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2. Ground effect (cars) - Wikipedia

   en.wikipedia.org/wiki/Ground_effect_(cars)

   In car design, ground effect is a series of effects which have been exploited in automotive aerodynamics to create downforce, particularly in racing cars. This has been the successor to the earlier dominant aerodynamic focus on streamlining .

3. Ground-effect vehicle - Wikipedia

   en.wikipedia.org/wiki/Ground-effect_vehicle

   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.

4. Amphibious vehicle - Wikipedia

   en.wikipedia.org/wiki/Amphibious_vehicle

   Ground effect vehicles, ... and is propelled using two fan blades which are attached to the spokes. ... It went on sale in January 2013.

5. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

6. List of ground-effect vehicles - Wikipedia

   en.wikipedia.org/wiki/List_of_ground-effect_vehicles

   In 2000, the model is for commercial sale in China. The first buyer of Tianyi-1 used the vehicle to carry tourists around Lake Tai. Xiangzhou 1 - 7 passenger capacity wing-in-ground effect craft, 12.7 meters long, 11 meters wide and 3.9 meters tall with a maximum takeoff weight of 2.5 tons.

7. Pratt & Whitney PW1000G - Wikipedia

   en.wikipedia.org/wiki/Pratt_&_Whitney_PW1000G

   In 2012, wind tunnel tests were completed on an earlier version of the fan and in 2015, 275h of testing were completed on a fan rig. More than 175h of ground testing of key components were completed in October 2017, on a shorter duct inlet, a part of the nacelle and a fan with lower-pressure ratio blades, significantly fewer than the 20 blades ...

8. Ducted fan - Wikipedia

   en.wikipedia.org/wiki/Ducted_fan

   A ducted fan may be powered by any kind of motor capable of turning the fan. Examples include piston, rotary (Wankel), and turboshaft combustion engines, as well as electric motors. The fan may be mounted directly on the powerplant output shaft, or driven remotely via an extended drive shaft and gearing.

9. Underglow - Wikipedia

   en.wikipedia.org/wiki/Underglow

   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.