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Daco Heavy Lift transports rotor blades 80km on Goldhofer FTV300 blade device

Daco Heavy Lift Blades for Viento Blanco Wind Farm

Daco Heavy Lift transports rotor blades 80km on Goldhofer FTV300 blade device

The route up to the windy heights of Viento Blanco Wind Farm is ten kilometres long and leads past an active volcano. It follows a narrow winding mountain road lined with trees and rock overhangs and gradients of up to 18 percent uphill and 13 percent downhill. Seven Vestas V 112 wind turbines are being installed at the wind farm. Daco Heavy Lift De Centroamerica transported the rotor blades over a distance of 80 kilometres from the Guatemalan port of Puerto Quetzal to the Viento Blanco site: using an FTV 300 blade transport device from Goldhofer.

It was a logical choice: The FTV 300 met all the requirements for handling such a demanding operation with ease, i.e. without having to blast any rock along the mountain road, cut the power to overhead lines or fell any of the trees that form a dense curtain on both sides of the road. With the FTV 300, Daco’s heavy haulage experts were able to raise the rotor blades to any angle up to 60 degrees. That made it possible for the narrow bends to be negotiated at walking pace without the risk of contact with the embankments.

An additional challenge was presented by the dynamic wind forces acting on the rotor blades in the raised position, when they are up to 50 meters high. That meant Daco Heavy Lift had to have a wind force specialist continuously monitoring the FTV 300’s integrated anemometer. In order to ensure that the rotor blades are always correctly positioned for the optimum wind attack angle, the FTV 300 has a 360 degree pivot system that permits the attached blade to be rotated around its own axis as required.

Thanks to this combination of flexible tilt angle and blade rotation, all the critical sections of the mountain road were negotiated with ease, while passages under the numerous overhead power lines were handled by simply reducing the angle of tilt. As a result, all 21 rotor blades were transported up the mountain in just three hours each.

The first 70 kilometres of the journey were relatively easy, with motorway driving all the way. Handling the last ten kilometres without a single hitch, on the other hand, involved a total of over 16,000 man hours for Daco Heavy Lift, who completed the operation with all the rotor blades in forty days. Thanks to painstaking preparations, a detailed inspection of the route, extensive safety measures and – last but not least – effective cooperation with the Goldhofer Service team, this exceptional transport operation ran smoothly from start to finish!

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