Rear spoiler for vehicle

摘要

The spoiler has a vehicle speed ratio of 30 or more. The ratio of intake width to outflow width of between 0,5 and 0,9, and a projection size of -1mm or more. The spoiler is fastened to a vehicle roof, which has a horizontal and a rear surface. It has a horizontal surface along that of the roof, and an inner surface along the rear roof surface. The distance between the last two surfaces has a ratio of intake width to outflow width of 0,5 0,9.