They told details about the engines of the fastest McLaren in historyMay 1, 2020
McLaren Corporation in detail told on Friday, May 1, about the features of the power unit of the Super Hybrid Speedtail. The most dynamic model in the brand’s history will be able to accelerate to 403 km / h, it has an electric motor with Formula E technologies and a compact battery, the specific productivity of which is 4 times higher than that of the McLaren P1 battery.
The Speedtail unit is designated M840TQ and produces 1,070 hp. (1150 Nm). It consists of a 4.0 turbocharger with a capacity of 757 hp. (800 Nm), having a new intake system, other pistons and an upgraded block head cooling system.
The auxiliary 313-horsepower electric motor uses the technology of Formula E and shows a maximum output of 11 hp, which is 2 times higher than the performance of modern sports cars. For example, the Xpeng P7 sedan has a specific engine performance of 2 kilowatts per kilogram (3 hp).
The elements of the unit are a racing inverter and a current converter, and also a 1,647 kW / h battery. Its specific productivity is 5.2 kilowatts per kg, peak – 270 kilowatts.
All this gives the Speedtail the ability to accelerate to 300 km / h in 12.8 seconds. Acceleration to 100 km / h is not currently reported. “Maximum speed” is 403 km / h.
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