Pu Elements PDF
Power Unit Information
United States Grand Prix · 2026 · 22 October 2026 · Doc 8
2026 UNITED STATES GRAND PRIX
23 - 25 October 2026
From The FIA Formula 1 Race Director Document 8
To All Teams, All Officials Date 22 October 2026
Time 17:20
Title Power Unit Information
Description Power Unit Information
Enclosed R18_United_States_Power_Unit_Information.pdf
Rui Marques
The FIA Formula 1 Race Director
F1 POWER UNIT INFORMATION TO THE TEAMS AND PUMs
2026 UNITED STATES GRAND PRIX
COMPETITION INFORMATION
| ROUND No. | R18 |
|---|---|
| VENUE | Austin |
| CENTRELINE | 5.513 km |
| FORMAT | Standard |
| DATE | 22-25 October |
POWER AND ENERGY LIMITS
| Article C5.2.10 Maximum Recharge per lap | Article C5.12.8 Maximum PU Power Reduction Rate | |||||
|---|---|---|---|---|---|---|
| Race | Qualifying | Free Practice sessions | Out laps other than in Race | Power Limited Distance | Rate Limit | |
| Overtake not active | Overtake active | |||||
| 8.5 MJ | 9.0 MJ | 8.5 MJ | 9.0 MJ | 9.0 MJ | 2847 m | 100 kW/s |
| Article C5.2.8 Maximum DC power of ERS-K function of car speed | 350 )Wk( 300 re | |||||
|---|---|---|---|---|---|---|
| Sprint & Race | Any Practice Session incl. Qualifying Sessions | |||||
| Main Overtaking Zones | Other parts of the Lap | Base - S Base - O | tandard vertake | |||
| Overtake not active | Overtake active | Alt 1 | ||||
| Base - Standard | Base - Overtake | Alt 1 | Base - Overtake |
IDENTIFICATION OF SECTORS WHERE EXCEPTIONS APPLY
| Article C5.2.8iii Sectors where the alternative power curve defined above applies in Sprint & Race | Article C5.12.4 Sectors where the PU power reduction at the start of a Power Limited Pending period can be greater than 150kW (sectors indicated by [ ] are for SQ and Q only) | Article C5.12.5 Sectors where a reset of MGUK power reduction is permitted (sectors indicated by [ ] are for SQ and Q only) | ||||
|---|---|---|---|---|---|---|
| Identification of Sectors | Lap distance window [m] | Identification of Sectors | Lap distance window [m] | Maximum PU power reduction permitted | Identification of Sectors | Lap distance window [m] |
| T4-T8 T12-T20 | 1300-1850 3700-5250 | T4-T8 T12-T15 T16-T20 [Exit T20] | 1300-1850 3700-4200 4500-5250 [5280-5500] | 350kW 350kW 350kW [350kW] | Exit T16 [Exit T20] | 4500-4750 [5350-5500] |
| Article C5.12.7 | ||
|---|---|---|
| Sectors with a higher speed threshold | ||
| Identification of Sectors | Lap distance window [m] | Speed threshold |
| T16-T17 | 4430-4600 | 250km/h |
| OVERTAKE | ||
|---|---|---|
| Article B7.2 | ||
| Detection Gap | Detection Line [sLap & Loop] (Art. B7.2.1b.viii) | Activation Line [sLap & Loop] (Art. B7.2.1b.ix) |
| 1.0 s | 5326 m L21 | 5420 m L1 |