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Wing sail technology
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Wing Sail Technology : A wingsail is a form of marine propulsion similar to conventional sails. However, a wingsail is a built-up structure with airfoil cross-section, like an airplane wing, which shape can provide a much better lift-to-drag ratio than conventional sails.
Curated by
Nicolas Felix
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In a surprise announcement the next America’s Cup will not be in AC62s but in significantly in smaller foiling cats 
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Former McLaren boss to head up new America's Cup effort.
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Commercial and regulatory challenges are driving the development of new technologies and strategies for the design and operation of ships. To date, most improvements in ship fuel efficiency have been realised through changes in behaviour, such as slow steaming, and reductions in installed power, to meet the Energy Efficiency Design Index (EEDI) requirements.
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To continue the last article from a few weeks back, soft wing sails are a natural step forward from the cambered junk sail. The highlights of the junk rig are easy low-tech construction and ease of handling. There have been forays into the world of wingsails but most of them do not share those two …
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Testing the SRW today with a reef in. Gusting 20+. On RG 650 816. Max speed two sail reaching was 11.3 knots. pic.twitter.com/X7uwTVRw6O Via Greg Johnston
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Nicolas Felix's insight:
The catamaran Miss Nylex was developed to compete in the International Catamaran Challenge Trophy Race. This competition is decided every 2 years for what has become known as The Little
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America's Cup challenger, Luna Rossa, has got back into their work at the team's base in Cagliari, Italy. Top international photographer takes us inside the base
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The strategic goal of this collaborative project is to establish a new, highly interdisciplinary research program in the field of adaptive structural systems. For obvious reasons engineering research need to be related to a specific application. In the frame of this proposal shape adaption is applied to an aircraft airfoil. Yet our findings will provide scientific fundament for many other applications. The main challenge of a smart airfoil lays in the conflicting requirements of deformability and rigidity. In fact, no airplane could possibly fly with a compliant wing, due to the occurrence of dynamic (flutter) and quasi-static aeroelastic instabilities. Previous research on the smart airfoil was mostly based on a purely structural approach: mechanical engineers tried to solve this issue by optimizing the structural features of the wing (with compliant behavior only for selected deformation modes) which resulted in severe limitations for both the adaptability of the wing and its capability to sustain high speed aerodynamic loads.
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The LiveLine data from the 34th America's Cup matches held in 2013 is now available in the new Research Data page of the Sailing Yacht Research Foundation
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When we look out of the window as our aircraft comes in to land, we are used to seeing flaps and slats deploy, and slots open, as the wing reconfigures to increase lift and reduce landing speed.
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by Eric Sorensen As a wet boat racer for 40+ years I was intrigued by the simplicity of landsailing, and when the Landsailing World Championship came to Sm
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Advanced Wing Systems a développé un nouveau type d’aile rigide à partir de deux membranes souples.
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4K video! Wind 10-12 kt. AC45 Turbo, development boat for 35th America's Cup, to be sailed in new AC62 AC45T Training Playlist: http://goo.gl/XwAHVd NEW VIDE...
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La Petite Coupe de l’America, comme il est coutume de l’appeler, est depuis son origine, en 1961, le creuset d’inventions les plus étonnantes. Après les extravagants Dulcinea et Splice décrits sur ce blog, l’aventure de Mountain Lion, premier Class C équipé d’une aile, en 1968, ne manque pas de piquant. Le premier ou le second, car cette année là, l’aile est dans l’air sur la côte Est, l’une sur le lac Deep Creek dans le Maryland, l’autre à Beverly(*), dans le Massachusetts.
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The sad fact is that internet forums tend to fill up with so called experts who have strong opinions on any topic. If you wish to stray a bit off the mainstream you have to learn to just ignore these people, and in a lot of cases, ignore forums altogether. This is because if you’re …
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Is this the future of cruising? Matthew Sheahan tests Beneteau's prototype wingsail.
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Is the 2017 America's Cup going to be all about sailing or technology?
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A Gulfstream business-jet retrofitted with FlexFoil TM - Variable Geometry Control Surface technology is scheduled for NASA/Air Force flight tests in July 20...
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Team Principal, Ben Ainslie looks back at some of the highlights of an incredible year for BAR
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