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Tûranor PlanetSolar

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PlanetSolar in Miami, Florida
History
Switzerland
NameMS Tûranor PlanetSolar
OwnerPlanetSolar SA from 2015 Race For Water Foundation
BuilderKnierim Yachtbau, Kiel, Germany
Cost€15 million
Launched31 March 2010
General characteristics [1]
Class and typeYacht
Displacement85 tonnes
Length31 m (35 m with flaps)
Beam15 m (23 m with flaps)
Propulsion
  • 2 Permanent Magnet Synchronous Electrical Motors – 60 kW each (max) @ 1600 rpm
  • 2 Permanent Magnet Synchronous Electrical Motors – 10 kW each (max) @ 1000 rpm
Speed
  • 10 knots (19 km/h; 12 mph) (max)
  • 5 knots (9.3 km/h; 5.8 mph) (cruising)
Crew4

MS Tûranor PlanetSolar, known under the project name PlanetSolar, founded by the Swiss explorer Raphaël Domjan, is the largest solar-powered boat in the world[2] and launched on 31 March 2010. The vessel was designed and engineered by LOMOcean Marine. In May 2012, the vessel became the first solar electric vehicle ever to circumnavigate the globe taking 584 days between 2010 and 2012.[3]

The boat was renamed Race for Water in 2015, after the name of the foundation which then operated the vessel and was dedicated to water conservation missions and to protect the oceans from plastic pollution.[4] In 2021, new owners Porrima projects renamed the ship Porrima.[5]

In September 2022, Porrima ran aground in India and was heavily damaged; see: Porrima runs aground in India

Technical characteristics

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The 31-metre boat is covered by 537 m2[6] of solar panels rated at 93 kWp,[7] which in turn connect to two electric motors, one in each hull.[2] There are 8.5 tons of lithium-ion batteries in the ship's two hulls.[8] The boat's shape allows it to reach speeds of up to 10 knots (19 km/h).[1] The hull was model tested in wind tunnels and was tank tested to determine its hydrodynamics and aerodynamics. The boat was designed to be used as a luxury yacht after the record attempt was finished.[9] The vessel was later used as an Ambassador for the project Race for Water.

The boat is registered in Switzerland and was financed by a German entrepreneur, Immo Ströher and designed by New Zealand naval architect Craig Loomes.[10] Construction cost was €15 million.[11] The name Tûranor, derived from J.R.R. Tolkien's novel The Lord of the Rings, translates to "The Power of the Sun".[12]

Around the world

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PlanetSolar in Hamburg, 2010

On 27 September 2010, Tûranor PlanetSolar set off from Monaco to circumnavigate the globe solely with the aid of solar power. One aim of the project was to focus public awareness on the importance of renewable energies for environmental protection.

The boat had a full-time crew of four including:[13]

Additional crew members joined the voyage during select legs of the voyage including extra security in the Gulf of Aden.[14]

A significant stopover was Cancún, Mexico, during the 2010 United Nations Climate Change Conference held there from 29 November to 10 December 2010. During the expedition, Tûranor PlanetSolar broke two records: the fastest crossing of the Atlantic Ocean by solar boat and the longest distance ever covered by a solar electric vehicle. Tûranor PlanetSolar returned to Monaco on 4 May 2012 after 584 days sailing around the globe.

2013 voyage and transatlantic record

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After an engine refit, Tûranor PlanetSolar broke its own record, crossing the Atlantic Ocean from Las Palmas to Saint Martin in the Caribbean in only 22 days, four days faster than on the circumnavigation trip. The boat left Las Palmas on 25 April and arrived in Marigot on Saint Martin on 18 May. The trip led to Miami, Florida, and then continued as a scientific expedition along the Gulf Stream.[15] On the return trip the boat reached St John's, Newfoundland, on 1 August 2013 before heading back across the Atlantic.[16]

[edit]
  • Construction in Kiel, Germany.
    Construction in Kiel, Germany.
  • At the shipyard of Concarneau.
    At the shipyard of Concarneau.
  • View of the bow, showing the three hulls.
    View of the bow, showing the three hulls.
  • Original data sheet on the fuselage.
    Original data sheet on the fuselage.
  • View of the gangway.
    View of the gangway.
  • Louis Boisgibault (left), author of academic books on energy transition, meets crew.
    Louis Boisgibault (left), author of academic books on energy transition, meets crew.
  • View of the surface piercing propeller.
    View of the surface piercing propeller.
  • View of the stern of the ship.
    View of the stern of the ship.
  • Top view of extended solar panels.
    Top view of extended solar panels.
  • The vessel at sea, renamed Porrima by new owners, 2022.
    The vessel at sea, renamed Porrima by new owners, 2022.

See also

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References

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  1. ^ a b "Technical Data Sheet". PlanetSolar. Archived from the original on 2010-07-05.
  2. ^ a b Pilato, Fabrizio (26 February 2010). "PlanetSolar 100′ catamaran has 38,000 photovaltaic solar cells, set to sail in March". Mobile Magazine. Archived from the original on 2 March 2010. Retrieved 30 March 2010.
  3. ^ Gieffers, Hanna (4 May 2012). "Ankunft in Monaco: Solarboot schafft Weltumrundung in 584 Tagen". Spiegel Online (in German). Retrieved 5 May 2012.
  4. ^ "The Boat". Planet Solar.
  5. ^ "A new owner for the Race for Water vessel". www.sailworldcruising.com. Retrieved 2022-05-19.
  6. ^ "First Circumnavigation by Solar-Powered Boat". Guinness Records.
  7. ^ "PlanetSolar Unveils World's Largest Solar Boat". Environment News Service. February 27, 2010.
  8. ^ "An inside look at the world's largest solar-powered boat". The Verge. June 22, 2013.
  9. ^ "PlanetSolar". LOMOcean Design. Retrieved 2010-04-24.[permanent dead link]
  10. ^ "The Boat". Planet Solar website.
  11. ^ Behling, Frank (24 April 2010). "Das Solarschiff fährt" (in German). Kieler Nachrichten. Archived from the original on 26 April 2010. Retrieved 26 April 2010.
  12. ^ "A Milestone in the Progress of Solar Mobility". PlanetSolar. Archived from the original on 2010-07-05.
  13. ^ "Team – Fondation PlanetSolar". www.planetsolar.swiss. Retrieved 2020-12-19.
  14. ^ "Logbook – Fondation PlanetSolar". www.planetsolar.swiss. Log Entry of March 5th, 2012. Retrieved 2020-12-19.
  15. ^ "PlanetSolar – four days faster across the Atlantic". Sail World. 19 May 2013. Retrieved 19 May 2013.
  16. ^ Hayward, Rhonda (2 August 2013). "Solar ship visits St. John's". The Telegram. Retrieved 14 August 2016.

Further reading

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  • Desmond, Kevin (5 October 2017). "Appendix B. (Tûranor PlanetSolar)". Electric Boats and Ships: A History. Jefferson, North Carolina: McFarland & Company, Inc. p. 240. ISBN 9781476665153. OCLC 959535510.
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