NEW PRODUCTS Schottel launches
retractable rim thruster
A German propulsion expert has launched a retractable variant of its rim thruster that covers the power range up to 500kW. Designed for low-level noise and vibration, the Schottel Retractable Rim Thruster (SRT-R) has been developed from the company’s existing rim thruster (SRT). Optimised by CFD (Computational Fluid Dynamics), the internal propeller blades are hydrodynamically designed to be highly resistant to cavitation.
The SRT-R can cover a thrust radius of 360 degrees. This offers additional versatility, and also allows the thruster to be optimally adapted to any requirement and operation profile, including dynamic positioning operation or as a take-home device.
The SRT is an electric propulsion system. The electric motor stator is installed in the outer part of the tunnel, while the propeller blades are attached to the inside of the rotor. This results in a space-saving and low-weight thruster. It converts electric power directly into propulsion power. Surrounding water permanently cools the electric motor, preventing it from overheating.
Stay tension can be measured in realtime via smarttune
Cyclops Marine has launched a simple-to-install load sensor that accurately measures stay tension in real time and transmits rig-loads wirelessly to a smartphone or boat instruments.
The smarttune load sensor is the first in a new smart range of load sensors and enables users to measure and repeat their fastest settings, control their forestay sag and headsail shape, alongside the mast bend to manage the mainsail shape for optimal racing performance in all conditions, on all points of sail.
The load sensor can be swapped in for the existing turn screw in minutes and showing the live rig load on the user’s smart device seconds later.
The load sensor also shows the rig live load so the crew know they are not overloading it, plus sends live data to mast instrument displays and mobile apps, creating a better communication link between trimmers, tactician, and helm.
The Report • September 2020 • Issue 93 | 99
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