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The spider version of the SF90 Stradale, the SF90 Spider, was unveiled today during a dedicated digital event. This special online event provided Ferraristi from all over the world with an exclusive introduction to the car’s innovative features and in-depth information on its development.
As the Prancing Horse’s first production plug-in hybrid spider, the SF90 Spider sets new performance and innovation benchmarks not only for the marque’s range, but for the entire sports car sector. The new convertible has the same extreme supercar specification and record-breaking performance as the SF90 Stradale yet also adds further driving pleasure and versatility to the mix, thanks to latest iteration of Ferrari’s signature retractable hard top architecture. This makes the SF90 Spider the ideal car for owners that demand the very pinnacle of Ferrari technology, but still want the thrill of open-top driving.
The retractable hard top (RHT) was again adopted because it guarantees optimal noise insulation and protection from the elements when raised, does not deform at high speeds and provides exceptional occupant space and comfort. The RHT is so compact, simple and light it can be actioned in just 14 seconds and can be deployed when the car is on the move. The key to the success of the Ferrari RHT, which premiered on the 458 Spider in 2011, and which has been constantly evolved in the intervening years, is that it takes up just 100 litres of space rather than the 150-200 litres required by a traditional system. The use of aluminium in its construction also means that it is around 40 kg lighter than a conventional retractable hard top. An adjustable electric rear window guarantees superb occupant comfort even at high speeds when the RHT is lowered.
As is the case with the SF90 Stradale, the SF90 Spider is also available with an additional specification option for owners that want to push its track car vocation to the extreme. The Assetto Fiorano pack includes a list of exclusive upgrades that set it apart from the standard car, not least Multimatic shock absorbers derived from the Ferrari’s GT racing experience and optimised for track use. Others include the adoption of high performance materials (such as carbon-fibre and titanium) that have shaved 21 kg off the car’s weight, a carbon-fibre rear spoiler and road-homologated Michelin Pilot Sport Cup 2 tyres designed to improve track performance in the dry, thanks to a softer compound and fewer grooves. Lastly, the Assetto Fiorano offers an optional two-tone livery that further underscores the car’s racing vocation.
In a first for a Ferrari production spider, the SF90 Spider has plug-in hybrid architecture in which the internal combustion engine is integrated with two electric motors at the front, and one at the rear derived from. The synergy between the internal combustion engine and the electric motors allow the car to unleash a maximum of 1,000 hp and put the SF90 Spider not only at the very top of the Ferrari range of road cars, but also its category.
The powertrain architecture features the V8 turbo ICE, an 8-speed DCT with E-diff, the RAC-e electric front axle with two independent electric motors that also provide all-electric propulsion, the MGUK electric motor located at the rear between the engine and the gearbox, the high voltage battery and electric motor control system.
The SF90 V8 makes 60 hp more than any other V8 turbo ever built by Ferrari. To deliver this result, Ferrari’s engineers completely redesigned the intake and exhaust systems. To improve internal fluid dynamics, the ducts are now all horizontally lined up at engine head height, the turbo charger assembly has been lowered, and the exhaust line is higher. This rationalization also produced both a lower center of gravity and a reduction in overall weight thanks to the use of Inconel instead of steel for the exhaust manifold.
The SF90 Spider sports the completely redesigned 8-speed, oil-bath, dual-clutch gearbox launched on the SF90 Stradale. An optimized layout, achieved through the adoption of a dry sump and a significantly more compact clutch assembly with a 20% smaller exterior diameter than the one in the 7-speed gearbox, has shaved 15 mm off the installed height in the car. This, in turn, lowers the center of gravity of the running gear by the same amount. Despite the addition of an eighth gear and the need to transmit a maximum torque of 900 Nm (an increase of more than 20% on the current 7-speed), the gearbox’s overall weight is actually 10 kg lower than its predecessor. The clutch’s performance is 35% higher than the 7-speed, transmitting up to 1,200 Nm in dynamic torque during gear shifts. Thanks to new-generation actuation hydraulics, clutch fill times are now 30% faster and total gear shift times have been slashed to 200 ms, an improvement of 30% on the previous 7-speed DTC.
Meticulous attention was lavished on sound quality when redesigning the exhaust system as the soundtrack is one of the pivotal factors in the exhilarating pleasure of driving a Ferrari. The introduction of a “hot tube system”, which transfers sound more directly to the cockpit, has produced fuller, richer harmonics across the entire frequency range, improving both in-car sound quality and intensity as rev rise compared to previous Ferrari V8s.
Ferrari backs the SF90 Spider with an extended seven-year maintenance program. Available across the entire range, the program covers all regular maintenance for the first seven years of the car’s life.
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