MS TŪRANOR PLANETSOLAR
GUINNESS BOOK OF WORLD RECORDS: LONGEST JOURNEY
According to the famous record book: "The longest journey by boat on solar power only is 32,410 nautical miles (60,023 km; 37,296 miles), by MS TŪRANOR PlanetSolar (Switzerland), which circumnavigated the world in a westward direction leaving Monaco on 27 September 2010, passing through the Panama Canal and returning to Monaco after 1 year 7 months and 7 days of navigation, on 4 May 2012. MS TŪRANOR PlanetSolar crew included founder and expedition leader Raphaėl Domjan (Switzerland), engineers Christian Ochsenbein (Switzerland), bosun Jens Langwasser (Germany), captains Patrick Marchesseau and Erwan Le Rouzic (both France). Raphaėl Domjan, engineer Christian Ochsenbein and bosun Jens Langwasser followed the circumnavigation from start to finish with breaks in between."
"Other crew members joined the voyage on selected legs of the journey only. The boat left Kiel, Germany, where it had been built, on 31 March 2010 with fully loaded batteries, then headed for Hamburg and on to Monaco for the official start of the world tour on 27 September 27 2010 at 14:41 (departure line in front of the Fermont Hotel). It was a sunny day and the batteries were fully loaded. The PlanetSolar project, initiated by PlanetSolar founder and expedition leader Raphaėl Domjan and ship-owner Immo Ströher, aims to be the first vessel to circumnavigate the globe in a "solar" boat, i.e. one driven by a silent, pollution-free electrical engine powered exclusively by solar energy. The name "TŪRANOR" is derived from J. R. R. Tolkien's Lord of the Rings saga and translates as 'The Power of the Sun'."
"The MS TŪRANOR PlanetSolar, a 31-metre-long and 15-metre-wide catamaran, is powered by a 537 m² (5,780 ft²) photovoltaic solar generator. Batteries are charging during the day and discharging during the night through the propulsion that is composed of 2 semi-submerged propellers driven by 4 engines. Only solar energy is used during the world tour. The MS TŪRANOR PlanetSolar has a diesel backup, but it is sealed. The batteries began to charge as soon as the system was launched on the water in Monaco and can last for approximately 72 hours. The boat is capable of travelling non-stop around the world, but stopovers are made to maintain food supply and undertake public-relations engagements. On the boat showers, lights, fridges etc. are of course powered by solar energy. Only the kitchen operates with gas."
GUINNESS BOOK OF WORLD RECORDS: COMPLETES WORLD VOYAGE
to the famous record book: "MS Tūranor PlanetSolar, the world's largest solar-powered boat, today completed an incredible round-the-world journey which has earned the catamaran and its crew a total of five world records.
Turanor PlanetSolar measures 31 m long (35 m with flaps), with a beam of 15 m (23 m with flaps) and has a displacement of 85 tonnes. The catamarans upper surface is covered in 537 m2 of solar panels allowing the vessel to be powered by solar energy alone. On 27 September 2010 the boat left Monaco on the first stage of an attempted circumnavigation.
Note the unusual propeller design of this boat - surface piercing blades or paddles that create a lot of splash.
On a solar boat speed is all about having a large solar panel area in relation to the mass of the hull. Other considerations are frontal area and hull drag.
Guinness Book of World Records, certificates for the fastest crossing of the South China Sea and the world's largest solar powered boat @ 31 meters long x 15 meters wide and 85 tonnes.
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