Ixthus Instrumentation Ltd. - PRODUCT NEWS
TruSail select Ixthus Instrumentation for performance sailing systems measurement: Micro angle sensor for arduous marine environment application
TruSail is a UK-based performance sailing specialist and the name of a modular wireless sensing telemetry system that provides a unique scientific and measurable tool for racing sailboats. Used for expert training by elite sailors and coaches, typically competing at national, international and Olympic level, the system includes real-time measurement and advanced analysis of the most significant dynamic forces that influence sailboat performance.
Armed with this data, which may be analysed instantly whilst on the water, sailors can react and improve their performance technique affording a solid team advantage compared to traditional and delayed classroom debriefing methods. As part of the measurement components used on the TruSail system, Ixthus Instrumentation is supplying Euro-CMRK series angle sensors for the TruSails rudder and boom position feedback as well as application expertise that helped the sailing specialists meet its stringent marine environment and performance specifications.
TruSails technical director Glynn Lloyd explains the requirements in detail. Our products need to be light because any additional weight on the boat will potentially slow it down or change the "feeling" of the boat to the sailor. TruSail systems have to work in all weather conditions and because the sailors perform to the limits - with meticulously fine margins between winning and losing - every fraction of a percent in performance really matters. At such extreme limits, high speed capsizing can be frequent so our systems need extreme durability and waterproofing. The Euro-CMRT angle sensors specified by the engineers at Ixthus Instrumentation have proven ideal for these conditions and their miniature design helps keep the TruSails size and weight to a minimum.
At only 10 mm in diameter and 15 mm housing length, and with an M8 threaded mounting and a 3.175 mm flatted shaft, the Euro-CMRT programmable angle sensor now used by TruSail features Hall Effect non-contacting technology in an extremely lightweight IP68 sealed design. Manufactured by Variohm EuroSensor Ixthus sister company in the Variohm Group this new product is the latest version of a comprehensive range of Hall Effect angle sensors that excel for proven durability, long life, high duty-cycle and exceptional reliability. As the smallest angle sensor in Variohms range, it is perfectly suited to precision angle measurement tasks where light-weight and restricted installation space are important design considerations.
For the rudder sensor, the Euro-CMRT is mounted inside the TruSail housing which also includes telemetry electronics. Measuring the rudder angle through the tiller link mechanism (see image with inset below), the sensors angle is transmitted to a large display at the front of the boat that sailors are able to monitor as well as to a tablet on the coaches boat which runs the main telemetry and performance analysis application software. A similar TruSail system with a further CMRT sensor provides the team with the sailboats boom angle position and up to four boats may be linked at the same time with information shared between sailors and coaches. As the sailors are directly able to adapt their sailing style using the monitors, and coaches can support them on the water during the actual training session, sailing performance, boat set-up and learning are all optimised.
The Euro-CMRT is part of a new family of Hall Effect long-life angle sensors that include the 18 mm PCD flange mounting Euro-CMRS and the puck-and-magnet design of the Euro-CMRK. The new products are based on preceding Hall Effect sensors that enjoy a high reputation in measurement applications that include industrial automation, motorsports, mobile construction machinery and agricultural vehicles. Improved production and assembly techniques have led to smaller footprint products with added flexibility that allows straightforward mechanical and electrical adaptation to exactly match the customers requirements.
Across the new Euro-CMRx range a choice of single or dual redundant output, with CW or CCW direction, includes ratiometric or PWM signal levels from an industry standard 5 VDC input. Programmable angles from 30° up to 360° in 1° increments are specifiable with independent linearity to within +/- 0.5% of each signal range. The CMRx family offers a vibration rating that meets IEC 600068-2-6 and a temperature range from -40° C to +125° C, with short term operation to 150° C. Working life is rated in excess of 50 million movements for the housed sensors and the completely contactless puck and magnet version has a virtually unlimited life. Encapsulated sensor electronics combined with high grade anodised aluminium housing and stainless steel shaft materials further ensure reliability and performance for the most demanding environments.
Ixthus Instrumentation is a specialist instrumentation measurement systems designer and supplier and as part of the UK-based Variohm Group works with Variohm EuroSensor - a leading sensor and transducer supplier, designer and manufacturer.
For further information on the TruSail system, please visit https://www.trusail.com/
Ixthus works closely with leading global suppliers of non-contact sensing technologies as well as force, torque and vibration sensor and transducer manufacturers, providing a complete service with its knowledgeable technical staff available to solve customers' measurement problems - from the first enquiry to complete after-sales support.
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