This configuration gives it all wheel drive and also allows the ECU to either send power to or retrieve power from (in the form of regeneration) either motor to recharge the on-board battery pack -- which can also be juiced up by plugging into the wall.
It also uses a tether and can stay aloft for 12-hours on a single ground-station battery, letting it spy from afar with on-board HD, night-vision and thermal cameras.
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The 22 kW on-board charger enables a completely empty battery to be fully charged in less than an hour.
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The on-board motor is a tiny, 3-cylinder generator that supplies electricity when the battery runs low.
But the vehicle has a small gasoline-powered generator on board that can charge the battery on the fly when it gets low.
The FAA announcement comes on the same day the National Transportation Safety Board told reporters it had identified the exact battery cell that first short-circuited on a plane in Boston in early January, but still had not determined the root cause of the electrical short.
The FAA approved test flights for the Boeing planes with strict conditions to assure safety: Only essential personnel will be on board, crews must continuously monitor the plane for battery-related problems and tests will be conducted over unpopulated areas.
Instead, it makes use of a rechargeable battery, which you can top off using the on-board micro-USB socket.
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Via the integrated on-board charging componentry and the standard Porsche Universal Charger (AC), the battery can reach full charge within approximately two and a half hours when connected to a 240V power source.
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Since then we've seen rumored specs that include Android 2.2, a 7-inch Super AMOLED display, 1.2GHz A8 processor, 4, 000mAH battery, 370-gram weight, and 16GB of on-board memory with up to 32GB of microSD expansion.
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It is battery-driven and can be recharged from the mains or by an on-board three-cylinder engine that never directly drives the wheels.
When Brocious and I tested his hack at three New York hotels prior to his Black Hat presentation, his device was a messy two-piece contraption, with a circuit board wired to a separate battery pack, and it only worked on one of three rooms we tested.
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