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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


MN100: Schoellhorn-Albrecht Machine Co., Inc.

(Image: Schoellhorn-Albrecht Machine Co., Inc.)

The Company: Schoellhorn-Albrecht is an industry leader in the design and manufacture of Mooring Equipment and Systems including Capstans, Anchor Windlasses, Deck Fittings and Vessel Access Systems. In addition to standard products, the firm specializes in designing and manufacturing castings


Navig8 Inks Sale and Leaseback Deal with SBI

Courtesy Navig8 Chemical Tankers

Navig8 Chemical Tankers Inc. an international shipping company focused on the transportation of chemicals, today announced that it has entered into a sale and leaseback transaction with subsidiaries of Japan-based SBI Holdings Inc (“SBI”) for two 25


Multi-purpose 9.5m Cabin RIB from ASIS Boats

ASIS 9.5m Cabin RIBs (Photo: ASIS)

A maritime Solutions Company in Dubai has just taken delivery of ASIS 9.5m Cabin RIBs for Security Patrol and Pilot Services.   The multi-purpose custom built crafts will be used for Dubai International Port Operations on a daily basis.  


Iron: Implications in Shipping

Graph: Clarksons Research

Clarksons Research says that iron-based materials such as steel are used incredibly widely in the world’s industries today, with clear implications for shipping too.   The versatility and strength of steel has made it today’s most important construction material, with 1


Rapido Gee: 42m Utility Vessel Delivered

Photo: Incat Crowther

Rapido Gee, a 42m steel monohull utility vessel, has been delivered and is currently in transit to the Middle East. The vessel will be operated by Rashied Marine Services in the service of offshore platforms.   Designed by Incat Crowther and built by Strategic Marine


SeaPro FourStroke Making Gains in the Commercial Market

Mercury SeaPro commercial outboards (Image: Mercury Marine)

Mercury Marine’s family of SeaPro FourStroke outboard engines is suited for high-hour applications and harsh environments, according to the manufacturer, who said the engines are gaining popularity within the commercial marketplace.  


Panamax Vessel Demand Keeps Baltic Index Up

The Baltic Exchange's main sea freight index, tracking rates for ships carrying dry bulk commodities, rose on Monday for a fourth straight session as higher demand propped up rates for panamax vessels.   The overall index, which factors in rates for capesize, panamax


Navig8 Chemical Adds New Tanker from Kitanihon

Image: Navig8 Chemical Tankers Inc

 Chemical shipping company Navig8 Chemical Tankers Inc. has taken delivery of its first stainless steel chemical tanker, the Navig8 Sirius, from Japanese shipbuilder Kitanihon Shipbuilding Co. Ltd.    Navig8 Sirius is a 25,000 DWT stainless steel chemical tanker.  


Stolt-Nielsen buys Jo Tanker's Chemical Tanker Ops

File image: creddit: Stolt-Nielsen

Stolt-Nielsen buys competitor's chemical tanker operations. Deal includes 13 chemical tankers and 50 pct in 8 newbuilds. Details of the deal include:   Stolt-Nielsen agrees to acquire the chemical tanker operations of Jo Tankers.


Little Rock Port Authority Reports June Shipping

Total barge tonnage through the Port of Little Rock in May was 66,000 net tons.  Dock activities continue to compare favorably to calendar year 2015. Logistic Services, Inc. has handled 274 barges during the first half of 2016 year and 410


Navig8 Chemical Tankers Sees Income Rise

Photo: Navig8 Group

 Navig8 Chemical Tankers Inc reported its net income at $9.6 million, against a net income of $2.9 million seen in the three months ended June 30, 2015.    Continued growth of the company’s operating fleet with the delivery of Navig8 Turquoise, a 49


Navig8 Chemical Adds New Tanker

Courtesy Navig8

Navig8 Chemical Tankers Inc. (the “Company”) (N‐OTC: CHEMS), an international shipping company focused on the transportation of chemicals, today announced that it has taken delivery of the Navig8 Sky, a 25,000 DWT stainless steel chemical tanker, from Kitanihon Shipbuilding Co


Schwarze-Robitec Offers Efficiency in Shipbuilding

Image: Schwarze-Robitec

Cruise ships, freighters or yachts require complex supply systems on board to  be able to travel long distances in the open sea. For the supply of oil and gas, for example, many kilometers of pipelines are installed above and below deck


MN100: Viega LLC

(Photo: Viega LLC)

The Company: Viega was founded in Germany in 1899. By 1901, the company began to manufacture home plumbing products, growing and expanding internationally. In 1999, through the purchase of an interest in a U.S. company, Viega expanded its product offering to North America


Larger Waterjets Join Rolls-Royce Product Line

Rolls-Royce said it has added three larger stainless steel Kamewa waterjets to its product range. The new waterjets are designed for use in bigger (30m+) vessels.   With fewer components, the new range is easier to install reducing the time and specialist skills required to fit them with






 
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