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McLaren releases new Senna GTR footage and explains that giant wing

McLaren launched the McLaren Tech Club last week with a brief episode about the aerodynamic magic of the open-top McLaren Elva. In part two of the video series, McLaren continues to explain how air and wind affect a car's design, but this time it's in a very different way. McLaren Principal Designer Esteban Palazzo dives into how the massive wing on the McLaren Senna GTR came to be and what purpose it serves. Three extra videos also show new footage of the Senna GTR testing in Bahrain. Like the McLaren F1 GTR and McLaren P1 GTR that preceded it, the Senna GTR's most prominent feature is its multi-tiered, multi-layered, carbon fiber pedestal wing. Palazzo says it was not only inspired by high-performance cars of the past and aircraft design, but also by the likes and tastes of the intended customers. In the case of the Senna GTR, Palazzo mentions science fiction and architecture. The wing, which creates about 2,204 pounds of downforce and aids vehicle stabilization, has a few features that might not be immediately noticeable from photos or video. The shape takes design cues such as the endplates from LMP1 cars. In addition to connecting to the posts, the wing is further integrated into the car's shape with attachments to the rear diffuser. The last piece mentioned is the automatic drag reduction system (DRS), a new piece of moving technology that helps with, well, minimizing drag. After releasing episode two of the McLaren Tech Club, the Brits followed up with three videos of the Senna GTR testing on the Bahrain International Circuit, on which the Senna GTR holds the fastest race lap in the circuit's current configurations. The first video offers an interactive 360-degree interior view, the second video shows the driver's point of view, and the third video is shot from the Senna's front splitter. McLaren does not say who is in the driver's seat. Episode three of the McLaren Tech Club should arrive at a similar time next week. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

McLaren Senna GTR Concept gets racy in Geneva

The McLaren Senna GTR Concept storms its way into the Geneva Motor Show with one very bold claim attached to it: Outside of the British company's Formula One cars, this $1.4-million-dollar supercar is the fastest way around a racetrack in a car with the McLaren badge on it. This is especially big news from a manufacturer that targets the likes of Ferrari, Lamborghini, Bentley, and Bugatti; not to mention that McLaren already has legendary exotic cars like the F1 and P1 on its automotive resume. Based on the recently introduced Senna road car, the Senna GTR delivers more horsepower, more aerodynamic grip, and even more exclusivity. McLaren has promised that the 4.0-liter twin-turbo V8 will produce a minimum of 813 horsepower in the Senna GTR, versus the 789 hp found in the road-going variant. The enormous rear diffuser, towering spoiler, and snow-plow-like front splitter aren't just there for show, either. The highly sculpted carbon fiber bodywork delivers upward of 2,200 pounds of downforce at speed. Much of the body is fitted with quick-release catches, making it easier to replace fenders and other exterior pieces during the heat of competition. The Senna GTR also rides on a special set of lightweight, 11-spoke alloy wheels. Combined with a revised double wishbone suspension, Pirelli racing slick tires, and a race-style transmission, the Senna GTR will "post the quickest McLaren circuit lap times outside Formula 1," according to McLaren's press release. That headline-grabbing claim probably won't stand for much longer, however. It's an open secret that McLaren is hard at work on road and race versions of the cryptically-named BP23, the firm's "hyper-GT" that pays homage to the original F1 supercar, produced from 1992-1998. "The track-only McLaren Senna GTR will have more power, more grip and more downforce – up to 1,000 kilograms – than the McLaren Senna and post even faster lap times," said Mike Flewitt, McLaren Automotive CEO. "The very limited number of customers who secure this car will be buying the closest experience you can get to a race car without actually lining up on a circuit grid." Interestingly, about the only thing this race-focused McLaren doesn't offer is the means to drive it on public roads – this is a track-only speed machine. Then again, if you can afford the roughly $1.4-million price and manage to snag one of the 75 scheduled to be built, commissioning the build of your own private racetrack probably isn't out of the question.

This is why the windshield-less McLaren Elva doesn't require goggles

Every Ultimate Series supercar McLaren makes has its own aerodynamic challenges. But while the P1's, Senna's, and Speedtail's aero missions were mainly focused on performance, the biggest aerodynamic challenge of the McLaren Elva was creating a "virtual canopy." Similar to the Bentley Mulliner Bacalar, the Aston Martin V12 Speedster, this unreleased Bugatti concept, and the Ferrari Monza SP1 and SP2, the Elva has no roof and no windshield. Although this creates a dramatic design and a pure open-air experience, the wind can be an annoyance without the proper gear such as a helmet and/or goggles. McLaren set out to solve that problem and make it so its drivers and passengers could drive the Elva without any gear whatsoever. To accomplish this task, McLaren came up with a fairly simple idea that requires complex execution. Essentially, the air that enters the lower intake on the front fascia is put through a J-shaped or hook-shaped duct and mitigates airflow that hits passengers. The duct curves the airflow toward the front of the car at high speeds and interrupts the air flow that is traveling over the hood. This interruption creates the aforementioned "virtual canopy" that protects those in the car from any air disturbances. The final piece of this technology is a "gurney" just in front of the hood vent that will pop up when traveling at higher speeds to create a bigger bubble. The host of the video, Director of Engineering Design Dan Parry-Williams, says that the bubble is so clearly defined that sticking a hand up into the air path feels like sticking a hand out the window. Parry-Williams explain how it all works in the video above. In other news, McLaren's motorsport division recently announced it has furloughed its staff and its F1 drivers have taken a pay cut during the pandemic and financial crisis. Read more about what actions McLaren is taking during these uncertain times.