Lexus LFA

The Lexus LFA celebrated  its European premiere at the Geneva Motor Show 2010, although the car has made its debut at the Tokyo Motor Show 2009.  LFA is definetly a supercar unlike any other before it, and is designed to give a highly supreme driving experience. The vehicle is a two- seater sports car powered by a 4.8 litre V10 petrol engine. The Japanese manufacturer will make only 500 models of the LFA, which makes extensive use of carbon fibre.

Lexus LFA Lexus LFA

Features

CARBON FIBRE CONSTRUCTION

The LFA employs a unique Carbon Fiber Reinforced Plastic (CFRP) body to achieve exceptional integrity and light-weight construction. A trio of sophisticated CFRP moldings comprises 65% of the cabin by weight, yielding a low 1485kg curb weight. Pursuit of new CFRP technology internally results in an advanced new joining process for CFRP and metal alloys.

Keeping the car’s overall weight to a minimum was a fundamental requirement. So early in the development process, the team switched from aluminum construction to an advanced Carbon Fiber Reinforced Plastic (CFRP) body, yielding a weight savings of 100kg (220lbs).

In total, CFRP represents 65% of the cabin structure with aluminum alloy braces supporting the engine and suspension, representing the remainder. Within the LFA structural design, three different CFRP molding processes were used, the Prepreg, Resin Transfer Molding (RTM) and Carbon Fiber Reinforced Sheet Molding Compound (C-SMC)

V10-ENGINE

Drawing on racing experience from the grueling Nurburgring 24 Hour race in Germany, the LFA development team equipped the LFA with a track-oriented bespoke V10 engine that sets new standards for compact dimensions, lightweight architecture and scintillating performance. The purpose-built 1LR-GUE engine uses a wide 72° angle between cylinder heads for perfect primary and secondary balance and adopts exotic light-weight materials, including titanium valves and connecting rods, forged aluminum pistons and Diamond-Like Carbon Silicon coated rocker arms. Naturally aspirated induction comes from 10 individual, electronically controlled throttle bodies that provide very linear and predictable power delivery. This advanced design estimates intake volume based on throttle pedal angle, thereby calculating fuel injection volume based directly on driver input, giving an instantaneous response.

THE SOUND

“The Lexus LFA is a car with relentless power delivery and an accompanying exhaust note to give you goose bumps,” enthuses its chief engineer Haruhiko Tanahashi. Inspired by the unmistakable soundtrack generated by a Formula 1 car at maximum revs, his team enhanced and fine tuned the acoustics of the LFA’s V10 powerplant to deliver an awe-inspiring soundtrack – from the rumbling idle note to a nape tingling red-line wail – for those both inside and outside of the cabin.

RACING SUSPENSION AND BRAKES

The Lexus LFA rides on a high-performance, double wishbone front and multilink rear suspension layout. Developed after extensive work at the Nürburgring Nordschleife, it delivers vital steering and chassis feedback to the driver, perfectly balancing on-the-limit capability, exceptional levels of grip and secure high-speed stability.

Specifications

ENGINE

  • CAPACITY, cm3 4805
  • CYLINDERS/VALVES                                                V10/40
  • MAX. POWER, KW (DIN HP) @ RPM                    412(560) @ 8700
  • MAX. TORQUE, NM @ RPM                                     480 @ 6000
  • MAX. RPM                                                                       9000

PERFORMANCE

  • 0 – 100 KM/H, SECONDS                                           3.7
  • MAX. SPEED, KM/H                                                    325
Bob
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