Driven Equipment

  • The Philadelphia Section of The Society of Naval Architects and Marine Engineers recently met at the Engineer's Club in Philadelphia, Pa., to hear a paper, entitled: "Torsional Vibration Considerations of a Twin-Diesel, Single Controllable Pitch Propeller Vessel." The author of the paper, Roland Yang, from DeLaval Engine and Compressor Division, Oakland, Calif., described the torsional vibration considerations in a highly technical and comprehensible way, and drew broad interest from the audience.

    The importance of torsional vibration considerations in any diesel-engine-driven equipment is well-known. In the case of two diesel engines driving a single controllable-pitch propeller through a combining speed reduction gear, considerations have to be made for operating modes like idle declutched, one engine engaged, both engines engaged, etc.

    The paper deals with the torsional considerations of the various modes of operation, and elaborates on the advantages from a torsional standpoint of a controllable-pitch propeller versus a fixed-pitch propeller. The paper also emphasizes the importance in the selection of a torsionally resilient coupling and the advantage of a nonlinear coupling over a linear coupling.

    The author stated that the twin dieselpowered, single controllable-pitch propeller via single combining reduction gear arrangement proved to be a very efficient, torsionally clear system. Coupled with the sophisticated control enabling fully automated engine revolutions and propeller-pitch matching, it gives a very attractive package from technical and operational standpoints.

    Discussers included Richard T. Woytowich of the American Bureau of Shipping and Bob McFadden of J.J. Henry Co., Inc. Fred W. Beltz Jr., DeLaval Turbine Inc., was acting as the coordinator of the meeting.

  • in the petroleum industry. However, in addition, the company's capabilities include manufacturing and building virtually any kind of engine- driven equipment for any industry. Products, largely built around the General Motors Detroit Diesel engine, include any kind of engine/ generator sets, oil

  • driv- ing motors and the driven machine. It said that the new Falk-Sime couplings permit matching the torque of the motor to the demands of the driven equipment, thus saving equipment from breakdowns and costly replacement. Other benefits claimed for the fluid coupling include the ability to balance

  • will likely be needed,” said Scherling Nielsen. “For example, we've asked all our factories to map how they can phase out fuel driven equipment and transition to electric equipment. Also, we will be redirecting existing funds towards more sustainable options, for example, our R&D function

  • features include extremely compact construction, favorable power-to-weight ratios, favorable bulk-to-power ratios, and direct flange mounting of driven equipment and driveline components. The various drive units are arrived at by combining identical prime movers with applicationoriented, thoroughly

  • , allowing for expansion. The four-point mounting also reduces the cost of foundations. The Power Boss can be shipped completely packaged with its driven equipment and accessories in a skid-mounted arrangement that can merely be set down in a level area for operation. Generators and turbochargers match

  • MR Feb-24#47 MARKETPLACE
Products & Services)
    February 2024 - Maritime Reporter and Engineering News page: 47

    MARKETPLACE Products & Services www.MaritimeEquipment.com Powering the fleet for 60 years! Manufactured by MER Equipment (206) 286-1817 www.merequipment.com Join the industry’s #1 Linkedin group http://bit.do/MaritimeNetwork Vessels, Barges & Real Estate

  • MR Feb-24#44 Tech Files
Latest Products & Technologies
MarineShaft)
    February 2024 - Maritime Reporter and Engineering News page: 44

    Tech Files Latest Products & Technologies MarineShaft Yanmar Hydrogen MarineShaft specializes in urgent re- Fuel Cell AIP pair/replacement of damaged rudder and Yanmar Power Technology Co., Ltd. propeller equipment along with many (Yanmar PT), a subsidiary of Yanmar on-site repair services. MarineShaft

  • MR Feb-24#36 . 
For example, a primary shaft-driven PTO rotates whenever the)
    February 2024 - Maritime Reporter and Engineering News page: 36

    the system is intended to operate, says Oskar Levander, VP Strategy & Business Development, Kongsberg Maritime. For example, a primary shaft-driven PTO rotates whenever the engine is running; a secondary one whenever the propeller is rotating. “A secondary PTO/PTI is used if you want to run the

  • MR Feb-24#35 PTI/PTO
30 years ago shaft generators with PTI capability)
    February 2024 - Maritime Reporter and Engineering News page: 35

    PTI/PTO 30 years ago shaft generators with PTI capability kept container ships sailing at top speed. That purpose gone, PTI/PTO is making a new comeback in more cargo shipping segments, this time for reducing emissions. By Wendy Laursen etro? tting a shaft generator is not an insigni? - the ef? ciency

