The design utilizes wire ropes in conjunction with two hydraulic jacks to lift the elevator at a 1:2 ratio. For each foot the jack rises, the elevator rises two feet.

The design utilizes wire ropes in conjunction with a single hydraulic jack to lift the elevator at a 1:2 ratio. For each foot the jack rises, the elevator rises two feet. The platform is supported by a cantilevered car frame with the jack, rails, and roping located on one side of the hoistway.