WASHINGTON, D.C. (7News) — Recovery crews used a massive crane Monday morning to lift wreckage from the Potomac River, days after a tragic midair collision between a plane and a helicopter left ...

You can then use the crane to lift and move small objects to your heart’s content. The video describes how the build works in intimate detail, from the gears and linkages all the way up to the g ...

In Inverclyde's shipbuilding heyday it was used for lifting the heaviest objects into ships, particularly engines which were often made by the nearby Kincaid works. The crane's category A listing ...

Whiting-Turner will conduct a scheduled crane lift at the northwest corner of Wyman Building 1 from 7 a.m. to noon on Saturday, Feb. 22, with a backup date of Saturday, March 1, in case of inclement w ...

This would break the law of conservation of energy. A crane is designed to lift an object up. The energy transfer equation for lifting a piece of metal is given below. Calculate the efficiency of ...