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The Alef design utilizes hub motors for land travel, while for flight it incorporates eight motor-controller-propeller systems providing distributed electric propulsion, covered by a continuous mesh upper surface to allow airflow during vertical flight. [6] The Model A employs an unusual transition between vertical and forward flight modes.
For small-scale quadcopters, this makes the vehicles safer for close interaction. It is also possible to fit quadcopters with guards that enclose the rotors, further reducing the potential for damage. [2] However, as size increases, fixed propeller quadcopters develop disadvantages relative to conventional helicopters.
1871 Planophore A Farman MF.11, showing the classic Farman configuration with engine between tail booms Buhl A-1 Autogyro, the first pusher autogyro The post-WWII Convair B-36 was unusual in its size, era, number of engines, and combining both propeller and jet propulsion, with six radial piston and four jet engines Typical of many UAVs, the General Atomics MQ-9 Reaper has a propeller at the ...
Rotor-powered vehicles are wind-powered vehicles that use rotors—instead of sails—which may have a shroud around them or constitute an unducted propeller, and which may adjust orientation to face the apparent wind. The rotor may be connected via a drive train to wheels or to a generator that provides electrical power to electric motors that ...
On the road, most flying cars drive the road wheels in the conventional way. A few use the aircraft propeller in similar manner to an airboat, but this is inefficient. In the air, a flying car will typically obtain forward thrust from one or more propellers or ducted fans. A few have a powered helicopter rotor. Jet engines are not used due to ...
Custom flying field of the HHAMS Aerodrome created for RealFlight 7.5 Custom flying field of the HHAMS Aerodrome created for Phoenix RC. An RC flight simulator is a computer program that allows pilots of radio-controlled aircraft to practice on a computer, without the risk and expense of damaging a real model.
3D Robotics develops the open source software that powers a lot of home brew UAVs. Today it's introducing a new tool to the public: DroneKit, software that allows anyone to create apps for, well ...
A pusher aircraft is a type of aircraft using propellers placed behind the engines and may be classified according to engine/propeller location and drive as well as the lifting surfaces layout (conventional or 3 surface, canard, joined wing, tailless and rotorcraft), Some aircraft have a Push-pull configuration with both tractor and pusher engines.