thickness 9) Stepped bottom 10) Diffuser height 11) Diffuser area 12) Overall height 13) Overall width
The profile of the in Article 3.3.2 of the 2019 Formula One Technical Regulations prescribed front wing section was checked on car numbers 10, 11 and 23.
The minimum distance between the adjacent rear wing sections at any longitudinal vertical plane was checked on car numbers 10, 11 and 23.
It was confirmed for car numbers 10, 11 and 23 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 10, 11 and 23.
The front and rear brake air duct dimensions were checked on car numbers 10, 11 and 23.
It was checked that no car exceeded 80 km/h when leaving the formation grid prior to the start of the race.
The race start data of all cars have been checked.
The units locking status 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.
Single clutch paddle use for the race start has been checked on all cars.
The torque coordinator demands were checked on car number 55.
The torque control was checked on car number 55.
The rear brakes pressure control was checked on car numbers 44, 16, 33, 55, 04 and 07.
The plenum temperature was checked on all cars.
The IVT code checksums were checked on all cars.
The IVT temperatures were checked on all cars.
The MGU-K use at the race start was checked on car numbers 44, 16 and 26.
It was checked on car numbers 44, 16 and 26 that the ES was not charged while the car was stationary in the pits.
The ES state of charge on-track limits were checked on car number 26.
The lap energy release and recovery limits were checked on car numbers 44, 16, 33 and 26.
The maximum MGU-K speed was checked on car numbers 44, 16, 33 and 26.
The maximum MGU-K torque was checked on car numbers 44, 16, 33 and 26.
The maximum MGU-H speed was checked on car numbers 44, 16, 33 and 26.
It was verified on car numbers 44, 77, 05, 16, 33, 10, 03, 27, 08, 20, 55, 04, 11, 18, 26, 23, 63 and 88 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.
The total fuel mass consumed by car numbers 44, 77, 05, 16, 33, 10, 03, 27, 20, 55, 04, 11, 18, 07, 99, 26, 23, 63 and 88 during the race was checked.
The fuel temperature of all cars was checked.
A fuel sample was taken from car number 05.
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 Event. Further the density change of the fuel samples taken today was within the permitted limits.
An engine oil sample was taken from car number 77.
The engine oil samples have 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 Event.
All car weights and the items checked were found to be in conformity with the 2019 FIA Formula One Technical Regulations.