fax +44 (0)1962 772021 (As published in the October 2015 edition of Marine Technology Reporter - http://www.marinetechnologynews.com/Magazine), New approach could spark an era of battery-free ocean exploration, with applications ranging from marine conservation to…, Germany-based MENCK, an Acteon offshore engineering firm specializing in hydraulic pile-driving services, has delivered a…, Siemens Gamesa recently tested a new technology together with ZX Lidars, and based on the results both on the medium range…, Hydromea launched a new patent-pending subsea wireless communication modem LUMA X. The thrusters are equally critical to the ROV operation as the rest of the sub-components - but due to the complexity of the thruster coming from moving parts; it is harder to achieve the same level of reliability as can be achieved in the non-moving parts of the system. Contact | The Teledyne Marine Group provides a sea of solutions to the marine industry - please visit our individual companies for more detailed information on Benthos, Blueview, CDL, DG O'Brien, Gavia, Impulse,ODI, Odom Hydrographic, RD Instruments, Reson, TSS and Webb Research, MetOcean Telematics, headquartered in Dartmouth, NS, Canada, provides complete end-to-end telematics services, with a focus on niche MetOcean solutions and custom Defence and Security products. The unique hubless and pressure tolerant design combines rugged design within less components. http://www.marinetechnologynews.com/Magazine, SUPR-REMUS: The Next Generation of Plankton Sampling. Thrusters for ROVs and AUVs are made to order. •    Low Acoustic Noise Signature: Due to the fact that the rim driven propeller has a low tip speed of the propeller blades the noise emission from the propeller is significant lower than a normal propeller. •    Lightweight Propeller: Means that the moment of inertia of the thruster is small, which makes it fast to change the rotational speed of the thruster. Several attempts of implementing the rim driven thruster concept has failed over the years, but due to technological advances in materials science and production techniques, Copenhagen Subsea A/S reports that it has succeeded in implementing the concept resulting in an ultra-reliable thruster with unique features. These marine thrusters integrate the electric motor into the duct around the propeller, resulting in an optimally efficient combination of high-torque motor and fully symmetric thrust. The stator of the electric motor is integrated into the tunnel and the thruster blades are fastened to the inside of the rotor. The electrical Rim-Driven Thruster consist of an electric torque motor which drives an inside propeller. New sizes are introduced when demand is sufficient - please Small fractions of rope and seaweed can pass through the center of the thruster. Requires later version of Internet Explorer. The innovative side-thruster series from Copenhagen Subsea A/S is based on our silent, powerful and reliable rim-driven thruster technology. The reliability of thrusters used in the ROV industry today is also a result of the small batch sizes in which they are produced. •    Compact Form: The thruster is easy to integrate and the thruster has the same thrust in both directions. Kraken Power thruster technology is field proven for the harshest subsea environments. •    Hub-less Propeller:  This gives the advantage of a low risk of entanglement. (As published in the October 2015 edition of Marine Technology Reporter - http://www.marinetechnologynews.com/Magazine), Read Rim-driven ROV Thruster in Pdf, Flash or Html5 edition of October 2015 Marine Technology. Due to its simplicity, the rim driven thruster has for years been seen as the ideal thruster concept, but it has proved to be difficult to implement. Home | VideoRay is the largest volume producer of Underwater ROVs (Remotely Operated Vehicles) in the world. space permits, consider a larger unit. We can provide propeller •    Hub-less Propeller:  This gives the advantage of a low risk of entanglement. Kraken Power thruster technology is field proven for the harshest subsea environments. The LUMA X can beam data using light at…, NOAA is announced funding of 17 new research projects around the country to better understand and predict harmful algal blooms…, The first-ever Ocean Startup Challenge has awarded 14 startup companies with $25,000 each to help the companies advance their…. October 22, 2015. Brunvoll Rim Driven Thruster saves space and energy, offering higher propeller efficiency and lower environmental impact with exceptionally low noise. •    Fluid Free: There is no oil or other fluid inside the thruster. Marine Technology Reporter is the world's largest audited subsea industry publication serving the offshore energy, subsea defense and scientific communities. bollard pull thrust, forward and reverse thrust symmetry and good Beside the propeller, the motor has no gears or other mechanical moving parts. The unique hubless and pressure tolerant design combines rugged design within less components. Furthermore, the bearings use the seawater for lubrication which leads to significantly reduced sound levels. Today one of the limiting factors in the utilization of ROV and AUV is the reliability of the thrusters. Marine Technology ENews is the subsea industry's largest circulation and most authoritative ENews Service, delivered to your Email three times per week. Rim driven thrusters are unique propulsion systems consisting of a fan rotated by a mechanism located at its outer radius rather than by a centerline shaft as seen in conventional fan designs. The SCHOTTEL Rim Thruster is a quiet, space- and weight-saving drive. Products developed under licence. •    Lightweight Propeller: Means that the moment of inertia of the thruster is small, which makes it fast to change the rotational speed of the thruster. Furthermore, the bearings use the seawater for lubrication which leads to significantly reduced sound levels. Jospa will feature “3Improvements” – novel technologies to increase displacement, bandwidth, controllability of wave energy devices. IntegratedThrusters™ originally researched at the University of Southampton, England, have been developed into robust products ranging from 50mm propellers to 300mm 250kgf thrust workhorses. http://www.marinetechnologynews.com/Magazine, Using high resolution 3D meshes for improved shape reconstuction of marine survey data. FAQ | Today one of the limiting factors in the utilization of ROV and AUV is the reliability of the thrusters. The development team behind the thruster has many years of experience with subsea equipment but had to look at other industries in order to find the right combinations of materials and production techniques, which could give the right compromise between reliability and performance required in the subsea industry. A manufacturer of Iridium satellite solutions, drifters, buoys, beacons…, NORBIT SUBSEA designs and develops wideband multibeam sonars for hydrographic applications, forward-looking applications as well as advanced subsea leakage detection.