We are honouring Lamborghini this year at the Masters of Motoring supercar show at Bowood House & Gardens on Father’s Day – 60 years of manufacturing some of the worlds exotic cars that others have followed in their designs.
Just a few weeks ahead of launching the first hybrid plug-in V12 High Performance Electrified Vehicle (HPEV), the Sant’Agata Bolognese brand unveils a technical solution that they claim is unique in today’s automotive landscape. The LB744 is based on a new aeronautics-inspired chassis, the ‘monofuselage’. As well as a monocoque made entirely of multi-technology carbon fiber, it features a front structure in Forged Composites; a special material made of short carbon fibers soaked in resin. This technology was patented and used by Lamborghini in its first structural applications as far back as 2008.
The monofuselage represents a significant step forward from the Aventador in terms of torsional stiffness, lightweight qualities and driving dynamics. What’s more, the LB744 is the first super sports car to be fitted with a 100% carbon fiber front structure: carbon fiber is also used for the front cone structures to ensure a level of energy absorption that is significantly higher when compared to a traditional metal structure – double that of the Aventador’s aluminium front frame – combined with a substantial reduction in weight.
In fact, the LB744 monofuselage is 10% lighter than the Aventador chassis, and the front frame is 20% lighter than its aluminum predecessor. The torsional stiffness has also been improved with a value of 40,000 Nm/°, up +25% compared to the Aventador and guaranteeing best-in-class dynamic capabilities.
The design concept underlying the development of the new monofuselage is based on the maximum integration between components. This is optimized thanks to the introduction of extensive Forged Composites technology, as well as the development of the monolithic rocker ring. This use of carbon fiber makes the LB744 unique in the super sports car arena: the single- element ring-shaped component is made of CFRP (Carbon Fiber Reinforced Plastic) and forms the supporting structure of the car. The rocker ring encloses and connects the Forged Composites elements such as the tub, the front firewall and A pillar.
The production of Forged Composites components also optimizes efficiency and increases sustainability during the manufacturing process by reducing the energy consumption of cooling equipment and quantity of waste materials.
The more traditional, but no less efficient, technology of autoclave composite production with pre-impregnated material was retained for the roof construction. The autoclaved carbon fiber meets high technical, aesthetic and quality requirements, complemented by craftsmanship in the highly specialized hand lay-up process, which results from years of quality-driven in-house production of composite material components. It is a manufacturing decision that also gives the customer maximum versatility in roof customization.
The rear chassis is made of high-strength aluminum alloys and features two important hollow castings in the rear dome area: these integrate the rear suspension’s shock towers and powertrain suspension into a single component with closed inertia profile, guaranteeing a significant reduction in weight, an increase in rigidity and a substantial reduction in welding lines.
The LB744 represents a new “year zero” in relation to the use of carbon fiber in car production, summed up in the acronym AIM (Automation, Integration, Modularity). ‘Automation’ refers to the introduction of automated and digitalized processes into material transformation, while preserving traditional Lamborghini manufacturing, such as in the discipline of composites.
Even with such innovation under the hood and beneath the skin, the shape is unmistakeable and we are looking forward to celebrating this incredible marque and their cars over the ages on June 18th.
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