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…
NEW YEAR, NEW MAZAK
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…
CJR enhancing patrol boat performance
We’re proud to work with high-performance patrol boat manufacturers Metal Shark Boats. Our ultra-efficient fully CNC-machined Class S propellers were specified to deliver optimum speed, range and comfort on this 55 Defiant, built for Massachusetts State Police. Get in touch to find out more about options for workboat and patrol…
Inspired by Nature: New Sailfish Propeller Improves Vessel Efficiency by 13%*
CJR Propulsion has launched a brand new propeller design, which can help increase efficiency by up to 13%* to make vessels go faster, go further, and reduce fuel burn. The unique design of the CJR Sailfish propeller is inspired by the dorsal fin of the fastest fish in the ocean…
See you at METSTRADE
We’ll be at Metstrade on stand 08.107 in the Superyacht Hall. If you’d like to find out more about the efficiency gains we can achieve with our fully CNC-machined Class S propellers and flow-aligned rudders, please get in touch to arrange a meeting or come to our stand. – design…
New deal to supply sterngear for 16 SAR vessels
We’ve signed a deal with ARES Shipyard to supply our complete sterngear packages for 16 Search and Rescue (SAR) vessels, which are about to start build. Last week, our Technical Sales Director Alex Stevens and Okan Kuzu, from our Turkish distributor partners Navantec, were in Antalya with the Ares Shipyard…
Engineering team expands
CJR Propulsion has expanded its engineering team as the order book continues to grow and as the company focuses on developing new innovations to support customers to achieve optimum efficiency from their sterngear. Calum McPherson BEng has joined the team as Design Engineer. Calum holds a Mechanical Engineering degree from…
Hull scan to design bespoke flow-aligned rudders for optimum performance
Earlier this week we carried out a 3D scan of the hull of a Horizon 105 in North Carolina. Working together with our partners at Wildcat Propellers, we gathered the data in a process that takes only a few hours. Our experienced engineering team in Southampton, UK, are now running…
30,000 hours use with no cavitation issues
How do our CFD-designed, fully CNC-machined propellers save you money and reduce time out of the water? By designing them to minimise cavitation, our propellers have an extended working life (and extended replacement cycle), as testified by this recent positive feedback we received from Brian Nielsen, Technical Superintendent at DanPilot:…
Designed for efficiency and performance
Sea trial data from the Croswait / Bad Company 50, which is fitted with our fully CNC-machined Class S propellers, flow-aligned rudders, and flow-aligned struts for optimum efficiency and performance: LOA 50 Beam 16 Dry Weight 32,600 pounds- fighting weight 40k Cruise 30 at 1925RPM. 29 Gal a side Cruise…