Exclusive McLaren P1 Review

21 Фев 2014 | Author: | Комментарии к записи Exclusive McLaren P1 Review отключены
McLaren P1  Electric Cars

Exclusive: McLaren P1 Review

This weekend we had an exclusive opportunity to get behind the wheel of one of the most anticipated new hypercars: the McLaren P1! The location of choice was the Kingdom of Bahrain and the Bahrain International Circuit in particular. There we spent two days with the 916hp hybrid monster that the McLaren P1 is.

We also extensively talked with the people involved in development and testing of the McLaren P1 and found out all there is to know about the McLaren flagship!

The McLaren P1 is part of the new breed of hybrid hypercars. It features the 3.8 litre V8 M838TQ engine (upgraded from the M838T of the 12C production road car). Whilst on paper it looks to share similarities with the 12C s powerplant, that is far from the full picture.

The McLaren P1 features a completely re-engineered twin-turbo variant of the V8 powerplant.

The M838TQ variant of the 3.8 litre V8 features a unique engine block casting which incorporates the electric motor. It gets all new turbochargers which run at 2.4 bar pressure, dry sump lubrication and a low sited flat plane crankshaft. On its own, the engine produces 727 bhp at 7,300rpm, and 720Nm of torque from 4,000rpm.

The hybrid drive comes via a single electric motor mounted behind the cockpit alongside the petrol counterpart. The electric motor showcases technology developed by McLaren Group’s dedicated electronics arm. It produces 176 bhp and 130Nm of torque with an effective torque output of 260Nm thanks to gearing.

It can be used in a variety of different ways.

The electric motor features internal rotor cooling to enable maximum performance for longer periods. It weighs just 26 kg and produces more than double the power of the KERS unit used in McLaren’s Formula 1 cars (179PS versus 82PS). The additional power from the electric motor can be deployed through the IPAS button mounted on the steering wheel or run in a full electric E-mode.

McLaren P1  Electric Cars

The battery pack found inside the McLaren P1 features greater continuous power density than any other car battery pack on sale today. It weighs in at just 96 kg and is mounted between the cabin and engine bay for the best weight distribution. It uses six modules, each of 54 cells (324 cells in total) and a Battery Management System (BMS) with active cell balancing.

The later feature is used to transfer charge from cell to cell to maintain an accurate balance throughout the power pack. It is so powerful that extra security and safety measures are taken when mounting or removing the battery pack from the car.

As the performance is extreme, complex cooling is required to guarantee cell performance and reliability. Two extremely accurate and fast safety-critical monitoring boards are fitted to each cell module, reporting on battery cooling, state of charge and battery health.

To recharge the batteries while the car is in use, the P1 uses surplus energy from the petrol engine, generated when decelerating. The batteries are also regeneration when lifting off the throttle in higher gears, but to allow for a consistent braking feel, kinetic energy regeneration has not been included. The P1 can also be equipped with a plug-in charger which takes as little as two hours to full charge, or 10 minutes for a quick charge. Alternatively, a charge button on the facia allows for the V8 to act as a generator.

The gubbins can be stored in the luggage compartment for those times when owners find themselves far from home.

McLaren P1  Electric Cars
McLaren P1  Electric Cars
McLaren P1  Electric Cars
McLaren P1  Electric Cars
McLaren P1  Electric Cars

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