steel shafts

- Eastern Marine Delivers Towboat —Ninth of A 10-Vessel Contract Maritime Reporter, Dec 1984 #8
Eastern Marine, Inc. of Panama City, Fla., recently delivered the towboat Eagle, the ninth vessel of a 10-vessel contract that was signed with Central Gulf Lines, Inc. of New Orleans, La. The vessels are operated by Compass Marine Gulf, Inc., also of New Orleans, and have a scheduled run between New Orleans and Port St. Joe, Fla., pushing a tow consisting of two barges loaded with 6,000 tons of coal.

The towboat measures 70 by 26 by 9 feet and is powered by two Detroit Diesel 12V-149N engines.

The reduction gears are Twin Disc MG-540 at a 6:1 ratio. Kahlenberg 72/53 four-bladed stainless-steel propellers are mounted on 7-inch forged steel shafts. Shipboard power is provided by two 50-kw generators driven by two Detroit Diesel 4-71N engines.

Other equipment includes Fernstrum grid coolers, EMI 16-point alarm system, Kobelt engine controls, Patterson M51-5-100 deck winches, Carlisle & Finch searchlights, Perko Navigation lights, and Eacco doors.

Eastern Marine is a growing company that has earned a reputation in recent years as a builder of high quality vessels with exceptionally good workmanship. The company opened their Panama City shipyard in 1978. This 13-acre facility has over 1,300 feet of water frontage and is used primarily to construct medium to small sized boats. Fifteen miles east of the Panama City Yard, the company opened another shipyard in Allanton, in 1981. This facility is substantially larger and is used to construct larger vessels. It com- prises 135 acres with more than 5,200 feet of water frontage.

In late 1983, Eastern Marine acquired a 10-acre ship repair facility in Panama City. Equipped with two marine railways, the yard is used for defense and commercial repair and haulouts. The new repair yard is part of Eastern Marine's effort to diversify their capabilities in the shipbuilding and ship repair industry.

