P1 And P2 Scrutineering
SAUDI ARABIAN GRAND PRIX 17 - 19 March 2023 The FIA Formula One Media Delegate From The FIA Formula One Media Delegate · 2023 · 17 March 2023 · Doc 26
Document 26
Date 17 March 2023
Time 22:50
2023 SAUDI ARABIAN GRAND PRIX 17 - 19 March 2023 Technical Delegate's Report
Before the first free practice session:
The exhaust system components of all cars were checked against the declaration submitted by the
relevant team before the Competition. During the first free practice session:
The tyre starting pressures of all cars during P1 were checked.
The engine high rev limit bands were checked on all cars. The fuel flow meter calibration checksum was checked 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.
After the first free practice session:
The fuel pressure of all cars during the first free practice session was checked.
The logged pressure within the engine cooling system during the first free practice session was
checked on all cars. The IVT temperatures were checked on all cars. From The FIA Formula One Technical Delegate
To The Stewards
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.
A fuel sample was taken from car number 77.
An engine oil sample was taken from car number 77.
During the second free practice session:
The tyre starting pressures of all cars during P2 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.
After the second free practice session:
The fuel pressure of all cars during the second free practice session was checked.
The logged pressure within the engine cooling system during the second free practice session was 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 MGU-K power model was checked on all cars.
The custom software versions were checked on all cars.
The SECU software versions were checked on all cars.
Chassis FIA checksum was checked on all cars.
The torque coordinator demands were checked on all cars.
The torque control was checked on all cars.
The tyres used by all drivers during the sessions today have been checked.
A fuel sample was taken from car number 04.
The results of 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.
An engine oil sample was taken from car number 04.
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 Competition.
All the above items were found to be in conformity with the 2023 FIA Formula One Technical Regulations.
The FIA Formula One Technical Delegate Jo Bauer