Ground effect

Ground effect may refer to:

• Ground effect (aerodynamics), the increased lift and decreased aerodynamic drag of a wing close to a fixed surface
• Ground effect (cars), an effect that creates downforce, primarily in racing cars
• Ground-effect vehicle, a vehicle which attains level flight near the surface of the Earth due to ground effect
• Ground-effect train, an alternative to a magnetic levitation train, using ground effect in aircraft to prevent the vehicle from making contact with the ground