For complete free literature on Eastern Marine's facilities and capabilities, Circle 31 on Reader Service Card
- Worthington Offers New Cast Iron Pump Line — Literature Available Maritime Reporter, Apr 1984 #71
materials of construction include a high-grade cast iron casting with precision bronze vacuum die-cast impellers of enclosed design. High-strength steel shafts will be protected at the mechanical seal area by renewable bronze or 416 SS sleeves. An all-cast-iron fitted pump is also available. For free
- Halter Delivers Two New Crewboats To Command Marine, Inc. Maritime Reporter, Jan 4, 1982 #101
5 feet, 6 inches. Power is provided by three Detroit Diesel 12V71TI diesel engines developing 510 hp each at 2,100 rpm. They turn 3-inch stainless steel shafts through Twin Disc M6514 reduction gears of 2:1 ratio. The two engine control stations on each boat are equipped with Kobelt 2544 and 2545 air
- Kings Craft Delivers Matmar Drill III, Third Of Four Crewboats From Yard Maritime Reporter, Dec 1981 #87
twin Detroit Diesel 6-71 GM engines with MG-507 Twin Disc 2:1 ratio hydraulic gears. Propellers are 28-inch-diameter with 2-inch stainless-steel shafts. Two independent tanks provide the vessels with over 300 gallons of fuel. The engines are keel cooled with Fernstrum #D848 keel coolers and
- RYSCO Delivers First Of Two Cementing Vessels To Halliburton Maritime Reporter, Oct 1980 #42
diesel engines with continuous output of 415 bhp each, Twin Disc MG521, 4:1 reverse/reduction gears, turning two fourblade propellers on stainless-steel shafts. The specialized pumping machinery is located on the main deck forward and in a machinery space below the main deck. The vessel is ABS classed
- Halter Completes Supply Boat Contract With Command Marine Maritime Reporter, Sep 1980 #48
fuel consumption rate of less than 90 gallons per hour, according to the operators. The stainless-steel, 80- inch-diameter wheels turn on forged steel shafts through Falk gears of 3:1 ratio. The vessel has capacities for 80,000 gallons of fuel oil, 1,000 gallons of lube oil, and 10,000 gallons of
- Dravo SteelShip Delivers 56-Foot M / V Becky Sue To Taylor Towing For Switching/Mooring Service Maritime Reporter, Jan 1978 #37
, 30 kw. The main engines and generators were supplied by Wilkerson Diesel of North Little Rock, Ark. The running gear consists of 5-inch diameter, steel shafts with nickel chrome boron sleeves turning in Johnson Demountable stern tube and strut bearings with Kahlenberg stainless-steel, heavyduty, four-blade
- Bayou Black Shipyard Delivers Crewboat And Pusher To Sundance Maritime Reporter, Jun 1981 #134
Bayou Black Shipyard of Gibson, La., recently delivered the pushboat Bengal Sundance and the crewboat Sundance 7 to Sundance Marine of Houston. The steel hull of the Bengal Sundance has a length of 60 feet, beam of 25 feet, and depth midship of 9 feet. The all-aluminum Sundance 7 is 42 feet long
- A Review OUTSTANDING U.S. SHALLOW DRAFT VESSELS OF 1980 Maritime Reporter, Jan 1981 #14
output of 415 bhp at 1,225 rpm. The power train includes Twin Disc MG521, 4:1 reverse/reduction gears, two four-blade propellers, and stainless steel shafts. The specialized pumping machinery is located on the main deck forward and in a machinery space below deck. The vessel is classed by the American
- Cummins-Powered 110-Foot 'Comet7 Delivered To Shippen Marine Maritime Reporter, May 15, 1981 #66
is a Twin Disc MG 514C marine gear with a 2:1 reduction ratio. Three-bladed 34 by 32-inch Federal propellers are mounted on 3-inch stainless-steel shafts. Two 40-kw generator sets powered by GM 3-71 diesel engines provide onboard electricity. Navigation equipment includes Micrologic 320L Loran
- Dravo SteelShip Delivers The M / V P.N. Ellis For Bunkering Service On the Lower Mississippi Maritime Reporter, Aug 15, 1978 #37
sets. The main engines and generators were supplied by Kennedy Engine Company of Biloxi, Miss. The running gear consists of 5-inch-diameter steel shafts, with nickel chrome boron sleeves turning in Johnson Demountable stern tube and strut bearings with Kahlenberg stainless- steel, heavy-duty
- Dravo SteelShip Delivers Towboat With Elevating Pilothouse To International Paper Maritime Reporter, Apr 15, 1977 #22
and aftercooled engines, equipped with Caterpillar 7261 gears turning Kahlenberg 72-inch, four-blade, stainless-steel propellers. The 7- inch steel shafts have chrome nickel boron sleeves at wear points turning in Johnson Stave Bearings and Johnson Air Seal Stuffing Boxes. The engine coolers are

