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Lilium’s Electric Personal Jet Manages a Vertical Takeoff Flying Cars
The Lilium jet may look like somebody’s wacky concept of a futuristic aircraft that will never be able to fly, but that couldn’t be further from the truth. It has recently completed a series of flight tests in Munich, Germany, proving that the first all-electric vertical takeoff and landing (VTOL) jet is capable of taking to the skies. The company even released a video of Lilium’s maiden flight: Flying Cars
The jet, which isn’t actually a jet, can take off and land vertically like a helicopter and fly like an airplane, making it just the thing for congested cities because it doesn’t need a runway. In other words, it’s everything you want in a flying car: It picks you up wherever you are, and plunks you down exactly where you want to go.
While the company plans to conduct manned flights in the future, the first series of tests remotely controlled a two-seater prototype from the ground. Its ultimate goal, however, is to release a five-seater version that can fit whole families and groups of friends. What gives the Lilium potential to become a great personal jet (or flying car, Flying Cars if you prefer to call it that) is that it doesn’t need a runway. It can take off and land like a helicopter from your (large) backyard, even if it’s within the city.
The vehicle also promises a range of 186 miles and speeds up to 186 mph, enough to take you from Manhattan to the JFK airport within five minutes. The German startup isn’t quite ready to take pre-orders for the Lilium yet, since its five-seater variant will have to go through years and years of testing. Flying Cars Still, its successful test flights and backing from the European Space Agency give us hope that a production version will eventually make its way to market.
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Still, Lilium has a long way to go before a weird electric plane with a big battery, three dozen propellers, and room for five passengers carries anyone anywhere, let alone 190 miles at 190 mph, as Wiegand envisions. Flying Cars “I’d say that’s impossible off the top of my head,” says Richard Pat Anderson, who runs the Flight Research Center at Embry-Riddle Aeronautical University and is developing his own vertical takeoff and landing aircraft. “They’re definitely exceeding some fundamental math.”
Despite advancements in battery tech—Elon Musk thinks they’ve reached the point where they can power an 18-wheeler—jet fuel still stores far more energy per pound, a key consideration in an industry where weight trumps just about everything. Flying Cars So far, Airbus has succeeded in squeezing 60 miles and 137 mph from the 350-pound battery in its experimental two-seater eFan.
The faster and farther you want to fly, the bigger a battery you require. Eventually, you hit a point where the added mass outweighs the benefits of more kilowatt-hours, which is why Airbus decided to try a serial hybrid approach instead and Anderson’s team started there. Serial hybrid aircraft use a fuel-burning generator to recharge the batteries while flying, which makes them something like a flying Chevrolet Volt.
But let’s say Lilium makes this happen, even if it doesn’t quite deliver the specs Wiegand proposes. Building its wild electric plan leads to the Uber-esque air taxi serviceWiegand envisions. That could work—if his startup solves a few other problems. Flying Cars The first is figuring out how to certify an entirely new kind of aircraft (Europe will be easier than the US, which doesn’t even have any way to regulate electric planes), set up the necessary landing and takeoff infrastructure, and ensure air traffic
control can handle an invasion of aircraft flying a few hundred feet above city streets.
OK, let’s say Lilium solves all that. Then, it gets to fight the competition. Advances in battery tech and electronic flight controls, paired with the success of car-based ridesharing services, have a few startups chasing the same dream. China’s EHang wants to launch its passenger-toting drone in Dubai (of course) this summer. Aeromobil in Slovakia and Terrafugia in Massachusetts have their own take on flying cars (or, as Terrafugia calls it, “roadable aircraft”). Joby Flying Cars Aviation wants to launch an electric flying taxi service within five years.
And if Lilium’s going to win customers away from all those opponents, offering the right balance of speed, range, and cost becomes critical. So yes, the first flight is good news. But don’t expect your flying car to take off just yet.
Written by unbonmotgroundswell