A group of first responders used a rope pulley system to hoist five stranded tourists more than 200 feet out of the Grand Canyon Caverns in Arizona after the elevator broke down on Sunday ...

Most collapsible and rope-and-weight pulley systems have weight limits typically in the 200–240-pound range and are adequate for the average person. However, ...

Watch a professional eucalyptus tree felling using the powerful STIHL MS500i chainsaw paired with a rope and pulley rigging system for precision and safety. In this final tree job video, we ...

Pulley systems ease lifting with ropes over wheels. Single pulleys change force direction; ... Example:If you pull 10 meters of rope to lift a load by 2 meters, the velocity ratio is 5.

Confronting the raging flood and rapid currents, rescuers employed rope traversing techniques. ... They then utilized a pulley zip line system to successfully pull all 11 individuals to safety.

After a man fell more than 30 feet from the side of the rock quarry at Greenway Farms and the Chattanooga Fire Department set up a pulley system to hoist him up, the department is urging caution ...

In movable pulleys, one end of the rope is fixed, and the pulley itself is free to move. When someone pulls the free end of the rope, the load goes up, and you halve the force required.

Firefighters pulled off the rescue by forming a human pulley system. A driver who plunged off a 100-foot cliff in a remote area of Southern California and spent five days "immobilized" in their ...