【DE】Interboot shows sustainable projects for the water sports of the future

Friedrichshafen – Renewable energy sources, CO2-neutral drives and alternative materials point the way into the boat building and water sports of the future. From the solar panel on the sailboat, to self-supplying electric boats to the local plank – the topic of sustainability is reflected in numerous products at Interboot. At the International Water Sports Exhibition in Friedrichshafen, from the 17th to the 25th September sustainable ideas, offers and presentations are a focus in the Green Area in Hall B3.


A self-sufficient energy supply of on-board batteries regardless of shore power has always been elementary for long-distance sailing yachts. In the meantime, this affects motor boats with electric drive all the more. The Kiel-based company “Flin solar” aims with its solar systems at a highly efficient use of solar energy and presents its latest products in the Interboot green area. “In addition to reliable functionality, we attach great importance to user-friendliness and lean design,” Managing Director Lasse Hochfeld explains his philosophy of maritime e-mobility. For example, specific solar modules for sailing yachts or motor boats are either pulled up on the mast or attached to the sea railing of any boat. The modules can be aligned at an optimal angle to irradiation, depending on the position of the sun. Since the back of the modules is also equipped with solar cells, the reflections from the deck and the water surface are used, which increases the charging power by ten to 20 percent.


A jewel of British boat building comes freshly restored from Potsdam to Friedrichshafen. “Alveus Bootsbau” has reworked an English coastal dinghy Drescombe Henley, which was built in 1991 as a prototype of a solar racing boat. Hilmar Dembler-Malik purchased the 6.68 meter long and two-meter wide fuselage without the drive technology, which was replaced by a 2 kW electric motor of the Torpedo Cruise 2.0 type. The two series-connected batteries (24 volts, 260 ampere hours) are fed with 3D printing feet via an adjustable solar roof. “The Alveus solar boat is still unique, but we see a market for beautiful, sustainable tucker boats,” says Dembler-Malik, who offers the debut for 34,900 euros.


A Finnish company quartet has teamed up for a sustainable appearance on Lake Constance. Since 2019, Pasi Virnes has been building all-electric wooden boats for “the trend towards quiet, smoke-free, ecological locomotion.” The model range of “Elwood Boats” ranges from three sizes with hard top or as an open day cruiser to the large version with middle cabin. Chief designer Jarmo Häkkinen has drawn the hulls from CNC-machined molds in 3D and optimized them for economical electric drive. The motorization of the Finnish cooperation partner Oceanvolt ranges for 10 to 14 knots of top speed.


An alternative to tropical wood is “Vendia Woods” from Luopioinen in southern Finland. The boat planks made of special plywood produced there are based on Nordic pine, from which small rowing boats up to large sailboats are built. The veneers are cut instead of peeled. A large planer cuts the very thin boards, which preserves the grain. “This protects better against mold, and paint orders last longer,” explains co-owner Jouka Dehm. Low susceptibility to deformation and high bending stiffness are further advantages.


Further information can be found on the Internet at WWW.INTERBOOT.DE, WWW.FACEBOOK.DE/INTERBOOT, WWW.INSTAGRAM.COM/INTERBOOT.FRIEDRICHSHAFEN and #interboot.





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