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Stainless Steel Props

Kvichak Delivers 26-ft Push Boat to Seattle City Light

Photo courtesy Kvichak Marine

Kvichak Marine, Industries, Inc. recently constructed and delivered a 25.7 ft push boat to Seattle City Light  for operation with the service barge at the Diablo Dam in the North Cascades.  This Kvichak Marine design is constructed of marine grade aluminum alloy plate and extrusions.  Two vertical push knees are located at the bow. The knees are padded by six inch D-section rubber.  A 1,500 lb davit with manual winch is mounted on the stern.    The push boat is powered by twin John Deere 330 hp turbo charged diesel engines with stainless steel props in enclosed nozzles, allowing for speed of eight knots while pushing the barge.   Length, o.a 25.7 ft Beam, molded 14 ft Draft, ready for service 3.4 ft Weight, full load 25,102 lbs Crew 3 Fuel 480 gal Bollard pull 10,280 lbs Speed, pushing barge 8 kts  


Seattle City Light Contract for Kvichak Marine

Seattle City Light has awarded a contract to Kvichak Marine Industries to build a 25.8-ft push boat designed by Kvichak Marine to operate with the service barge at the Diablo Dam in the North Cascades. The hull and superstructure will be constructed of marine grade aluminum alloy plate and extrusions.  Two vertical push knees will be located at the bow.  The knees will be padded by 6” D-section rubber.  A 1,500 lb davit with manual winch will be mounted on the stern


Military, State Orders Buoy Patrol Boat Market

By Larry Pearson Even before the events of 9/11, the patrol boat market for the Navy, Coast Guard and individual state law enforcement departments was very active. For example, in the 1980's Bollinger built 49 Island Class Patrol boats and 10 years later built 50 smaller patrol vessels also for the Coast Guard. These assets were immediately deployable to counter terrorism threats after 9/11. But with the entire nation on alert


WESMAR Displaying their Biggest at WorkBoat Show

Image courtesy WESMAR

WESMAR will be displaying the largest bow thruster they produce at the annual International WorkBoat Show in New Orleans December 1-3, and Bob Sentz, Vice President of WESMAR’s Mechanical Division, said it is the largest system his division has ever sent to a trade show.  “This stainless steel 48-inch, 4-blade NiBrAl prop counter-rotating bow thruster system will be a head turner for many reasons,” said Sentz


Lugger Tug from Alabama Yard

Photo courtesy of April Harrel & Rodriguez Boat Builders

The “Lugger” designation traces back to days when a small handy coastal vessel often carried lug-rigged sails. A modern day lugger, as used on the US Gulf of Mexico coast, is still a handy boat for working in near shore waters. On a version of the tug, designed by and currently finishing up at Rodriguez Boat Builders, a pair of Cummins Tier 2 compliant QSK19-M diesels turning four-blade stainless steel props has replaced the lugsails for propulsion.  


ClassNK Issues New Welding Guidelines

NK_Hardhat web.jpg

Classification society ClassNK (Chairman and President: Noboru Ueda) announced that it has released new Guidelines on the Welding of Duplex Stainless Steels. The guidelines have been developed to help shipyards safely and effectively make use of new duplex steels that are increasingly being used in the construction of cargo tanks for chemical carriers. As part of its work to support the safe construction of ships, ClassNK has released the guidelines for free via its website.


AMT Marine Building Fast Utility Boat at Hope Services

Andy Martin of AMT Marine will take delivery this May of a 136 x 34 x 12-ft. mini-supply boat from Hope Services of Dulac, La. The new boat, designed by Frank Basil's Entech and Associates of Houma, will be powered by a pair of Cummins V-12 KTA38 M0 main engines rated for 850 hp each at 1,800 rpm and driving through Twin Disc MG5301 gears with a ratio of 5.96:1. It's what this combination is driving that makes the story. On the end of each stainless steel six-in


New Stainless Steel Chemical Tanker Platform

Principal Maritime Management LLC of Southport, Connecticut, a shipping company owned by affiliates of Apollo Global Management LLC, has formed a new platform in the stainless steel chemical shipping sector. Additionally, Princimar Chemical Carriers has acquired its initial three stainless steel chemical tankers, all of which were purchased from existing owners and are currently in service.   Princimar Chemical Carriers is focused primarily on acquiring stainless steel chemical


PMM Dips Into Chemical Ship Management Sector

Principal Maritime Management LLC (PMM) of Southport, Connecticut, a shipping company owned by affiliates of Apollo Global Management LLC, informs of its new business in the stainless steel chemical shipping sector, through Princimar tankship acquisitions. PMM explain that Princimar Chemical Carriers (Princimar) acquired its initial three stainless steel chemical tankers, from existing owners.  Princimar is focused primarily on acquiring stainless steel chemical tankers which


Macro Sensors Gauge Tank Volume Changes

This diagram shows the LVDT level sensor attached to the side of a tank using a flat-hook assembly. The high-permeability core follows the position of the stainless-steel float. The LVDT electronics sense the core position using magnetic induction. Output is a 4 to 20-mA instrumentation current loop corresponding to the position of the core in the LVDT body.

Configured with a float, Macro Sensors HSIR Series LVDT Linear Position Transmitters are serving as level sensors to measure liquid level changes from a few inches to several feet in gauging tank level volumes. In this LVDT level sensor configuration, a stainless-steel float coupled to a nonmagnetic stainless-steel rod is attached to the high-permeability, armature core of the LVDT. The 4 to 20-mA loop-powered LVDT position transmitter senses the position of the core and, therefore


Compact Genset Muffler Fits Tight Spaces

Image: Marine Exhaust Systems

Fitting a generator and its exhaust system into a new build or a retrofit can be challenging, especially in a confined engine room. Marine Exhaust Systems said it aims to solve the space problem with its new whisper-quiet Series 4 Thinline Wall Pack Generator Muffler.  


