Cable Drive 12 October 2017, 13:00 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! W: weight of the load P: pulling force for moving up the load. Mechanical advantage: 8 « previous mechanism Scissor (Lambo) Car Door next mechanism » Indexing Mechanism ( Deg.) load comments Please enable JavaScript to view the comments.