  • MR Feb-24#29  and con-
stipend. It’s a cargo driven industry, and  We are)
    February 2024 - Maritime Reporter and Engineering News page: 29

    CARRIER (ARC) operate a US ? ag ship just for the MSP customer through that global network. As an example of “clarity and con- stipend. It’s a cargo driven industry, and We are certainly a unique business unit sistency,” Ebeling points ? rst to “the those cargoes help to offset the foreign within

  • MR Feb-24#27  the MSP 
stipend. It’s a cargo driven industry, and 
those cargoes)
    February 2024 - Maritime Reporter and Engineering News page: 27

    the key incentive for US ? ag operators in international trade. Nobody’s going to operate a US ? ag ship just for the MSP stipend. It’s a cargo driven industry, and those cargoes help to offset the foreign ? ag cost differential.” Eric P. Ebeling, President & CEO, ARC Image courtesy ARC particularly

  • MR Feb-24#26 COVER FEATURE
ARC  KEEPING 
THE CARGO ROLLING
With a ?)
    February 2024 - Maritime Reporter and Engineering News page: 26

    COVER FEATURE ARC KEEPING THE CARGO ROLLING With a ? eet of nine U.S.-? ag RoRo ships, American Roll-On Roll-Off Carrier Group (ARC), is the U.S.’ premier commercial RoRo carrier of U.S. government and military cargo. As the world becomes an increasingly contentious place, Eric P. Ebeling, President

  • MR Feb-24#25 MATTHEW HART, MANAGER & PLATFORM LEADER, MARINE & STATIONARY)
    February 2024 - Maritime Reporter and Engineering News page: 25

    MATTHEW HART, MANAGER & PLATFORM LEADER, MARINE & STATIONARY POWER SYSTEMS, WABTEC fuel blends up to 100% are in operation maintenance intervals to make sure that What’s the biggest challenge today, running on both biodiesel and re- our engines don’t have to be touched in your job? newable diesel blends.

  • MR Feb-24#22 R&D
MATT HART 
Matt Hart, Manager & Platform Leader)
    February 2024 - Maritime Reporter and Engineering News page: 22

    R&D MATT HART Matt Hart, Manager & Platform Leader, Marine & Stationary Power Systems, Wabtec, offers insights on how the megatrends of decarbonization, energy transition and autonomy all inspire Image courtesy Wabtec and impact the marine power solutions from Wabtec. By Greg Trauthwein Matt, to start

  • MR Feb-24#20 MARKETS
FPSO technology dominates the region’s FPS demand.)
    February 2024 - Maritime Reporter and Engineering News page: 20

    MARKETS FPSO technology dominates the region’s FPS demand. duction and storage of low and zero emission energy carriers, In all, 18 countries in West and East Africa are expected such as methanol and ammonia. One exciting development to receive new FPSOs, FLNGs and FPUs between 2024 and leverages

  • MR Feb-24#18 MARKETS
Scan the QR Code to 
Download the Intelatus)
    February 2024 - Maritime Reporter and Engineering News page: 18

    MARKETS Scan the QR Code to Download the Intelatus Floating Production White Paper. Floating Production – A growing segment in transition © AdobeStock_Dolores Harvey The specialized deepwater oil & gas and ? oating offshore wind segments will share many of the same stakeholders and supply chains

  • MR Feb-24#11 down to a smaller size, and especially a smaller width)
    February 2024 - Maritime Reporter and Engineering News page: 11

    down to a smaller size, and especially a smaller width relieves waterfront infrastructure footprints and costs. that issue. One may argue that one human with a bigger truck These 5-foot wide units will zip through the city much faster can deliver more cargo than one human with a smaller truck, and

  • MR Feb-24#10 Back to the Drawing Board 
Let’s Set Some Standards for)
    February 2024 - Maritime Reporter and Engineering News page: 10

    Back to the Drawing Board Let’s Set Some Standards for Micro Cargo By Rik van Hemmen s zero carbon cargo efforts are progressing, it is becoming more apparent that the lowest hanging fruit is in the last few miles. This is where a large amount of carbon is expended in delivering small A parcels to

  • MR Feb-24#6 Editorial
MARITIME
REPORTER
AND
ENGINEERING NEWS
M A R I N)
    February 2024 - Maritime Reporter and Engineering News page: 6