Digital Thruster Panel for Smooth Docking

Photo: Twin Disc

Twin Disc announces its new Digital Thruster Panel. The unit complements the company's EC300 Power Commander electronic propulsion control and Express Joystick System (EJS).   Built of polished stainless steel, the Digital Thruster Panel is engineered rugged for a marine environment


New Tug Delivered for Italtugs

Photo: Sanmar

The delivery of tug Civitavecchia to the Italian tugboat operator Italtugs for its operation at a Sicilian oil terminal represents another milestone in the tchnical cooperation between Sanmar Shipyards in Turkey and the Canadian naval architects, Robert Allan Limited.


New Mooring System for Commercial Vessels

Photo courtesy of PSI Marine

Eliminating the slack line required for conventional tie-ups, PSI Marine's TideSlide Mooring System reduces inertial loading usually generated by a moored vessel.   TideSlide's strength and safety are ideal for commercial docks where cargo or passengers are loaded


VOSS Fluid: Tube Connection Technology

The VOSSFormSQR tube forming system provides connection of stainless steel and steel tubes above and below deck. (Image: VOSS Fluid GmbH)

For connection of stainless steel and steel tubes above and below deck, VOSS Fluid provides the VOSSFormSQR tube forming system. The solution is certified for marine and offshore applications, even frequently-changing assembly personnel achieve process-reliable connections.  


New Product: Running Line Dynamometer

The finished product was the result of a three-part consortium representing the UK, USA and Sri Lanka. (Photo: Straightpoint)

A three-part consortium from the UK, USA and Sri Lanka, triangulated expertise to develop a new product for measuring tension on lines recently launched by Straightpoint, the Running Line Dynamometer (or TIMH), part of the manufacturer’s tension in motion range.


LNG Tanks Installed on Crowley’s First ConRo Ship

Photo: Crowley

Construction of the first of two liquefied natural gas (LNG)-powered, combination container – Roll-On/Roll-Off (ConRo) ships for Crowley Maritime Corporation’s liner services group reached another milestone, with the installation of three LNG fuel tanks


Nordic Tankers joins forces with Borealis Maritime

NordicMarianne. Photo: Nordic Tankers A/S

 Nordic Tankers and Borealis Maritime Ltd has announced the intention to form a jointly held company, Crystal Nordic A/S – a strong player in the short-sea, ice class chemical tanker trade in the Baltic and North-Western European market.  


ACO Marine Unveils New PE Separators

ACO Marine has introduced composite PE versions of its Lipator and Lipatomat grease separator range. Pictured is a 2x stainless steel Lipatomat NS10 with lifting station (Image: ACO Marine)

Wastewater management specialist ACO Marine has introduced a new composite grease separator as part of its Lipator and Lipatomat product range.   Manufactured from high-density polyethylene (PE) composite, ACO Marine’s new PE-Lipator (manual) and PE-Lipatomat (automatic) separators


Towboat Honors Structural Engineer Dobson

At the commissioning, left to right: Jason Adams, Owner Raymond Louviere Field Foreman; Donald Baudoin, shipyard superintendent; Rex Dobson, shipyard structural superintendent; and Bart Foret, Field Foreman

Joe Gregory, owner of New Generation Shipbulding of Houma, La., reports that his firm’s latest delivery will join the La Porte Texas-based Martin Marine fleet of 29 inland push boats and 54 inland marine tank barges. Martin also operates four offshore tug/barge units


Wärtsilä Propulsion for Antarctic Icebreaker

The new Polar Logistics Vessel will be powered by Wärtsilä machinery. Courtesy Wartsila

A new Polar Logistics Vessel being built for Terre Australes et Antarctiques Françaises (TAAF) and the French Polar Institute (IPEV), and which will be operated by the French Navy, is to be powered by Wärtsilä propulsion solutions


New Methanol Projects to Change Chemical Shipping Patterns

Methanol seaborne trades in 1H15 and future new routes (in million tonnes). Source: Drewrys Chemical Forecaster

New US and Middle East methanol production capacity being added over the next two years will have serious implications for chemical shipping trade flow patterns, according to the latest edition of the Chemical Forecaster, published by global shipping consultancy Drewry.  


Caterpillar Diesel Electric Propulsion for Chinese Liftboats

Image: Caterpillar Marine

Caterpillar Marine announced it will supply complete propulsion packages for two liftboats under construction at Jiangsu Dajing Heavy Industry Co Ltd in China. Two identical diesel-electric systems comprising four Cat Propulsion MTA-523 1500kW azimuth thrusters driven by electric motors and soft


Join Schedule 80 Carbon Steel Pipe without Hot Works

VE416FSD (Image: Victaulic)

Pipe joining solutions manufacturer Victaulic has introduced new roll sets for the VE416FSD roll grooving tool that permit roll grooving of 2- to 6-inch Schedule 80 carbon steel pipe.   According to the manufacturer, the new capability enables Schedule 80 pipe—commonly used for


ClassNK Bulletin Examines 2015 Developments

ClassNK releases developments for 2015 in annual Technical Bulletin   Classification society ClassNK informs it has released a summary of the latest industry developments in its annual Technical Bulletin, which this year covers topics including marine energy usage






 
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