Now we have seen it clearly: the single-engine concept is in fact significantly more fuel-efficient." Another benefit of this engine design was the ability: to switch off the engine at any time during the job, without switching off the IC-1 crane control system. "Of course we were very eager to see how efficient the innovative Terex Cranes single-engine concept would prove to be in practice and whether fuel consumption would actually be lower than with a two-engine design.
"This illustrated the strength of these cranes, both of which offered extremely sensitive and precise control under load," reported Radek Malina. With these settings, the cranes lifted the bulky load with precise control to the required height of 18 meters. The Terex AC 250-1 crane operated with a main boom length of 41 meters and a working radius of 21 meters while the Explorer 5800's main boom was telescoped to a length of 42 meters at a working radius of 24 meters. Within the stadium, the two Terex cranes moved effortlessly and precisely into position while being able to handle the prefabricated roof structures with ease.Īt the jobsite, the cranes lifted prefabricated structures that compose the roof. The job required cranes that were compact and agile enough to maneuver in very tight conditions and with the capacity and boom length up for the task. But if the load is 30 meters wide and it is to be lifted from within a sports arena structure, precision is of utmost priority," commented Radek Malina, President of Autojeřáby Malina.
"Jointly lifting a weight of around 28 tonnes is actually a relatively easy task for our two Terex cranes.
The solution for this difficult task was a tandem lift with a Terex Explorer 5800 and an AC 250-1 all terrain crane. Limited space and oversized loads – these were the two challenges that crane service provider Autojeřáby Malina had to overcome when lifting the steel roof structures for the new multi-purpose arena in the Czech town of Frydek-Místek.
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