    Editorial MARITIME REPORTER AND ENGINEERING NEWS M A R I N E L I N K . C O M s the world increasingly HQ 118 E. 25th St., 2nd Floor becomes a geopolitical New York, NY 10010 USA T +1.212.477.6700 quagmire, with Russia’s Awar in the Ukraine soon CEO John C. O’Malley entering year three and disparate

  • MR Feb-24#2 NO.2 / VOL. 86 / FEBRUARY 2024
26
Photo on this page and)
    February 2024 - Maritime Reporter and Engineering News page: 2

    NO.2 / VOL. 86 / FEBRUARY 2024 26 Photo on this page and on the Cover: Courtesy ARC 22 Marine Power: The Future is Now Departments Matt Hart, Wabtec Corporation, offers insights on how the megatrends of decar- bonization, energy transition and autonomy drive engine innovations. 4 Authors & Contributors By

  • MN Feb-24#42 People &
Companies
Rella Hired as  Wiltshire Leading Port)
    February 2024 - Marine News page: 42

    People & Companies Rella Hired as Wiltshire Leading Port Everglades St. Johns President Glenn A. Wiltshire has taken over as Joe Rella has been appointed as presi- acting director of Broward County’s Port Rella Barton dent of St. Johns Ship Building. Everglades Department. Barton Named Vineyard CEO New

  • MN Feb-24#38  Energy and two electrically driven Schottel RudderPropel-
mance)
    February 2024 - Marine News page: 38

    will operate 6.2 MWh Orca battery energy storage system from Corvus with zero emissions while providing the complete perfor- Energy and two electrically driven Schottel RudderPropel- mance capabilities of a traditional tug, Crowley said. lers type SRP 430 LE (2,050 kW each) featuring propel- “The eWolf will

  • MN Feb-24#37 Feature
Marine Simulation
On the lifeboat side, both)
    February 2024 - Marine News page: 37

    Feature Marine Simulation On the lifeboat side, both initial and re- • On February 9, 2023, the IMO sub-committee on Human Element, fresher training can be conducted using simu- Training and Watchkeeping (HTW) rati? ed revisions to the model course lators only. On the rescue boat side, simula- 1.23 on

  • MN Feb-24#23 Passenger Vessel Safety
occur on a sightseeing vessel or)
    February 2024 - Marine News page: 23

    Passenger Vessel Safety occur on a sightseeing vessel or an Ohio River dinner cruise? This contrast between speci? c – sometimes very speci? c – and general comes to mind when considering the numerous safety advisories pertaining to recent amphibious DUKW boat tragedies or the 2019 Conception dive boat

  • MN Feb-24#20  “commercial conditions driven by in?  ation, interest)
    February 2024 - Marine News page: 20

    of US Offshore Wind? By Jeff R. Vogel, Shareholder, Cozen O’Connor’s Transportation & Trade Group There is no denying that “commercial conditions driven by in? ation, interest that 2023 was a challenging year for the U.S. offshore wind rates and supply chain disruptions” ultimately “prevented market

  • MN Feb-24#19 ment, work processes and technology progress, and it can)
    February 2024 - Marine News page: 19

    ment, work processes and technology progress, and it can if you start the new year out by listening to your workforce be hard to keep up with the latest changes. In 2024, keep and implementing necessary changes to work practices an eye out for updates to existing standards and implement based on their

  • MN Feb-24#11 Insights
All images: MITAGS
she explained. “We can have)
    February 2024 - Marine News page: 11

    Insights All images: MITAGS she explained. “We can have over 150 years of sea service sitting at the lunch table at any point in time, and it really creates an interesting and dynamic environment,” Gianel- loni said, referring to the instructional staff. “We are not in any way a certi? cate farm. The

  • MT Jan-24#4th Cover  proven and reliable buoyancy-driven unmanned long-
endurance)
    January 2024 - Marine Technology Reporter page: 4th Cover

    The right tool for remote sensing the Slocum G3 Glider Slocum Gliders are the world’s most proven and reliable buoyancy-driven unmanned long- endurance remote sensing vehicle. Boasting the broadest range of available sensors, operations in any sea state, and the endurance for deployments of up to a year

  • MT Jan-24#58 SHOW PREVIEW OCEANOLOGY INTERNATIONAL 2024
All images)
    January 2024 - Marine Technology Reporter page: 58

    SHOW PREVIEW OCEANOLOGY INTERNATIONAL 2024 All images courtesy Oceanology International Oi 2024 ceanology International 2024 (Oi24), arguably content across ? ve different conference locations. World-class the world’s biggest and best marine science, scientists, thought leaders and innovators in the