The Hennessey Venom F5 is a sports car manufactured by the American vehicle-manufacturing company Hennessey Special Vehicles which was established in 2017. The F5 name is a reference to the F5 tornado, the highest rating on the Fujita scale, attaining speeds as high as 261–318 mph (420–512 km/h). Hennessey has contracted with Delta Motorsport of Silverstone, England for the development of the vehicle, which will be the company’s first all new proprietary vehicle as an accredited titled manufacturer. Delta Motorsport also produced all of the previous generation Venom GT cars for Hennessey at its facility in England. The Venom F5 project is overseen by company Founder and CEO John Hennessey, who has shaped every aspect of the car’s specification, design and development. Production will be limited to 24 units, 12 of which were already sold by December 2020. The price of the car in the United States was initially US$1.6 million, but later increased to US$2.1 million for the remaining 12 units. Eight cars are planned to be built and delivered in 2021.
The F5 is powered by a rear-mid-mounted 6.6-litre twin-turbocharged V8 engine that generates 1,817HP at 8,000rpm. This power, 277HP-per-litre, in a car that weighs just 1,360kg (2998lb) generates a power-to-weight ratio of 1.34HP-per-kg (1,298HP-per-ton) – the highest of any road car. The Fury is a 90-degree push-rod cross-plane crank V8 engine that weighs 280kg (617lb). A unique intake manifold design places the intercooler between the plenum and cylinder heads allowing the inlet air temperatures from the turbos to be greatly reduced before the charged air enters the combustion chamber, resulting in greater air density and enhanced power efficiency. The Fury’s multi-stage dry sump oil system uses Pennzoil 10w60 synthetic motor oil to deliver optimum performance right up to its 8,500rpm (in F5 mode) redline. Each engine is hand-built with precision components crafted from high-grade metals including aluminium, titanium and Inconel. These include the crankshaft, pistons, valves and connecting rods.
The F5 uses a specially-designed longitudinally-mounted semi-automatic gearbox with steering wheel-mounted paddle shifters. Having evaluated all potential options, the Hennessey team chose the only option capable of transferring the F5’s furious torque to the road – a single-clutch CIMA gearbox with seven ratios. Cerakote is a ceramic-polymer treatment that is often applied to the inside of gun barrels to protect from heat and wear. By coating the underside of the engine bay cover, rear deck, and the entire exhaust system, the impact of heat on each part can be reduced significantly. Additional power is delivered by two bespoke-built high-output precision ball-bearing turbochargers with 3D printed titanium compressor housings and 76mm (3-inch) billet aluminium compressor wheels. Set right at the rear end of the engine bay sits a bespoke stainless-steel and Inconel exhaust system, which is treated with Cerakote to protect the engine bay from excess heat. The powertrain exhibits an extremely flat torque curve, meaning that the F5 produces high levels of pulling power from very low down in the rev range.
The all-new Hennessey designed carbon chassis features an intricate carbon weave in a herringbone pattern down the centre line of the car. The exterior body panels are also constructed from high-strength carbon fibre for weight saving. The lightweight doors and door sills highlight the extent of carbon fibre engineering that features on the F5. By integrating the sills as part of the door structure, the Hennessey team avoided the ingress and egress challenges of some other hypercars. Moulding the carbon fibre interior and exterior parts required more than 600 separate bespoke pieces of tooling. During the car’s three-year engineering development significant time has been spent on perfecting the chassis and body of the car to achieve lightness, leading torsional rigidity, and purpose-led beauty. The carbon fibre tub also plays an important structural role, which is clear to see within the engine bay. Here, a pair of substantial braces link the double wishbone suspension directly to the monocoque. This transfers forces to the exceptionally rigid carbon fibre shell, aiding to the car’s stability, road holding and predictable handling even at high speed and under extreme cornering loads. The intrinsic strength of carbon fibre enhances occupant safety in the event of an accident.
The exterior design of the F5 revels in simplicity, combining minimal sharp lines with smooth flowing surfaces. By looking to fighter jets for inspiration, as control and precision at speed is central to their function, the front of the car is dominated by aerodynamic features. Every part of the car’s sculpted body informed by the car’s function – to be fast, agile and stable at all speeds. The exterior of the F5 is shaped by aerodynamics and inspired by the pursuit of speed. The entire car exudes determination, purpose and drama from every direction with sculpted aerodynamic ducting and sharp, powerful lines to give the car a real sense of speed and intent, even while stationary. Sitting squat and low to the road the front profile of the F5 sees a pair of air intakes pushed towards the outer lower edges of the car, perfectly framing the cockpit above. The front clam shell is intersected by two supporting pillars of the carbon diffuser, which appear like ‘fangs’ converging below the newly-designed Hennessey ‘H’ logo. The headlights are long and sleek, stretching up and outwards, broadening as they rise towards the apex of each wheel arch. Both units have a clear ‘F’ shape and feature a subtle ‘Hennessey’ script logo embossed within.
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