Get Nebula using my link for 40% off an annual subscription: http://go.nebula.tv/the-efficient-engineer Watch my bonus video on joint diagrams: https://nebula.tv/videos/the-efficient-engineer-understanding-the-joint-diagram --- This video takes a detailed look at bolted joints, and how preload, the tensile force that develops in a joint as it is torqued, can significantly improve the performance of a joint. The video covers tension joints, shear joints, and joints that are subjected to combined tensile and shear loads. It also explores the different methods that can be used to control the amount of preload applied to a joint, including the torque, turn-of-nut and ultrasonic measurement methods. Credit to NASA for the 3d model of the Perseverance Rover: https://mars.nasa.gov/resources/25042/mars-perseverance-rover-3d-model/ --- If you would like to support the channel, please consider becoming a Patron - https://www.patreon.com/efficientengineer. This will allow me to create more high quality videos covering a range of engineering topics. --- The Efficient Engineer is a channel aimed at mechanical and civil engineers. The mission is to simplify engineering concepts, one video at a time! Follow me on Twitter: https://twitter.com/efficiengineer