Markey Equips Research Vessel Sally Ride

Posted by Eric Haun
Tuesday, August 19, 2014
Research Vessel Sally Ride (Photo courtesy of Scripps Institution of Oceanography)

Named for the first American woman launched into space aboard the Space Shuttle Challenger, the Research Vessel Sally Ride was commissioned August 9 at Dakota Creek Industries (Anacortes, Washington). Sally Ride is a U.S. Navy Office of Naval Research sponsored Auxiliary General Oceanographic Research Vessel (AGOR-28). The vessel’s advanced deck machinery will be operated by Scripps Institution of Oceanography personnel during extended scientific missions upon the seven seas. Missions to explore and study the hostile ocean environment implore low maintenance deck machinery designs for rugged durability. The Sally Ride is outfitted with two Electric Hydrographic Winches, an Electric Anchor Windlass and a Trawl/Tow Traction Winch System, all of Markey Machinery Company, Inc. (Seattle, Washington) design.

The hydrographic winches are Markey’s new high performance type CAST-6-125 with active heave compensation controls. These deep sea research winches include a proven motor-powered level wind with pushbutton pitch adjustment for new cable diameters. The shipboard cable pathway leads to articulated launch and recovery cranes for over the side load handling of samplers and instruments. The rotating elements of these modern hydrographic winches minimize rotating mass, maximizing winch responsiveness, and reducing stress on cables and equipment. When this automatic control mode is engaged the drive’s integral processor evaluates heave data, outputting counteracting speed/direction signals to control the drum and effectively eliminate 90% of the ship’s motion up to sea state 4 (moderate sea state) conditions. The winches drum carry up to 10,000 meters of 0.393 inch diameter fiber optic cable. The 125 horsepower motor produces cable pulls of 19, 825 lbs. at bare drum and 10,000 lbs. at full drum. The CAST-6 drums can easily be unbolted and swapped in as little as one hour to keep pace with ever changing research technology.

Sally Ride’s Trawl/Tow Traction Winch System is the all-electric Markey type DETW-9/11-48 supporting coring, trawling, towing, dredging, ROV, and other scientific operations. The system integrates the DETW-9/11-48 Electric Traction Winch, a DESR-11-48, and a DESR-9-30 Electric Storage Reels with local and remote controls and digital all-electric AC- variable frequency drives. The dual drum traction winch acts like a powered capstan multiplying the low tension tailing force of the storage reels. The two grooved dual drums of the traction winch, level wind turning sheaves and storage drum core diameters all are sized for a minimum bend diameter ratio of 40:1; thus the system is suited to, designed for, and proven operationally affective spooling 0.681 inch diameter fiber optic cable on AGOR-23 class vessels. Assuring long cable life on the high tension (working) side of the traction machine, the Sally Ride’s cable path is absent reverse bends. The Markey Traction Winch system utilizes a sheave-mounted load pin arrangement on the storage drum level wind. The continuous “low tension” output signal closes the torque control loop allowing the drive to maintain accurate constant cable tension and thus even, smooth spooling throughout the entire storage drum capacity. The amount of back tension is easily programmable by the operator and eliminates need for slack line preventers. The Sally Ride is scheduled to sail loaded with39,370 ft. of 9/16” 3x19 torque-resistant wire and 32,808 ft. of 0.680 inch electricalmechanical cable or 0.681 inch fiber optic cable. Each traction wheel is powered via a single 75 HP electric motor for 150 HP total performance and the storage reels are powered by single 30 HP electric motor. The system is rated to pull 26,500 lbs. at 205 ft. /min and light line pull of 16,500 lbs. at 300ft/min.

Finally, but certainly as important, the Sally Ride uses a Markey type WES-23 two wildcat electric anchor windlass to handle 1-7/16” grade 3 anchor chain. Designed for bolt-down installation, each wildcat on the WES-23 is fitted with a band-type brake, a jaw-type disconnect clutch and two 18” diameter warping heads at each end of the horizontal main shaft. The WES-23 is driven by a 30HP, NEMA-D marine motor that is rated for 30-minutes of continuous duty and fitted with a marine-duty spring-set / electric-release automatic disc-brake. The windlass is certified to meet ABS requirements equivalent to a single chain-pull of 14,200 lbs. at 30 ft. /minute and an overload capacity to 21,300 lbs.

