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How design follows function in the Bugatti Chiron Pur Sport and Super Sports 300+

As the successor to the world-beating Veyron, the Bugatti Chiron had big shoes to fill, and by every measure it has succeeded. With its 304-mph top-speed run last fall, the latest Bugatti hypercar has handily beaten all expectations, and Bugatti President Stephan Winkelmann has even publicly stated that the company will no longer chase speed records. One could argue that the Chiron's work here is done, and yet it's merely half way through its projected lifecycle. What more could it possibly accomplish? Bugatti's answer: Go faster on a road course. To accomplish this, the Chiron Super Sports 300+ formula would have to be cast aside for something entirely new. After all, the things that make a car fast in a straight line are only part of the equation when it comes to conquering a race track, and with that mission, the Chiron Pur Sport was born. These two models' diverging missions necessitated distinct design. To learn more about just how differently they were formed, Autoblog attended a virtual round-table with Frank Heyl, Bugatti deputy design director, and Jachin Schwalbe, Bugatti head of chassis development. The distinctions are most evident in their profiles, where the longtail design of the Super Sports 300+ radically alters the Chiron's entire rear "box," making the Pur Sport's sharp rear cut-off seem almost inelegant by comparison. The slow, clean taper of the longtail design accomplishes the same thing aerodynamically that it does aesthetically. When the car is in top-speed mode, the rear spoiler even remains stowed. This design significantly shrinks the low-pressure zone behind the car, reducing the resulting drag, but that absent spoiler also detracts from the Chiron's stability. To compensate for the lack of spoiler deployment, Bugatti's engineers altered the flow beneath the car and through the rear diffuser. Heyl describes this as "free" downforce, because there's no corresponding penalty in drag from gains found with these underbody features.   With the Pur Sport, Bugatti went the other direction. This track-focused car gives up a ton of top speed to its sibling in exchange for nimbleness and acceleration, so being able to cut the minimum hole in the air is far less important. Think of design as a zero-sum game, Bugatti's team says.

Mullin Museum closing after 14 years showcasing amazing vehicles

More sad news to start the year is that the Mullin Automotive Museum in Oxnard, California, is closing in two weeks. Founder Peter Merlin opened the museum in 2010 with a mission "to educate guests about 20th-century French automotive styling and design." This was done beautifully — literally and figuratively — with a focus on vehicles spanning from the Brass Era (1896-1915) to the early postwar period, some taken from Peter Mullins' personal collection. The heavy focus was on French automakers during the interwar period, Art Deco to the Machine Age (1918-1941), namely, Bugatti, Delage, Delahaye, Talbot-Lago, and Voisin, supported with automobilia, sculpture, a theater, and archives.    A lot of enthusiasts might not be familiar with the museum, but the fingerprints of founder Peter Mullin and wife Merle can be found throughout the car world. Peter, who died last September, had amassed the world's largest private collection of Bugattis. Back when a $40 million vehicle sale was enough to be crowned a record sum, Mullin opened his museum with the display of the record-breaking 1936 Bugatti 57SC Atlantic, on loan from the purchaser. He won Best in Show at the 2011 Pebble Beach Concours d'Elegance with his own 1934 Voisin C-25 Aerodyne. The museum put on the shows you'd expect of a private Bugatti collector, like Art of Bugatti in 2014; shows you'd expect of a Francophile institution, like "Citroen: The Man, The Marque, The Mystique" in 2017; and surprises like last year's "ArTexture" exhibit of fine art and tapestries by artist Keith Collins. And he was one of the founding board members of the Petersen Automotive Museum, helping the museum through the renovation that turned it into one of the coolest car spots in LA.     Speaking of which, four of Mullins' personal rides will go on permanent display at the Petersen: a 1937 Talbot-Lago T150 CS “Teardrop,” a 1938 Delahaye 145, a 1938 Hispano Suiza H6B Dubonnet Xenia, and a 1939 Delahaye 165. The museum is only open on Saturdays and Sundays, its last day open being Saturday, February 10 — leaving three more visits for anyone who can make it. Said Merle, who continued keep sharing the collection at shows from Amelia Island to Villa d'Este during Peter's illness, wrote in a statement on the closing, "Sharing these ‘rolling sculpturesÂ’ and beautiful art with others was PeterÂ’s truest passion, and the museum helped bring that vision to life.

Volkswagen posts quarterly profit despite drop in sales

Volkswagen returned to profit in the third quarter as surging Chinese demand for luxury cars helped offset a 1.1% drop in vehicle deliveries due to the pandemic, sending its shares as much as 3% higher on Thursday. The German automaker's return to the black comes amid spiking coronavirus cases in Europe that led governments in France and Germany to order their countries back into strict national lockdowns on Wednesday. "The coronavirus remains a central problem," Volkswagen Chief Financial Officer Frank Witter said in a conference call with reporters. "This situation now is anything but relaxed." But Witter said the group expected the economic recovery to continue and did "not anticipate any nationwide lockdowns in larger markets." Witter said the takeover of U.S. truck maker Navistar International by Volkswagen's trucking unit Traton was an important acquisition, but the "current economic climate will not make this easy." Volkswagen reiterated it expects to post a profit for the full year, saying its business "recovered noticeably" in the third quarter as sales in China of premium vehicles, including Audi and Porsche sports cars, rose 3%. The quarterly performance was also aided by a series of cost-cutting measures launched earlier this year. Volkswagen said its net liquidity rose to 24.8 billion euros from 18.7 billion at the end of the second quarter. Excluding one-time items, third-quarter operating profit was 3.2 billion euros ($3.8 billion), down from 4.8 billion euros a year earlier, but up from a second quarter loss of 1.7 billion. In a note to clients, Jefferies analyst Philippe Houchois described the results as a "solid performance with strong cash, but relatively muted in the context of the (auto) sector recovery." Last week, German rival Daimler reported a record 24% jump in Chinese demand for its Mercedes-Benz cars, boosting its margins in the third quarter. Italian-American Fiat Chrysler Automobiles and Peugeot manufacturer PSA Group both also posted solid results this week. Witter said Volkswagen could not say for sure whether it would meet EU CO2 emissions targets this year, adding "it will be a tough race." At 1030 GMT, Volkswagen shares were up 2.9% at 129.20 euros. Related Video: Earnings/Financials Audi Bentley Bugatti Lamborghini Porsche Volkswagen