McLaren F1 successor will get MP4-12C’s 3.8-litre twin-turbo V8 with 800 hp and KERS

Article by Christian A., on January 20, 2012

The new McLaren P12, Woking's spiritual successor to the McLaren F1, is featured on the new February 2012 issue of CAR Magazine. This exclusive inside story about the new hypercar comes with a complete set of three artist impressions gathered with the aid of McLaren insiders. The hypercar is slated to arrive in the next 12 months.

The insider said that the McLaren P12 seems to be “like something out of iRobot.” It appears to be more dramatic than the supercar-by-numbers MP4-12C. This is the first clean-sheet design of McLaren design chief Frank Stephenson who could influence slight details on the 12C similar to the front bumper.

This means that a double-bubble roof and a canopy-style glasshouse dominate the front of the McLaren P12. This eight-page magazine feature provides numerous details about the 800-bhp McLaren supercar, codenamed P12.

The McLaren P12 follows the P11, which is the codename for the project that led to the MP4-12C, which was reported by CAR Magazine four years before it even started selling. The P12 uses a similar carbon Monocell structure as the MP4-12C but it doesn’t have as much budgetary limits. The P12 has a price tag of EUR750,000 but there is more carbon in the bodyshell and structure to reduce weight to the absolute minimum.

The P12 will use the MP4-12C's 3.8-liter twin-turbo V8 engine but it will be mated to KERS energy storage system to offer bursts of electric power for overtaking. The article shows how early styling mock-ups of the P12's cabin got F1-style pistol grip steering wheels with big red boost buttons to set up the KERS overtaking boost.

Serving as the core of the MP4-12C employs a 3.8-liter twin-turbo V8 mill called the McLaren M838T engine. This 90-degree twin-turbocharged flat-plane V8 engine was designed and developed in collaboration with Ricardo plc. The M838T engine redlines at 8,500 rpm, although 80 percent of its torque is readily available as low as 2,000 rpm. It has a bore and stroke of 93 mm × 69.9 mm (3.661 in × 2.752 in) as well as a bore spacing of 108 mm (4.252 in).

Built at Ricardo's engine assembly facility in Shoreham-by-Sea, West Sussex, the McLaren M838T engine employs turbochargers sourced from MHI. When the development was finished, the McLaren M838T engine in the McLaren MP4-12C delivers 600 PS (441 kW) of max output at 7,000 rpm and 600 Nm (443 lb.-ft.) of peak torque at 3,000 rpm.

The P12 is different from the original F1. It has a two-seat cabin and McLaren Automotive managing director Anthony Sherrif told CAR that they experimented with a three-seat layout like in the past but its dimensions have been thoroughly changed.

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Topics: mclaren, sports car

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