Fuel and coolant pumps mechanical drive

In Simple Terms

All the pumps that keep an F1 engine running—fuel, coolant, oil, scavenge, and hydraulic pumps—must be directly powered by the engine itself or the MGU-K energy system using a fixed gear ratio. This ensures teams can't gain advantages by using independent electric pumps or variable-speed systems.

• All five pump types (fuel, coolant, oil, scavenge, hydraulic) must be mechanically driven
• Power source limited to direct engine and/or MGU-K connection only
• Fixed speed ratio required—no variable-speed pumping allowed
• Prevents unfair competitive advantages from alternative pump technologies