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of outgassing and possible explosion. The metallic in a metal case, including common alkaline cells, cannot be lithium, contained inside a thin stainless-steel cylinder, is ex- pressure compensated. tremely reactive with water. Physical Modi? cations to a battery, including means to pres- ? Lithium-ion:
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of under-protection, Anode current output at an entire development or even multiple developments. This (pipeline and structure anodes), Effective steel current density can unlock new savings across assets and locations by inform- (including coating breakdown for coated pipelines/structures), ing
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Field Gradient Technology (a.k.a., ‘CP stabber’) making direct contact measurement to Data quality and value improves through the use of non-con- the steel structure and the anodes, either by divers or ROVs. tact surveys using ? eld gradient sensor technology. Standard The probe typically consists of
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CP an- T cases Magnesium, the anodes are more reactive in the elec- odes must be regularly surveyed to determine when replace- trochemical process than the steel used in pipelines and other ments are required. subsea structures. When connected to a structure, the anodes willingly ‘sacri? ce’ themselves by
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March 2024 - Marine Technology Reporter page: 15
, engineered for payloads from 10, 20, 100 and up to 350 pounds. All positioners are available in Aluminum housing (standard) but are offered in Stainless Steel and Titanium for maximum longevity in seawater. ROS positioners offer accuracy from +/- 1.5° to 0.1°. ROS AccuPositioner™ is ideal for Sonar applications
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professional mariner! Sail with NOAA’s fleet of research marinerhiring.noaa.gov 1-833-SAIL-USA (724-5872) and survey ships! - Detects all iron and steel Get your next salvage - Locate pipelines, anchors and job done faster chains with a JW Fishers Proton 5 Magnetometer. - Locate buried objects
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April 2024 - Maritime Reporter and Engineering News page: 39
calls the project "A inspections of the relevant parts. Moreover, it is tribute build to a work life at sea". “My capable of measuring the thickness of steel plates model is inspired by a Danish pilot boat, but it could just as by remote operation by the operator. This not easily be a pilot boat from
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April 2024 - Maritime Reporter and Engineering News page: 38
and non-polluting solu- Using its electric line handling tug Castalia, Consulmar towed tion for mooring operations. In addition to mooring, the mul- the steel mooring lines from the vessel to each of the ? ve moor- tipurpose Castalia, which measures 12.5 x 5 m, plays a role in ing buoys. various port activities
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April 2024 - Marine News page: 43
Furuno’s hybrid control with class Azipod DI system opens new pros- the intuitive RotoKey control knob as pects for the icebreaker development in steel parts and meet EMC require- well as intuitive Edge Swipe functions the region of the Great Lakes, and other ments. 12 or 24 VDC. and customizable
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April 2024 - Marine News page: 39
each shipyard and process. This stage poses critical ques- the need for rework, showcasing the vessel type. Contrary to popular expe- tions: Should the steel be processed in- importance of thoughtful process- rience and opinion, modern solutions house with a wheel machine for primer design in minimizing
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April 2024 - Marine News page: 38
, whether tankers or surface combatants, each presents its own set of intricate challenges. Tankers, for example, emphasize the through- put of steel and panel processing, while destroyers focus on electrical and mechanical systems, including combat sys- tems. These differences highlight the importance
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April 2024 - Marine News page: 30
joint venture between the U.S.- has been a bene? ciary of the move to offshore wind, cut- based MidOcean group, and passenger vessel owner Horn- ting steel in mid-2023 on a rock installation vessel to be blower, with German CTV specialist Ems Maritime Off- named Acadia, contracted by Great Lakes Dredge
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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
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February 2024 - Maritime Reporter and Engineering News page: 37
PTI/PTO "In a typical LNG carrier, permanent magnet technology improves ef? ciency by 2-4% compared to synchronous machines." – Dr. Jussi Puranen, Head of Product Line, Electric Machines, at Yaskawa Environmental Energy / The Switch The Switch’s shaft generators start from <1MW and range up to 12MW+.
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February 2024 - Maritime Reporter and Engineering News page: 36
HYBRID 2-stroke controllable pitch propeller PTO powertrain Source: MAN Energy Solutions how 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
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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
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HYBRID Shaft Generators Demand on the Rise Source: MAN Energy Solutions MR #2 (34-44).indd 34 2/6/2024 8:47:46 AM
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EAL AND STERN TUBE DAMAGES STACKING not forget any oil leak, big or small, can be catastrophic to the marine environment and marine life, with some EALs found to THE DECKS be only slightly less damaging than the phased-out traditional WITH BEST-IN-CLASS MARINE oils,” said VP of Business Development
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REPAIR Photo Courtesy Marine and Industrial Transmissions ings to optimize load distribution. A large number of the incidents analyzed by Gard were attributed to ghost ? shing gear that enter the stern tube seal area causing seawater to contaminate the lubrication oil. A 2022 study by CSIRO scientists
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EAL AND STERN TUBE DAMAGES “Our recommendations “A good bearing are simple. Please design is have good control over important.” your oil quality in the primary barrier, the aft – Øystein Åsheim Alnes sealing system,” Head of section for Propulsion and Steering, – Arun Sethumadhavan DNV
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. row, methanol offers an alternative to HFO, and a pathway For the Methanol Superstorage fuel tank, a 25mm thick towards decarbonization targets. steel-polymer-steel barrier provides protection against ? re or A chief challenge to incorporating methanol as a maritime leakage that is equivalent to
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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
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February 2024 - Marine News page: 43
. Stainless Cambridge Pixel has unveiled a new the Seakeeper 9 and the inaugural software package to aid in the instruc- M7000 and offers 17% more angu- steel parts and meet EMC require- tion and learning of the proper usage lar momentum in 23% less volume. ments. 12 or 24 VDC. of maritime radars. SPx Radar
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struction at Philly Shipyard. Indeed, it was only last July macroeconomic challenges highlighted by Equinor and BP that President Joe Biden attended the steel cutting ceremo- in their OREC termination announcement quoted above). ny for GLDD’s SRIV at Philly Shipyard, highlighting the The key to reversing