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Porsche 911 Aerodynamic prototype cheated the wind ahead of its time

You might think that sports cars would have the lowest drag coefficient of all cars. And yes, they do tend to be more slippery than, say, SUVs or convertibles, but the sleekest vehicles on the road tend to be EVs, hybrids and luxury sedans. Sports cars, on the other hand, have aerodynamically detrimental needs for downforce and additional engine cooling. Still, the Porsche 911 is better than most, and has only gotten more so over the years. Its relatively narrow track and compact form mean it has a smaller frontal area than some other sports cars, and the gradual sweeping back of its headlights and windshield have only augmented its capacity for cheating the wind.
This 911 prototype, however, is even more aerodynamic than most. It's based on a "G model" 911 from 1984, but employed such features as covered wheels, a new rear spoiler and a reprofiled front end to drop its drag coefficient from 0.40 to 0.27, making it as slippery as a modern sedan and better at cheating the wind than just about anything built up to that point, save for maybe the Tatra 77, Citroën SM or Tucker Torpedo.
Elements of this prototype ended up gradually making it into production Porsches for years to come, and you can clearly see early influences on the second-generation 964 and even on the 959. It's featured here as the latest installment in a video series on rare historic Porsches unearthed from the company archives, following previous clips that featured a rare V8-powered 911 and a mid-engined 911 prototype. Scope out the latest episode in the video below.

Porsche 918 Spyder gets tiny recall for rear control arms

As the recent US recall of a single Koenigsegg Agera shows, even low-production supercars aren't immune from safety campaigns. Now, there's another example that even the fastest cars can have their faults. The Porsche 918 Spyder is a pretty fantastic vehicle for its ability to mix hybrid fuel economy and incredible amounts of power, but Porsche has a problem on a few units of its halo model.
According to the recall document from the National Highway Traffic Safety Administration, Porsche needs to inspect and possibly repair five 918s in the US because the rear axle control arms may break, which could cause a loss of control while driving. In the full defect notice, Porsche says that it first noticed the problem on June 26 when the parts failed during "heavy duty durability testing (extreme race conditions)" at the Nardo test track in Italy. It transported the components back to the company's lab for inspection, and on July 18 it issued a stop-sale to inspect the suspension parts on the supercar. The automaker also contacted owners by phone to warn them not to use the car on track, until repaired.
The affected 918s will be inspected, and if the cars have the bad parts, the control arms are will be replaced. Obviously, this will be done at no cost to owners. According to a Porsche spokesperson speaking to Autoblog, in addition to the five US cars potentially affected, there were 45 worldwide. All of the cars have now been checked. Scroll down to read the report from the regulator or download the full defect notice as a PDF, here.

There's a Porsche Cayman under here somewhere

What we have here is the work of Dubai tuner Royal Customs that is controversial even beyond its styling. The Middle East aftermarket house says it spent fourteen months developing a bodykit for the Porsche Cayman, and the results seem to be aimed at those who wish their coupe were a 918 Spyder - the nose, strake-filled and widened rear fender, carbon fiber wing and massive diffuser all cribbing some from Stuttgart's new hybrid supercar.
Even without a buyer, the Alpha One Concept is already controversial. When WorldCarFans posted on the Royal Customs car recently, German tuner Alpha-N Performance wrote in alleging that the Dubai package copies their design from two years ago, which was also called the Alpha One, a design with which it's clear the Dubai Alpha One shares numerous cues. We asked Royal Customs about its relationship to the Alpha One car, we were told, "Yes, there is a lot we can say about the remarkable similarities all of which will be explained by our press release by Mr. Emil from Autogespot. Please wait for the official release and you will have the full exciting story. It's an 'actual success story' and not a 'replication' story."
The response is referring to an "extensive report" on the car coming out of Autogespot. Royal Customs doesn't have the Alpha One Concept on its site yet, so we're still missing quite a few details on it, such as whether the Porsche engine has been given a similarly 918-ish workover. We do know that the company says each car takes 30 days to build and it will only build three of them, which is a number that should satisfy any haters and, even more so, its buyers. You can decide which side of the fence you're on by having a close look at it in the gallery above.