Norwegian Marine Institute's Centre for Research-based innovation, CRISP, has recently carryied out  experiments with these adjustable trawl doors on board the research vessel "Catch".
                                                                                                                       The page for the latest news on these and related technologies Fisheries Related:    Controllable Doors on Test! The Norwegian Marine Institute's Centre for Research-based innovation, CRISP, has, in August, carried out  experiments with adjustable trawl doors on board the research vessel "Catch".  These initial trials with approximately half scale size trawl doors and trawl net have been so successful that the trawl door partner is continuing relatively quickly with the manufacture and testing of full-scale "steerable" pelagic trawl  doors. Further testing of these trawl doors on board the research vessel "Johan Hjort" has been planned for  November......... (link to translated English article ..... and to the original Norwegian text) Remote Controllable Doors Tested!  A big step was completed in the beginning of January with Polar latest development in trawl doors, the Poseidon  Remote Controllable Trawl Doors, when a pair of 4,1 square metres Poseidon trawl doors was tested on board the  modern Icelandic research vessel, Árni Fridriksson ........ continue reading here and also here. (Hmmm..... why does  it sound so similar to information on this site??)  Remote Controlled Doors at Icelandic Fisheries Exhibition During the exhibition, Polar Fishing Gear also presented its newest invention, remote controlled trawl doors. The  remote controllable doors, named Poseidon, are designed to control the water flow through the doors so that the  complete fishing gear can be guided to a preferable position in the sea. The inner construction of the doors can be adjusted with remote control from the vessel to reduce or increase the  water flow through the door and the upper and lower sections can be controlled separately.To reduce the spread, the wings are opened and to increase the spread, the doors are closed. This new technology is currently in the design phase and has been tested via computer simulation. The company  hopes to move it to the flume tank for testing at either the end of this year, or the beginning of 2012.... (link to  article in WorldFishing  here). Active Fishing Systems welcomes these latest developments as it .... (full comment here) Rotor Technology: Is the Magnus Effect an outdated technology? Here are three modern applications which refute that idea. 1.   Enercon E-Ship 1: wind-powered ship      15 January 2011 It is the only ship in the world with a hybrid propulsion system that uses wind energy collection by four strong  towers 25 meters high and 4 in diameter. The freighter E-Ship 1 of the German wind power company Enercon wind turbine manufacturer, arrived at the  port of Pecém, near the city of Fortaleza in northeastern Brazil. The E-Ship 1 uses the so-called Magnus effect for propulsion. The four cylindrical rotors combined with electric motors that turn related to the wind effect and generate a force that drives the ship......... (link to article)  State-of-the-art cargo ship to dock with haul of wind turbines   10 August 2010 The world’s most innovative cargo ship E-Ship 1 is expected to dock in Dublin today, delivering wind turbines  for Castledockrell Wind Farm in Wexford. The ship is owned by Enercon, which has supplied 25pc of the wind  turbines installed in Ireland so far. The E-Ship 1 is remarkable in many aspects and represents a full scale demonstration of numerous innovations  to make cargo ships more energy efficient and economic. The most visible characteristic of the ship are four  about 27m tall cylinders, which are rotating at variable speed to create lift on the cylinder body, supporting the ship-like sails........................ (more here and a link to videos of the vessel) 2.   MY Eclipse The world’s largest Mega Yacht at 162m is by far Quantum’s greatest accomplishment in terms of stabilization.  The MagLift™ Zero Speed™ system has been critical in stabilization whilst at anchor of this huge project  ............ (website link,  also click here for some videos on the operation of the system) 3.  Van der Velden® Marine Systems exhibits rotor bow rudder system at Europort 2009  10/15/2009 The rotor bow rudder system is based on the Magnus effect, whereby a pressure differential is generated by a  placing a rotating cylinder in oncoming water currents. This results in a thrust force that is larger than a  conventional rudder as well as a significant enhancement in manoeuvrability .......... (continue reading here)    Active Fishing Systems is working on a new anti-piracy device - watch this space... Read more about combatting  piracy here. nquiries from interested role players, fishermen, manufacturers, organizations, institutions, regulators and investors 
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