MOMENTUM NEWS FROM CJR PROPULSION

ISSUE 3 Spring 2012 www.cjrprop.com

Preferred TrialDAS Going green CJR launches its latest innovation with the CJR lays out plan to help builders achieve supplier TrialDAS trials data acquisition system RINA Green Plus Notation CJR Newsletter www.cjrprop.com ISSUE 3 Spring 2012

Introduction CJR approved by the big six! Approved by all six of the marine industry’s biggest classification societies, CJR can now pitch for the very best projects around the world

Welcome to the 2012 Seawork issue factor when purchasing a we hope to see you on the stand for CJR is now approved by all six and rapid process. We are now one of the CJR newsletter, Momentum. propulsion package. a chat about CJR’s comprehensive of the marine industry’s biggest of the only propeller and sterngear design and manufacturing solutions classification societies and, in manufacturers which is able to boast Despite the turbulent trading In this issue, we’re talking about or simply to discuss how we can addition, is recognised as the only all six and this enables us to pitch conditions, 2011 proved to be another projects which have benefitted from make a positive difference to your UK manufacturer certified to build for the very best projects around buoyant year for CJR Propulsion and CJR and VEEM’s advanced design next project. P-brackets to Lloyd’s Register has always been to exceed the highest the world.” our Australian partners, VEEM. We and engineering prowess and how standards. The company’s recent industry standards wherever possible, benefitted from sustained growth performance and efficiency has been Many thanks approval by ABS can now be not least as it’s in the interest of both Mark Russell added: “It has taken within the commercial/work boat improved through a more scientific added to its existing awards from CJR and our customers for us to a real team effort to get to this market – where yards and specifiers approach to propeller and sterngear Germanischer Lloyd, DNV, Lloyd’s do so. Being recognised in this way point and meet all the individual have increasingly chosen CJR based design and production. We also Register, BV and RINA and makes means we are also able to quote for requirements for each society. Each on our performance credentials talk about CJR being recognised CJR one of the only global propeller projects many of our competitors department within CJR had its own and advanced CFD program, which for its commitment to safety and manufacturers to be recognised by cannot legally fulfil and that puts us role to play and I am thrilled that we continues to feature in the press on a compliance and our appointment as all six bodies. at an obvious commercial advantage. have achieved this level of recognition regular basis. In addition, significant UK distributor for CIP Marine. in such a short space of time. For gains have also been made within CJR’s head of design, Marek “Getting to the stage where we our customers, it demonstrates that the superyacht and leisure marine With that in mind, we invite you to Mark Russell Skrzynski, commented on the news: are approved by all the major they are working with an organisation sectors, as owners begin to consider take a look at what we’ve been up Managing Director “The classification process is an area classification societies has actually that understands the importance of fuel efficiency as a more important to and, if you attending the show, in which we continue to invest and required very few changes to our regulation and compliance and one reflects our continued commitment to existing systems and procedures, which is truly committed to quality safety and compliance. Our objective which makes it a fairly trouble free and exacting standards.” “We have been working with some of the best superyacht builders in the business...”

2 3 CJR Newsletter www.cjrprop.com ISSUE 3 Spring 2012

Case study “Any company opting for Green Plus will not only get global recognition but also help distinguish itself from the competition.”

