mechanical advantage Archive
⇒UPDATED REPORT: See the new section below which discusses the Milwaukee m18 SuperHawg drill with the m18 9.0Ah high demand battery. Roping technicians are using winches increasingly for rescue and access tasks. There are significant advantages to
Following are the images from each of the questions in the quiz with worked solutions using the ‘T-method’ for calculating Ideal and Theoretical MA. You need to be logged in to view the rest of the content.
This image shows two possible hauling scenarios each using a Petzl IDs for progress capture. There are several ways to determine the mechanical advantage of this system but it is a good exercise to consider the following
The Fast Fours is a simple variation on a standard set-of-fours. The difference is that the far end of the rope is not terminated on the becket of a pulley. Instead it is run through another progress