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Rolls-Royce's all-electric aircraft completes 15-minute maiden voyage

Rolls-Royce, best known in aviation for its jet engines, has taken an all-electric airplane on its maiden voyage. The "Spirit of Innovation" completed a 15 minute flight, marking "the beginning of an intensive flight-testing phase in which we will be collecting valuable performance data on the aircraft’s electrical power and propulsion system," the company announced.  Rolls-Royce said the one-seat airplane has "the most power-dense battery pack every assembled for an aircraft." The aircraft uses a 6,000 cell battery pack with a three-motor powertrain that currently delivers 400kW (500-plus horsepower), and Rolls-Royce said the aircraft will eventually achieve speeds of over 300 MPH.  This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. The flight comes about a year after the originally scheduled takeoff and about six months after taxi trials. Rolls-Royce is also developing an air taxi with manufacturer Tecnam, with the aim of delivering an "all-electric passenger aircraft for the commuter market," according to the companies. It has previously teamed with Siemens and Airbus on another e-plane concept.  Aircraft companies have been exploring electric airplanes for a number of years, as air travel and cargo accounts for an increasing amount of greenhouse gases. The World Wildlife Foundation has called it "currently the most carbon intensive activity an individual can make."  Weight is a much bigger problem for airplanes that it is for cars, however. Ford's all-electric Lightning pickup weighs 1,800 pounds more than the gas-powered model, and offers a range that's slightly under half. However, if you added 1,800 pounds to to a Cessna 206 Turbo Stationair, you'd exceed its useful load by 500 pounds before you even loaded passengers (or the pilot) — so it wouldn't even get off the ground.  The project was half funded by the Aerospace Technology Institute and UK government, with the aim of eventually creating all-electric passenger planes. "This is not only about breaking a world record; the advanced battery and propulsion technology developed for this programme has exciting applications for the Urban Air Mobility market and can help make ‘jet zeroÂ’ a reality," said Rolls-Royce CEO Warren East. This article by S. Dent originally appeared on Engadget. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Rolls-Royce Spectre reveal: Watch it here live Tuesday morning

Rolls-Royce is preparing to unveil the Spectre, its first series-produced electric car. The big coupe is scheduled to make its global debut online tomorrow (Tuesday, October 18) at 8 a.m. Eastern, and you can watch the livestream right here to get all of the details. Official details about the Spectre remain few and far between; Rolls-Royce has done a good job keeping the EV under wraps. Official spy shots published by the British company in July 2022 suggest that the model will wear a futuristic-looking design, though it will remain recognizable as a member of the Rolls-Royce range, and it will be the brand's most aerodynamic car thanks to a 0.25 drag coefficient. Inside, the Spectre will be mostly standard Rolls-Royce fare. One of the exceptions is a digital instrument cluster. 2024 Rolls-Royce Spectre testing in Frnace View 10 Photos Rolls-Royce noted that it put the Spectre through the most rigorous testing program it has ever subjected a new model to; prototypes will have covered over 1.5 million miles by the time deliveries begin. While that might sound like overkill, there's a lot to test: In addition to a battery-powered drivetrain, the Spectre features "141,200 sender-receiver relations and has more than 1,000 functions and more than 25,000 sub-functions," according to the company, and it will inaugurate a new suspension system capable of disconnecting the roll bars. Details such as horsepower and driving range will be announced during the unveiling. One of the figures that we do know is that the 59-inch-long doors are the longest units ever fitted to a production Rolls-Royce; put another way, they're nearly as long as a Smart Fortwo is wide. Tune in tomorrow to watch the Spectre make its debut. Deliveries will begin in the fourth quarter of 2023, and pricing hasn't been announced — though Rolls-Royce buyers aren't price-sensitive.

Top horsepower-per-dollar cars in 2017

Bang for the buck. That quasi-scientific statistic is bandied about by motor heads everywhere from classrooms to barrooms, though the truth of the matter is that it's exceedingly complex to measure. A fair performance-per-dollar index would include something like cross-referencing MSRP (Manufacturers Suggested Retail Price) with point-to-point times on a track or driving route, which is obviously hard to do comprehensively. But, for the sheer joy of talking about cars and playing with a big spreadsheet, there's always the horsepower-per-dollar index, which is more straightforward, albeit hilariously flawed. There are vagaries even with this simple formula, of course: MSRP for vehicles can change at a moment's notice, to say nothing of the bottom-line shifting that happens with local deals or showroom negotiation. For this list we're running with the straight MSRP wherever possible, and as recently reported as we can get it. All the vehicles on this list are 2017 models, and all trims are reported where the lowest price and differing power levels intersect. Some choices were made for personal preference and some for sanity, avoiding things like all 48 trim levels of the Ford Transit, all with the same horsepower). If this list were a simple top ten, or even a top fifty, you'd be bored to tears with all the red, white and blue that is represented. Following perfectly with conventional wisdom, American cars really do lead the world where hp/$ is concerned. So, for the sake of variety (and the sheer joy of seeing a minivan 'win' one round of this thing) I've sorted out some top five and bottom five lists for broad power categories. Let's dive in. Less Than 100 Horsepower Okay, okay, this is hardly a category we'll grant you. But we've often tried to click off all the sub-100-hp cars on sale in the US, and making this list gave us an excuse. It also illustrates that none of these smallish vehicles bring cheap horsepower to the table - for that you'll need a motorcycle. The segment-leading Chevy Spark (above) asks just over $139 for each hp, and that Smart Fortwo Electric Drive has hp on sale for about the same price as its very distant family cousin, the Mercedes-Benz SL65 AMG (insert your favorite Smart joke here... we know you want to).