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The FAA has finally given the go ahead for one of the most famous flying car makers to certify its vehicles.
Terrafugia had asked the FAA for a waiver of weight and stall-speed limits so it can self-certify its Transition flying car as a light sport aircraft (LSA).
The resulting decision paves the way for flying cars to finally be certified.
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According to Massachusetts-based Terrafugia, a full-size unmanned prototype of its TF-X (illustrated) is expected to be ready by 2018 before it goes on general sale in 2024. It has now been given the go ahead to certyify a prototype version.
The Massachusetts-based startup applied for the waiver in 2014 when it became clear that meeting highway-safety requirements would drive the gross weight of its roadable aircraft above the 1, 320-lb. limit for LSAs, and push stall speed above the 45-kt. maximum, according to Aviation Week.
It applied for a waiver to allow an 1,800-lb. gross weight and 54-kt. stall speed on the basis that automotive occupant-protection features, including a safety cage and energy-absorbing crumple zones, would increase safety over that available in general-aviation aircraft.
Terrafugia began development of the Transition in 2006, flying a proof-of-concept aircraft in 2009 and a second-generation prototype in 2012.
A third-generation conforming prototype is under construction for testing in 2016–17, with deliveries planned to begin following completion of this testing.
Earlier prototypes for the concept car had folding wings which spread out, ready for take off
Massachusetts-based firm Terrafugia created the Transition, a road-legal airplane. The vehicle can seat two and is small enough to fit in a garage, and comes with col lapsible wings
The US company behind the concept vehicle TF-X is hoping a prototype will be ready to fly in just two years - and it will go on general sale within eight.
According to Massachusetts-based Terrafugia, a full-size unmanned prototype is expected to be ready by 2018.
The firm's concept car has fold-out wings with twin electric motors attached to each end.
TF-X: KEY SPECIFICATIONSThe vehicle will have a cruising speed of 200 mph (322 km/h), along with a 500-mile (805 km) flight range.
TF-X will have fold-out wings with twin electric motors attached to each end.
These motors allow the TF-X to move from a vertical to a horizontal position, and will be powered by a 300 hp engine.
The planned four-person TF-X will be semi-autonmous and use computer-controlled so that passengers can simply type in a destination before taking off.
TF-X vehicles will be capable of automatically avoiding other air traffic, bad weather, and restricted and tower-controlled airspace.
The vehicle will be able to recharge its batteries either from its engine or by plugging in to electric car charging stations.
These motors allow the TF-X to move from a vertical to a horizontal position, and will be powered by a 300 horsepower engine.
Thrust will be provided by a ducted fan, and the vehicle will have a cruising speed of 200 mph (322 km/h), along with a 500-mile (805 km) flight range.
Terrafugia said its aim is to provide 'true door-to-door transportation,' with the vehicle capable of being parked in a home garage like an ordinary car.
The planned four-person TF-X will be semi-autonmous and use computer-controls so that passengers can simply type in a destination before taking off.
'The TF-X operator will have final say over whether an approved landing zone is a ctually a safe place in which to land, and they may abort the landing attempt at any time,' the company says.
The latest model was unveiled at the Experimental Aircraft Association's annual fly-in in Oshkosh, Wisconsin.
Terrafugia has already provided an animation showing how the vehicle would work.
The TF-X concept car (illustrated) has fold-out wings with twin electric motors attached to each end. These motors allow the TF-X to move from a vertical to a horizontal position, and will be powered by a 300hp engine
Thrust will be provided by a ducted fan, and the vehicle will have a cruising speed of 200 mph (322 km/h), along with a 500-mile (805 km) flight range. The planned four-person TF-X will be semi-autonmous and use computer-controlled so that passengers can simply type in a destination before taking off
This shows the vehicle taking off by tilting its electric-powered propellers by 90 degrees.
As the vehicle moves to forward flight, the propellers spin around until they are parallel with the vehicle's body.
When the ducted fan activates, the propellers stop rotating and fold back along the nacelles.
A one-tenth scale model is being tested at the Wright Brothers wind tunnel at the Massachusetts Institute of Technology (MIT).
The trials will test everything from the drag, lift and thrust forces of the model.
A one-tenth scale model of the concept (pictured) is being tested at the Wright Brothers wind tunnel at the Massachusetts Institute of Technology. The trials will test drag, lift and thrust forces of the model
The model was unveiled at the Experimental Aircraft Association's annual fly-in in Oshkosh, Wisconsin. Pictured is an artist's impression
However, Massachusetts-based firm Terrafugia said the TF-X will still be another eight to twelve years in development.
Last year, the same company unveiled a flying car known as the Transition, which has space for two passengers,
It is expected to cost around £183,000 ($261,000) when it goes on sale.
Owners will need a pilot and a driver's licence to operate the road-legal airplane, in addition to 20 hours of flying time under their belt.
But fulfill those requirements, and you'll be able to head down a motorway to an airport, and then take off on a conventional runway.
TF-X vehicles will be capable of automatically avoiding other air traffic, bad weather, and restricted and tower-controlled airspace. It can also be park ed outside a home like an ordinary car
Terrafugia also provided an animation showing how the T-FX would operate. To take-off, the video shows how electric-powered propellers tilt 90 degrees
The founding team behind the creation are Carl Dietrich, Samuel Schweighart, Anna Mracek Dietrich, Alex Min - friends from University, and they call the Transition 'our vision for the future of personal transportation.'
They said: 'We have been dreaming about flying cars since the turn of the 20th century. The Transition street-legal airplane is the first step on the road to the practical flying car.
'We're starting with proven technology and our product road map is designed to make personal aviation progressively safer and more accessible to a broader segment of the population.'
Source: Flying cars get go-ahead from the FAA: Terrafugia gets green light for transforming vehicle that could take to the skies by 2018
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