has identified where it can assist its CJR has developed a procedure of Boat: Sunseeker 73 Manhattan clients in reaching the highest level, flow analyses, combining CFD with with MAN 1550hp Green Plus Yacht Platinum. vortex lattice lifting surface methods, which allows analysis of the hull Since the introduction of 70 Manhattan CJR’s head of design, Marek behaviour in either a full planing or in 2007, CJR has analysed and Skrzynski, shares his thoughts: displacement conditions. developed sterngear and propellers “After researching the criteria RINA across the range of engine options. uses to assess a builder or vessel, “Every boat aspiring to achieve the The result of that development and understanding the products Green Plus notation should be fully was implemented to the new 73 and services we supply, it was analysed to enable optimisation Manhattan, based on slightly modified clear CJR could make a significant of her appendage and propeller 70 Manhattan hull. The boat was contribution to achieving RINA Green tunnel shape design. At CJR we use equipped with low drag P-brackets, Plus. This is largely accomplished by our own advanced computational highly efficient propellers, and rudders supplying products and services of fluid dynamics department but aligned with the flow of propeller Going green the highest quality and fulfilling RINA there are other methods which can race. Significant improvements requirements expressed in the RINA produce similar, if less detailed, were recorded over the initial speed rules for pleasure and commercial results. Without a comprehensive estimation, which was 33.5kn. In reality, yachts.” Skrzynski continued: knowledge of the propeller wake, the boat achieved 36.2kn on a recent CJR lays out plan to help builders achieve RINA Green Plus Notation “Looking at a propulsion system, the you simply can’t design the most trial. Additionally separate trials were fuel consumption and emissions can efficient propeller. In addition, with carried out to record the impact of new be minimised in two ways. Firstly, CFD you are able to analysis the flow aligned rudders. The new rudders by implementing highly efficient rudders. With their section aligned added an additional half knot to the top CJR Propulsion has today released The voluntary notation allows what has become a increasingly propellers; and secondly, by applying with the flow, you can further reduce speed and a gain of up to two knots was details of how it can assist builders to choose whether they competitive market. low drag passive parts of propulsion drag and improve efficiency. This is observed in the cruising speed range. organisations looking to achieve wish to construct their yacht systems and appendages of the just a few of the areas where our RINA’s notation on environmental according to the notation. However, This industry wide transition to hull, such as shaft brackets, shaft design services can help and we are The results of trials such as this sustainability. First launched back in the advantages of doing so make it becoming more environmentally fairings, propeller tunnels obviously more than happy to provide clearly demonstrate the potential for 2008, the ‘Green Plus’ notation has difficult to imagine why any builder aware has led CJR to demonstrate and rudders.” the finished products as well, making significant performance and efficiency recently started to gain traction and wouldn’t place a greater emphasis where its propulsion systems and it even easier for a builder to choose improvements, which could easily and several builders, including key CJR on environmental responsibility with design services can be of benefit to To achieve these objectives, CJR CJR over the competition,” cost effectively be implemented other customers Princess and Sunseeker, this in mind. Any company opting for an organisation looking to achieve requires an understanding of the Skrzynski concluded. almost any other unique, semi or have both now been awarded the Green Plus will not only get global this standard. Alternatively, for characteristics of the flow around the production vessel. Green Plus and Green Plus Yacht recognition but also help distinguish those which have already achieved hull, including the working propeller. Gold awards respectively. itself from the competition in a lower level of the notation, CJR In order to obtain that information

4 5 CJR Newsletter www.cjrprop.com ISSUE 3 Spring 2012 Preferred supplier: CJR continues to grow relationship with key builders

Since the introduction of its bespoke NahodhaII installation, which was designed computational fluid dynamics to achieve maximum thrust at full (CFD) department in 2010, CJR has Operating in the busy and testing engine speed and full ahead motion, witnessed a 40 per cent increase in waters around the Port of Mombasa, also benefitted from a complete CFD commercial projects year-on-year. Nahodha II, which is based on an analysis including the shafts, stern What’s more, the Southampton- original hull from Camarc Design, tubes, P-brackets and rudders – to based manufacturer has repeatedly came with a challenging brief that provide optimum performance been chosen by the most respected focused on quality, speed and ease of and longevity. builders in the industry, as manoeuvrability. Responsible for the Marek Skrzynski, CJR’s head safe transportation of pilots to and Discussing the project, Ian Strugnell, designer explains. from , as well as the escorting of director for Mustang Marine cargo and significant vessels into the commented: “We managed to Following similarly successful port, the multi-million pound build achieve a maximum speed higher projects over the past 24 months, needed to be capable of operating in than the design target of 22 knots 2012 has already seen CJR deliver monsoon conditions; handling waves – with the extra performance being bespoke propulsion packages to up to five metre and wind speeds of delivered through a combination some of the commercial’s sector’s up to 40 knots. The fast of a well-developed hull form from most advanced and highest-quality also required the ability to assist in Camarc, attention to hull fairness builders, including Holyhead, search and rescue situations, during fabrication and the fully Seaward Marine, Goodchild should the need arise. optimised stern gear Marine and Pembrokeshire based from CJR.” Mustang Marine. Due to its demanding operational requirements, which include being Throughout the process, So far this year, CJR has produced on the water up to 3000 hours per representatives for the Kenya Ports full stern gear systems for three new annum, Nahodha II meets Lloyds Authority repeatedly remarked Mustang projects. This included a Register ‘Special Service Craft’ on how the vessel’s performance 22 metre pilot boat named Nahodha standards and is powered by twin exceeded their expectations. They II – which was commissioned by Caterpillar C32 ACERT engines, with were also particularly impressed the Kenya Ports Authority (KPA) – an output of 970bkW at 2100 rpm with the stability of the boat, and two 18 metre, Incat Crowther each, and displacing over 65 tons. especially when coming alongside designed, all aluminium With engines of this magnitude, CJR ships in rough water. survey . designed a set of five blade, bronze fixed pitched propellers, connecting to Twin Disc MGX6620SC ‘QuickShift’ gearboxes. The complete stern gear

