Eco Slim works with electricity by solar panels, wind turbines, batteries and thermal generators that reduce the environmental impact of air and the marine environment and eliminate noise pollution.

With a capacity for 150 people, a length of 78 meters and a width of 10.5 meters, the Eco Slim can navigate to eight knots and is intended mainly to tourism.

The catamaran is 50 percent lighter and carry a 20 percent lower than conventional models. This is due to its hydrodynamic design and innovative construction of the hull. The port and starboard sides were made ​​separately and then joined together by a system of vacuum infusion. As the boat is so light and streamlined, you can use less powerful engines.

The system uses two electric motors connected to multiple sources of energy: a diesel generator and a set of 90 lead acid batteries. The batteries are connected to the generator or two wind turbines and 40 solar panels on the deck.

All the elements involved in the energy supply system of the vessel are controlled by a centralized computer management system. The system, as well as navigation instruments, is powered by a battery lead and a 2-kilowatt hydrogen fuel cell.

With this powertrain, the Eco Slim can navigate continuously for four hours to six or seven knots. The motor and batteries can be recharged in an hour and a half.

The entire process of design, engineering and construction of the Eco Slim has taken place in Spain. Powered by Dalmau Drassanes shipbuilder, the catamaran has been ecologically possible by financial support from the Center for Industrial Technological Development (CDTI) under the Ministry of Science and Innovation Spanish.

A team of engineers from the School of Industrial Engineering of Barcelona and the Nautical School of the UPC in Barcelona helped design the catamaran.

Jordi Llorca, Institute of Energy Technology (INTE), and teachers Ricard Fuses Bosch and Victor Department of Electrical Engineering, have designed the propulsion system, with the assistance of graduate student Gallemis Oriol.

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