Thursday was a dark and stormy night in Ottawa, and if you looked up you may have noticed a tall construction crane spinning ...

Spanish tower crane manufacturer Comansa has launched a new flat top modular tower crane, the 21CM750. It be manufactured in China for distribution to Asia, South America, the Middle East and Africa.

Broadly speaking, tower cranes typically fall into general categories of either luffing jib or trolley jib types. Luffing jib tower cranes have jib arms that “luff” or pivot up/down like ...

A working arm or jib is connected to the turntable and extends horizontally. Attached to the jib is a trolley mechanism, hoist, and hook. These provide the various functions needed for lifting. Behind ...