Mari-Cha IV

Mari-Cha IV is a sailing superyacht built as a two-masted schooner. The boat was ordered by Robert Miller with the particular goal of winning sailing records. The designers were Greg Elliott and Clay Oliver. The yacht has waterline length of 40.2 m, a width of 9.6 m, and a displacement of 50 t. It was equipped with a canting keel with a 10 t keel bulb, which is able to exert a much larger righting moment then a conventional keel.[1]

On October 9, 2003, Mari-Cha IV improved the previous record for fastest west-east transatlantic passage by a sailing monohull by more than two days, with total time of 6 days, 17h, 15m and 39s. During the run, she also won the record for longest 24h distance sailed, with 525.5 nautical miles.[2] This record was only broken 13 years later, in 2016, by Comanche.[3]

Mari-Cha IV gained particular distinction in 2005, when she broke the 100-year-old record for fastest monohull Atlantic crossing under regatta conditions (as opposed to solo runs, where the team can wait for optimal weather projections), previously established by Atlantic under Charlie Barr during the 1905 Kaiser's Cup. During the 2005 Rolex Transatlantic Challenge she beat out Maximus for line honours and set the new record of 9 days, 15 hours, 55 minutes and 23 seconds.[4]

In July 2004, the yacht also won the record for the fastest passage from the US west coast to Hawaii.[5]

In year 2015 the yacht was renamed Samurai and converted to a fast luxury cruiser. The canting keel was replaced by a simpler retracting keel, and the ship was given a new cabin and interior.[6][7]

References
  1. Müller, Mathias; Bolle, Lars (July 10, 2003). ""Mari-Cha IV" zum Zweiten: Super-Maxi bricht eigenen 24-Stunden-Rekord". Yacht on line (in German). Retrieved September 16, 2019.
  2. "Mari-Cha IV Obliterates Transatlantic Record". sailing.org.
  3. "Commanche Smashes Transatlantic Record". Sailing World. Archived from the original on 2016-11-04. Retrieved 2019-09-16.
  4. Magazin, Yacht. ""Mari-Cha IV" holt historischen Segelrekord". YACHT.de.
  5. World, Yachting (July 8, 2004). "New record for Mari-Cha IV". Yachting World.
  6. Braschos, Erdmann. "Superyacht Umbau: Schnellste Yacht der Welt "Mari Cha IV" wird zum Cruiser "Samurai" | SegelReporter".
  7. "Conversion of offshore racer Mari Cha IV to superyacht Samurai at Royal Huisman | Boat International".
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