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2. Mecanum wheel - Wikipedia

   en.wikipedia.org/wiki/Mecanum_wheel

   A Mecanum wheel is an omnidirectional wheel design for a land-based vehicle to move in any direction. It is sometimes called the Swedish wheel or Ilon wheel after its inventor, Bengt Erland Ilon (1923–2008), [ 1 ] who conceived of the concept while working as an engineer with the Swedish company Mecanum AB, and patented it in the United ...

3. Reaction wheel - Wikipedia

   en.wikipedia.org/wiki/Reaction_wheel

   A small reaction wheel viewed in profile A momentum/reaction wheel comprising part of a high-accuracy Conical Earth Sensor to maintain a satellite's precise attitude. A reaction wheel (RW) is an electric motor attached to a flywheel, which, when its rotation speed is changed, causes a counter-rotation proportionately through conservation of angular momentum. [1]

4. Portal axle - Wikipedia

   en.wikipedia.org/wiki/Portal_axle

   Comparison between normal and portal axles Pinzgauer portal axle. A portal axle (or portal gear lift) is an off-road vehicle suspension and drive technology where the axle tube or the half-shaft is offset from – usually above – the center of the wheel hub and where driving power is transferred to each wheel via a simple gearbox, built onto each hub. [1]

5. General Atomics MQ-9 Reaper - Wikipedia

   en.wikipedia.org/wiki/General_Atomics_MQ-9_Reaper

   The General Atomics MQ-9 Reaper (sometimes called Predator B) is an unmanned aerial vehicle (UAV, one component of an unmanned aircraft system (UAS)) capable of remotely controlled or autonomous flight operations, developed by General Atomics Aeronautical Systems (GA-ASI) primarily for the United States Air Force (USAF). The MQ-9 and other UAVs ...

6. Propfan - Wikipedia

   en.wikipedia.org/wiki/Propfan

   Propulsive efficiency comparison for various gas turbine engine configurations. In the 1970s, Hamilton Standard described its propfan as "a small diameter, highly loaded multiple bladed variable pitch propulsor having swept blades with thin advanced airfoil sections, integrated with a nacelle contoured to retard the airflow through the blades thereby reducing compressibility losses and ...

7. Wheelspin - Wikipedia

   en.wikipedia.org/wiki/Wheelspin

   It monitors individual wheel speeds through the Anti-lock Brake System (ABS) or wheel speed sensors and controls engine inputs to maintain stability and traction to the vehicles wheels. When the traction control system notices wheelspin on any of the wheels it limits the fuel provided through the onboard engine management system and controls ...

8. Apex predator - Wikipedia

   en.wikipedia.org/wiki/Apex_predator

   The lion is the world's second-largest big cat and serves as an apex land predator in Africa. [1] [2] The saltwater crocodile is the largest living reptile and the dominant predator throughout its range. [3] [4] The great white shark (bottom) is one of the top marine predators; however, the orca (top) is known to prey upon them. Thus, great ...

9. Bird of prey - Wikipedia

   en.wikipedia.org/wiki/Bird_of_prey

   Despite this, most raptors are still considered to primarily rely on vision, with raptor vision being extensively studied. A 2020 review of the existing literature combining anatomical, genetic, and behavioural studies showed that, in general, raptors have functional olfactory systems that they are likely to use in a range of different contexts ...