If there is insufficient wind or when the port is entering and sailing, the Ecolution switches to electric motors. The energy for this comes from hydrogen.
“The four cylinders on board contain the hydrogen,” explains technician Wim de Weger. “It goes to the fuel cell through a pipe, and it delivers electricity to the batteries.” The two diesel engines on board could therefore be replaced years ago by an electric, silent motor.
Screw as a dynamo
With about ten thousand kilos of batteries, the ship can sail for one to one and a half days. In addition, the boat itself generates electricity while sailing.
“When we sail, the screw runs through the water,” says crew member Max Marselis. “The electric motor then acts as a dynamo and so we charge the batteries. It is future music to make fully self -sufficient long trips, but it is technically possible.”
Hydrogen
A challenge is still the refueling of hydrogen, which is often complicated and limited available. Maarten Ruijtenberg wants to change Hermanos Energie to that. Together with his brother, he developed an installation that produces hydrogen from normal tap water.
“We make hydrogen here, store it and use it to refuel,” he explains. “Our goal is that these devices will soon be in marinas and companies, so that, just like with a charging station at home, you can also refuel hydrogen for your sloop, forklift or tractor.”
Wubbo Ockels
The Ecolution was built between 2007 and 2010 on behalf of Wubbo Ockels, the Oud Astronaut. After his death, the boat is managed by Stichting Wadduurzaam, founded by three entrepreneurs. Since then, the boat has been stationed in Lauwersoog in Groningen.