Doc 51 - Race Scrutineering

Document 51 - Race Scrutineering Report

Date: 31 August 2025 Time: 18:40

This report details the technical checks carried out by the FIA Formula One Technical Delegate before and after the 2025 Dutch Grand Prix.

Before the Race:

• Front Floor Deflection Test: Car #14 was subjected to a front floor deflection test.
• Rear Wing Checks:
  • Adjustable positions of the uppermost rear wing element were checked on cars #81, #04, #16, #44, #01, #63, #14, #06, #30, and #55.
  • Minimum distance between adjacent rear wing sections was checked on cars #81, #04, #16, #44, #01, #63, #14, #06, #30, and #55.
• Clutch Paddle Linearity: Checks were carried out on cars #81 and #30.
• Grid Procedures:
  • All cars were checked for fitted tyres and disconnected tyre heating blankets at the “5-Minutes” signal.
  • LHS and RHS front and rear tyre temperatures were checked on cars #81, #04, #01, #63, #12, #18, #30, #55, #23, and #05.
  • Minimum tyre starting pressure (LHS and RHS front and rear) was checked on all cars.

After the Race:

Weighed Cars:

Aerodynamic Component & Bodywork Checks (Cars #81, #87, #06):

• 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)
• Tail (TR Article 3.8.1)
• 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)

General Post-Race Checks:

• Plank and Skid Wear: Checked on cars #81, #01, #22, #63, #18, #14, #31, #87, #06, and #23.
• Fuel System:
  • Fuel pressure during the race (all cars).
  • Instantaneous fuel mass flow (all cars).
  • Partial load fuel mass flow (all cars).
  • Fuel temperature (all cars).
• Engine & Cooling:
  • Logged pressure within the engine cooling system (all cars).
  • Engine high rev limit bands (all cars).
  • Plenum temperature (all cars).
  • Oil consumption (all cars).
  • Exhaust fluid mass flow (all cars).
• Power Unit Electronics:
  • IVT code and calibration checksums (all cars).
  • IVT temperatures (all cars).
  • ES state of charge on-track limits (all cars).
  • Lap energy release and recovery limits (all cars).
  • MGU-K power limits (all cars).
  • Maximum MGU-K speed (all cars).
  • Maximum MGU-K torque (all cars).
  • Maximum MGU-H speed (all cars).
  • MGU-K power model (all cars).
  • ES power model (all cars).
  • MGU-K use at the race start (all cars).
  • ES not charged while stationary in pits (all cars).
• Control Systems:
  • Torque coordinator demands (all cars).
  • Torque control (all cars).
• General Checks:
  • Session type confirmed (all cars).
  • Chassis FIA checksum (all cars).
  • Rear brakes pressure control (all cars).
  • Brake temperature warnings (all cars).
  • Steering wheel (all cars).
  • Race start data (all cars).
  • Single clutch paddle use for race start (all cars).
  • No car exceeded 80 km/h when leaving the formation grid.
  • PCU dash display configuration not changed during Parc Fermé (all cars).
  • Aerodynamic oscillations metrics (all cars).
• Tyres:
  • Tyre starting pressures during the race (all cars).
  • Tyres cold pressure checked on cars #01 and #43.
  • Tyres used by all drivers during the race (all cars).

Conclusion: All car weights and checked items were found to be in conformity with the 2025 FIA Formula One Technical Regulations.

Signed: Jo Bauer (The FIA Formula One Technical Delegate)