World’s Largest Ferris Wheel Cable Spoke Winches A pair of Thern air winches were used to aide in the construction of the ferris wheel in Las Vegas. Thern air winches were used during construction to lift, position and hold the wire cables (spokes of the ferris wheel) until the cables were fastened in place - much like a bicycle wheel. A Thern davit crane is also permanetly attached to the center hub and is used for lifting equipment a

Join for free to read