Spatial Geneva Mechanism 18 November 2016, 14:00 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! The ratio of dwell period to motion period is 1/1. Angle of each rotation of the driven shaft is 20 degrees. Angle between the pin axis and the crank axis is 10 degrees. « previous mechanism Ratchet Mechanism next mechanism » Altering Speed With Reuleaux Polygon load comments Please enable JavaScript to view the comments.