Hennessey Venom F5 completes aero testing programme


US tuning company Hennessey has completed the aerodynamic development of its Venom F5, the car it hopes will claim the top speed record for a production vehicling by breaking 311mph.

The programme – led by chief engineer John Heinricy – began in February, and saw the F5 exceed 200mph despite its 6.6-litre, twin-turbocharged V8 being limited to 888bhp; half of the 1792bhp it should deliver when let loose.

The next phase of development will focus on handling over the summer, with work on acceleration, high speed stability and braking to follow in the autumn. The car will make its public debut on 22 May at Amelia Island Concours d’Elegance.

“For more than 40 years I’ve been developing high-performance vehicles, yet nothing compares to the Venom F5,” said Heinricy. “We’re making excellent headway in our mission to deliver a world-class hypercar to our customers that handles superbly, while managing its phenomenal power and speed with finesse.

“Every part of our development program is focused on making the Venom F5 the best it can be before customer deliveries start towards the end of this year.”

According to company founder and CEO John Hennessey, almost all of the 24 examples of the Venom F5 slated for production have been sold.

The Venom F5 is Hennessey’s first fully bespoke hypercar. First previewed with a styling model in 2018, the carbonfibre-bodied Venom F5 is differentiated from 2011’s ultra-low-volume Venom GT by utilising an in-house platform instead of a heavily modified Lotus chassis. Autocar has seen the first fully constructed car in the UK ahead of its dispatch to the US.

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Hennessey claims the combination of its colossal engine power and a 1360kg dry weight help make the one of the fastest road-legal cars in the world – possibly even the fastest. The company predicts a 2.6sec 0-62mph time, a 4.7sec 0-124mph time and an 8.4sec 0-186mph time.

Named after the highest rating on the Fujita hurricane strength scale, the F5 Venom uses a carbonfibre monocoque, built by KS Composites in the UK, that weighs just 86kg naked. A rear tubular aluminium subframe contains a 6.6-litre overhead-valve Fury V8 built by Hennessey in Texas with a cast-iron block, aluminium heads, forged connecting rods and pistons and a crank and camshaft made from billet-steel.

This is boosted by a pair of ball-bearing turbochargers with 3D-printed compressor housings that can deliver up to 1.58bar of boost.

In addition to the headline power figure, which is delivered at 8000rpm, Hennessey claims a torque peak of 1193lb ft, with at least 1000lb ft available from 2000rpm through to 8000rpm.



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