Our performance-enhancing Class S propellers and flow-aligned rudders have just been fitted to Scarborough Boatworks’ ‘Skin Deep’ 75′. Alongside our partners Wildcat Propellers, we work closely with the Scarborough team to achieve optimum performance. Scarborough’s ‘Gametime’ 75′ (which scooped over $1.8million when it won the Big Rock Blue Marlin Tournament in…
Seatrialling CJR’s new Sailfish propellers
Our new, ultra-efficient Sailfish propellers are currently undergoing round two real-world testing with a number of custom and production boatbuilders. We were in the USA last week to support the trials, which includes the ultimate test: how this uniquely shaped propeller performs backing down. Initial results are very positive –…
Designed for a smooth and comfortable ride
This 1m diameter, Bureau Veritas approved CJR MRK Revolution propeller is one of a pair we’ve recently produced for a 35m superyacht. Working closely with our partners Navantec for this project, the propellers have been CFD designed and fully CNC-machined to provide an exceptionally smooth and comfortable ride. Alongside ride…
Superyacht Design Support
CJR’s Graduate Propeller Design Engineer Darius Jesaniel B. returned to Solent University last week as the current 2025-26 cohort of MSc Sustainable Marine Craft and Superyacht Design students presented their designs for a 60 metre Amazon-based Superyacht. Darius sat alongside alongside fellow yachting industry professionals from Sunseeker International Ltd, Oyster…
Supporting the next generation of marine engineers
We were delighted to welcome second-year students from Solent University for a tour of our facilities and an insight into our technically-refined design and manufacturing processes last week. During the visit, students saw how we deliver a seamless workflow, from initial CFD modelling to identify the optimum propeller design, through…
Showcasing our advanced manufacturing capabilities
We welcomed Lindsay Hutchinson Hill, our representative in the South of France, to our state-of-the-art Southampton facility last week. It was a pleasure to showcase our advanced manufacturing capabilities, innovative technologies, and the skilled team that powers our operations. From cutting-edge automation systems to our commitment to quality and sustainability,…
Reducing fuel consumption
We’re proud to have played a role in the trailblazing Arksen 85 Project Pelagos project, which recorded an average fuel consumption of just 45 litres per hour at 10.8 knots when crossing the Atlantic in December 2025. Efficiency has been engineered into every detail of the Arksen 85 – from…
Why do the best custom sportfish builders choose CJR Propulsion?
Our flow-aligned packages are fitted on three of Marlin Magazine‘s pick of the ‘hottest new builds’ for 2026. Why do the best custom sportfish builders choose CJR Propulsion? 🔸 our experienced engineering team, whose knowledge and technical expertise pinpoints the optimum design for each individual vessel. We’ve now designed and manufactured…
NEW YEAR, NEW MAZAK
We’ve started the year with the arrival of a Mazak Integrex e-670 5-axis fully CNC machine, expanding our production capacity to meet growing customer demand for larger shafts and sterngear components. Designed for complex, heavy workpieces, the Integrex e-670 is a large-scale multi-tasking machine that enables complete machining in a…
Christmas opening hours
Our last working day before the festive break is Tuesday 23rd December 2025. The office and factory will re-open on Monday 5th January 2026. We’d like to wish all our customers, partners, and colleagues a very Merry Christmas and a Happy New Year – we look forward to working…