The unmanned aerial vehicles (UAV) designed for plateau missions are usually installed with high span chord ratio wings, which provide more lifting force at a relatively low airspeed. Such UAVs, ...

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Spanish marine repair firm eliminates handling bottlenecks and improves inspection coverage using portable metrology-grade 3D scanning.

Out of sight and out of mind, sailboat propellers are often an afterthought for cruising sailors. Ironically, because manufacturers have developed a variety of efficient sailboat propellers designed ...

video: The maneuverability of unmanned aerial vehicles can be greatly enhanced through the use of variable vectoring technique. The current research developed a novel variable thrust direction ...