Photo courtesy Global Ocean Design Figure 7 A 35Ah AGM lead-acid battery is tested using the West Mountain Radio CBA to show the effect of simply ? lling the battery voids with mineral oil as a compensating ? uid. The CBA is programmed to cut-off at a voltage of 10.50v. The top line (red) shows the
LANDER LAB #10 Of special interest for marine applications, LiPo batteries are Shipping any kind of lithium battery can be a challenge, and offered in a “pouch” design, with a soft, ? at body. The pouch IATA regs vary with the batteries inside or outside an instru- is vacuum-sealed, with all voids ?
of their missions Watch the interview on the Slocum Sentinel Glider with Shea Quinn will continue to grow – and the Sentinel is big enough to and Clayton Jones from Oceanology International 2024 in London. take on the challenge. Welcome to the World of ROS Positioners The Most Complete Line of Reliable
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
Simulation “We enable workers to develop critical worksite-speci? c competencies by engaging them in challenging simulation training programs,” said Clayton Burry, vice president of sales at Virtual Marine. “We’ve been involved heavily in the research associated with simulation as well, so we’ve been
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Products 2 1 3 5 In-Mar Solutions VETUS Maxwell CMB.TECH Honda Marine 4 TECO 2030 concept, leading dimensions and com- 1. HPW Series Waterlocks 3. Dual Fuel Hydrogen Genset CMB.TECH and DBR have developed ponent design and rapid dynamic load from VETUS The heavy-duty HPW series of water-
TECH FEATURE: GEARS Image courtesy Reintjes Karl Senner Chris Senner Reintjes Hybrid System hybrids, fully electric vessels, energy storage systems, fuel cells, alternative fuels, and everything in between. Key areas of increased penetration in the market include de- livering Reintjes solutions to the
COMPANY IN FOCUS: W&O Company in Focus: In June 2023, Michael Hume rejoined W&O as President. W&O Image courtesy W&O or more than 48 years, W&O has focused exclusively Primary Product/Service on serving the maritime industry with products and W&O focuses solely on the maritime industry with prod- servi
Tech Files Tools L.S. Starrett Saint-Gobain Abrasives Weiler Tiger 2.0 Cutting, Grinding TENNAX-PRO Saw Blades "Norton for Aluminum" Weiler Abrasives debuts the Tiger 2.0 L.S. Starrett Co. introduced TEN- Saint-Gobain Abrasives introduced zirconia alumina and aluminum oxide NAX-PRO Bi-Metal Band Saw
Feature Comms called “The Straightaway” (essentially a compression gar- ment for men) which sold in stores in New York and New England, and via direct mail. “G”-forces and the partial pressure suit With America’s involvement in World War II seeming inevitable, David Clark, working through business associ- a
Q&A social justice. We’re seeing a lot of DEI very quickly to meet decarbonization aren’t just engines and alternative fu- expectations enter into contracts with goals. New propulsion technologies els. They’re also ways of making the our clients. At EBDG, we are commit- ted to bringing justice, diversity
SAFETY @ SEA: ENCLOSED SPACES “You’re at the bottom of a 100-step ladder. It can feel claustrophobic and fearful when inside 30,000 cubic meters of a VLCC, ballast tank, or forepeak tank. What reassures you is your trained crew working as a unit with everyone looking out for each other.” Captain
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and egg character. generate hydrogen from water during peak production hours Take ? re. When humanity invented ? re, almost certainly a and the ability to generate power from stored hydrogen during conversation as follows ensued: peak demand hours. And this is not just on the electric grid, it “Look I
4. Electric energy can be sustainably provided and natural gas cannot 5. Since there are better technical and environmental solutions, there is absolutely no reason to continue to use gas stoves. Some of my readers may go: What? No! Electric cooktops suck! Please do yourself a favor and get the
a housing exceeds the exterior pressure by some preset value, ing the bottles be ? lled at the operations site; 3) weight and the PRV opens to relieve the high interior pressure. But this handling: high-pressure bottles are heavy and cumbersome to also means there is now a direct opening in the pressure
LANDER LAB #7 SUBSEA HOUSINGS With purge systems such as the Global Ocean Design Deck the plastic valve from exposure to any ocean pressure. Purge Box (DPB-107), a vacuum leak test may be performed after the ? rst draw down to ½ atmosphere. The vacuum gauge One example of an open port purge port is
Figure 1 No surprise that marine air is moisture laden making condensation inside an undersea housing a real problem. on diffusion to bring water vapor into contact with the desic- terior. cant, which can take a few hours. If you have the time, this The vacuum pump removes half the air for a second time.
Arctic Rays Debuts New Products Arctic Rays released four new products in its suite of subsea technologies. Now available are: • YellowFin, the machine vision payload for turnkey sea? oor imaging, a fully integrated, turnkey imaging pay- load for small AUVs. • ViperFish: A dual-channel, compact torch
MARINE POWER & FUELS Bjarne Foldager (left), SVP, head of two stroke business at MAN ES hosted Maritime Reporter in Copenhagen for a look behind the scenes at its ammonia engine test bed & facilities. MAN ES will start testing on its ammonia engine in Copenhagen in Q1 2023. engine is designed on the
designed to protect every cell in your LiPo pack by keeping it inside safe operating regions. In addition to a charge/dis- charge balancing function, a BMS features over-charge pro- tection (high voltage cutout), over-discharged protection (low voltage cutout), short circuit protection (disconnect the
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New Desalination Pump Aussie Pumps introduced a new desali- nation pump, capable of both high pres- sure and high ? ows. Manufactured by Ber- tolini in Northern Italy, it features heavy duty AISI 316 stainless steel construction. This material makes it suitable for Re- verse Osmosis, desalination