Common sense of Ferris wheel

The Ferris wheel bearing , a structure composed of a rotating vertical wheel multi passenger component, in such a way, the rotation of the wheels on the edge, they remain upright, usually by gravity.

  Some of the largest modern mobile crane bearing is arranged on the rim, the electric motor rotate independently, upright every car. These wheels are sometimes referred to as observation wheels, whose cars are called capsule, however these alternative name, sometimes used with conventional gravity type vehicle wheel.

  The first Ferris wheel was built by George Washington gale Ferris, as small as, signs in the 1893 Chicago World Expo Kolumb. Ferris round of the term collectively referred to as all this structure, this is the type of now rides on national exhibition in the most common American.