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During takeoff, ground effect can cause the aircraft to "float" while below the recommended climb speed. The pilot can then fly just above the runway while the aircraft accelerates in ground effect until a safe climb speed is reached. [2] For rotorcraft, ground effect results in less drag on the rotor during hovering close to the ground. At ...
In car design, ground effect is a series of effects which have been exploited in automotive aerodynamics to create downforce, particularly in racing cars.
Underglow lights on racing cars. Underglow lights on an F/A-18 airplane. Green underglow lights on a scooter moped. In the car industry, underglow or ground effects lighting refers to neon or LED aftermarket car customization in which lights are attached to the underside of the chassis so that they illuminate the ground underneath the car.
Can be induced by pilot inputs or ground roughness, and can happen even at normal landing speed. Porpoising (runaway bounced landing) [2] – repeated bouncing with bouncing amplitude increasing with each touchdown. This is most dangerous bounced landing type typically resulting in severe damage or destruction of airframe. [citation needed]
When the vortices of larger aircraft sink close to the ground — within 100–200 ft (30–61 m) — they tend to move laterally over the ground at a speed of 2–3 kn (3.7–5.6 km/h; 2.3–3.5 mph). A crosswind decreases the lateral movement of the upwind vortex and increases the movement of the downwind vortex. [4]
Fourthly, a floating ground can help eliminate ground loops, [3] which reduces the noise coupled to the system. The image on the right shows an example of such a configuration. Systems isolated in this manner can and do drift in potential and if the transformer is capable of supplying much power, they can be dangerous.
Wolverine Packing Co. has recalled more than 167,000 pounds of ground beef over E. coli concerns. Here are the brands to look out for and how to stay safe. ... H7 is dangerous.
Ekranoplan A-90 Orlyonok. A ground-effect vehicle (GEV), also called a wing-in-ground-effect (WIGE or WIG), ground-effect craft/machine (GEM), wingship, flarecraft, surface effect vehicle or ekranoplan (Russian: экранопла́н – "screenglider"), is a vehicle that is able to move over the surface by gaining support from the reactions of the air against the surface of the earth or water.