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Survey Vessels – Mersey Guardian working deck, with superstructure Goodchild Marine - & Humber Guardian forward and an elevated wheelhouse. Estuary Elan and Estuary Elite This arrangement provides more As mentioned, CJR has also than sufficient space for wet and dry When Goodchild Marine Services delivered full stern gear packages laboratories for scientific work and Ltd, of Norfolk, England, won a for two new Mustang manufactured a galley and mess area, as well as £1.7m contract with Estuary Services aluminium catamarans, utilising hull room to store a five metre RIB Ltd to build two ORC 171.P 17m pilot forms developed by Incat Crowther. if required. launches, they turned to CJR for Designed for efficiency and minimal an advanced propulsion and stern wake and wash, the sea kindly craft The catamarans are powered by gear system – to provide the fast represent the first and second of two Volvo D9-MH diesel engines, and efficient running they required, an eventual three coastal survey rated 261bkW at 2200rpm, close- across the speed envelope. vessels commissioned by Briggs coupled to Twin Disc MGX-5075 Marine Ltd, for operation as part of integral Vee-drive gearboxes driving To be named Estuary Elan and its marine services contract with the CFD optimised CJR propellers and Estuary Elite, these modern craft Environment Agency. related stern gear, as Mark Russell are based on a well-proven hull CJR’s managing director elaborates: design by French naval architects These new catamarans, featuring “These survey boats are another Pantocarene. Already used by over detailed production design and example of our precision design 50 boats, built in a wide range of bespoke elements provided in-house and manufacturing capabilities different configurations, these new- by Mustang Marine, are being built being fully utilised for efficiency and builds are the first of this design to to comply with the MCA Small Vessel longevity rather than increase top be built by a British builder and to be Code, Category 2, and are welded speed. Our CFD optimisation process destined for UK operation. in aluminium, in accordance with is able to significantly reduce the the Lloyds Register ‘Special Service potential for cavitation, by enabling The hull design has a double Craft’ Rules and Regulations. a greater technical understanding chine with a forward ‘beak’ that of the input flow regime, which also gives exceptional performance in in operation, the new craft offer five bladed, bronze CJR propellers “Crew comfort and fuel efficiency With their primary role as coastal helps minimise vibration – both head seas, reducing slamming a greater range and will be through Twin Disc QuickShift has been a priority throughout the survey vessels in mind, each was characteristics which are vital for and vertical accelerations. Set to significantly faster in order to handle gearboxes. This combination will design of the ORC series and in-line designed to include a large main aft projects such as this.” replace existing vessels currently the extended pilotage area, which give a speed of 26 knots fully loaded with this modern innovative design now includes the Thanet Offshore with 27.6kn achieved at trials. The we wanted to install propellers Wind Farm. hull shape, combined with the CFD that complement this priority,” optimised propellers and stern gear, comments Alan Goodchild, Director, Both vessels feature identical is designed to be very economical Goodchild Marine. “CJR Propulsion offers a very efficient range of propellers dimensions, with a 17.58m LOA, a at cruising speeds – an essential 5.39m beam and 1.44m draft. Each element of the original scoping so were immediately able to satisfy our brief. The company craft will displace 24.5 tons and document, due to an expectation that have the capacity to carry over 2,000 the vessel will be in operation up to also has a hands-on approach to customer support which litres of fuel to supply the twin 600 3000 hours per year. is important to both ourselves and our customer.” hp Scania engines, which will drive

8 9 CJR Newsletter www.cjrprop.com ISSUE 3 Spring 2012 Introducing the new compact TrialDAS CJR launches its latest innovation with the TrialDAS (Trial Data Acquisition System)

Gathering accurate and detailed trial major autopilot system manufacturer “The TrialDAS is another example information is key to establishing the to develop the TrialDAS– a data of CJR doing more to add value for performance of the vessel and the acquisition system specifically tailored our business partners and global propulsion system. In order to obtain to gathering useful and accurate customer base. We are committed required performance data during statistics during sea trials. The new to ongoing R&D and this is a great sea trials, a portable data acquisition TrialDAS features a comprehensive example of what is possible when you system is required, one which allows onboard sensor suite (3-axis collaborate with specialists in other data to be collected even in rough sea accelerometers, 3-axis gyroscopes, industries,” commented Mark Russell, conditions, when reading on-board 3-axis magnetometers) and uses CJR’s managing director. instruments proved to be difficult complex algorithms to combine task. To solve the problem, CJR has the collated information to provide The TrialDAS includes a real time taken a novel approach. Instead of accurate trim, roll and heading monitoring program, and automated using an existing system with limited information. It has a GPS receiver reporting so that reports can be functionality, CJR has adapted the with an active antenna to provide generated at the touch of a button same technology used to gather flight position, ground speed and heading, and before the yacht is even moored data from unmanned air vehicles and data is collected 10 times per up back in the harbour. Trials relating (UAVs). The control of UAVs requires second. The acquisition system also to specific RPM ranges or particular real-time accurate information about allows on-board vibration levels to be conditions are also possible with the aircraft attitude and GPS position measured at a frequency of 1kHz, with the TrialDAS’ easy to use start-stop and is, in many ways, similar to the data acquired 50 times a second. The functionality, meaning multiple reports information required during sea trials. system is expandable, and adaptable, can be generated from a single trial. with plans for a shaft RPM sensor, Over the past six months, CJR has rudder angle and shaft torque sensors been working in collaboration with a well underway.

“The TrialDAS is another example of CJR doing more to add value for our business partners and global customer base.”

10 11 CJR Newsletter www.cjrprop.com CIP finds trusted partner in CJR CJR Propulsion appointed distributor for Industrial Products (CIP)

CJR Propulsion today announced lubricants. This highly specialised, The company’s products also provide its appointment as UK and Ireland extremely reliable, self-lubricated excellent dimensional stability in all distributor for Columbia Industrial composite material is designed environments, are easy to machine and Products (CIP), in an agreement to eliminate complex lubrication can be press or freeze fitted, with the that covers the distribution of all CIP systems; which can lead to undesired ability to machine in place, while still MarineTM self-lubricating composite maintenance and increased dry optimising the friction, wear and rudder and stern tube bearings. docking time. bearing functions.

CIP MarineTM has a range of advanced Mark Russell, CJR’s managing director, Working with CJR, CIP’s custom range laminated composite products which commented on the appointment: will be designed to each customer’s are environmentally sustainable and “CIP has a reputation for producing individual specifications for both manufactured by impregnating textiles products which utilise the very latest below and above the water line, and with thermo setting resins and solid technological developments and are of are suitable for all applications from the highest quality – reflecting CJR’s commercial vessels to superyachts. CJR own brand values and ethos and making will offer an extensive range of ID sizes the partnership a perfect fit. We have up to 60” (1524mm) inner diameter and been working with CIP on many of our provide the options for raw tubes/ sheets superyacht projects over the past twelve or finished parts. months and have found them to be unrivalled in terms of customer service, “We found CJR to be the upmost durability, functionality and design. We reputable company to partner with in now look forward to collaborating to the UK for the marine industry. CJR has further develop the UK market for these the expertise and quality standards that exciting products.” we are proud to have representing CIP products and specifically CIP MarineTM. With its self-lubricated rudder, stern We believe that combining the CIP and tube and thruster bearings, CIP CJR brand names is going to give both MarineTM offers the lowest friction companies the long term competitive coefficients, as well as minimal edge necessary to dominate the industry. coefficient of thermal expansion, with We are excited to about this new negligible moisture absorption. The relationship and the further development whole range is naturally corrosion of CIP MarineTM to the UK,” Stephen resistant and lightweight, while having Phillips, president of CIP, concluded. high load and high impact capabilities.

CJR Propulsion Ltd, 70-72 Quayside Road, Bitterne Manor, Southampton S018 1AD United Kingdom Tel: +44 (0)23 8022 2032 Fax: +44 (0)23 8021 1832 [email protected] www.cjrprop.com