An American astronaut, physicist, author and hero who embodied the tradition of exploration, Sally Ride’s spirit lives on in the newly built research vessel that bears her name. Providing the most reliable scientific deck machinery in the world, Markey is proud to be provider of this vessel’s mission-critical deck machinery. Markey’s 107 year history of developing pioneering machinery is the perfect accompaniment to the spirit Sally Ride brings to exploring inner space.

markeymachinery.com
 

Maritime Reporter October 2014 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Navy

NAVCENT Commander Recognizes Journey of Hope Sailors

Commander, U.S. Naval Forces Central Command, U.S. 5th Fleet, Combined Maritime Forces, Vice Adm. John. W. Miller, recognized the accomplishments of three special-needs sailors from the Kuwaiti ship,

Subsea Defense & the Changing Paradigm of Submarine Programs

Technology and dynamic mission profiles have driven change in the defense industry, Hydro Group Plc Managing Director Doug Whyte, explores the changing paradigm of submarine programs,

Rolls-Royce Wins US Marine Corps Contract

Rolls-Royce has been awarded a new, two-year contract to provide aftermarket engine support for the US Marine Corps and Air Force V-22 fleets, which provides

News

USCG Medevacs Man From Sailboat off NC Coast

The Coast Guard medevaced an injured 62-year-old man from his sailboat Thursday approximately 100 miles east of Kill Devil Hills. Watchstanders at the Fifth

Findland Fairway Due Law

Based on the Finland Ministry of Transport and Communication’s maritime strategy, the Finnish parliament has announced a final and lawful decision on the new

ESSA's Fleet Upgradation Environmental Driven

State-controlled Exportadora de Sal SA de CV of Mexico ("ESSA"), one of the world’s largest salt exporters with a 10-million-ton annual production, has strengthened

Marine Equipment

ESSA's Fleet Upgradation Environmental Driven

State-controlled Exportadora de Sal SA de CV of Mexico ("ESSA"), one of the world’s largest salt exporters with a 10-million-ton annual production, has strengthened

MSC Magnifica Completes Drydocking at Damen Shiprepair

After a very fast and successful 17-day drydocking the cruise ship MSC Magnifica left Damen Shiprepair Rotterdam (part of Damen Shiprepair & Conversion) for

DNV GL “Modification Excellence Award” for Schiffahrt

Classification society DNV GL recognised that E.R. Schiffahrt has retrofitted seven ultra large container vessels to meet the highest energy efficiency standards

Marine Science

Rolls-Royce Bags £12 mi Order from Myklebusthaug Management

Rolls-Royce has won a £12 million order to provide design, integrated power and propulsion systems and equipment for a highly advanced multipurpose service vessel

DNV GL “Modification Excellence Award” for Schiffahrt

Classification society DNV GL recognised that E.R. Schiffahrt has retrofitted seven ultra large container vessels to meet the highest energy efficiency standards

Wärtsilä Integrated Solutions for Maersk's AHTS Vessels

A new series of six Anchor Handling Tug Supply vessels to be built at the Kleven Verft AS in Norway for the Danish based Maersk Supply Service A/S - part of the A.

Vessels

ESSA's Fleet Upgradation Environmental Driven

State-controlled Exportadora de Sal SA de CV of Mexico ("ESSA"), one of the world’s largest salt exporters with a 10-million-ton annual production, has strengthened

MSC Magnifica Completes Drydocking at Damen Shiprepair

After a very fast and successful 17-day drydocking the cruise ship MSC Magnifica left Damen Shiprepair Rotterdam (part of Damen Shiprepair & Conversion) for

Rolls-Royce Bags £12 mi Order from Myklebusthaug Management

Rolls-Royce has won a £12 million order to provide design, integrated power and propulsion systems and equipment for a highly advanced multipurpose service vessel

Deck Machinery

MacGregor Deck Equipment for Intership's Eco-bulkers

MacGregor, part of Cargotec, has secured a deck equipment contract from New Times Shipyard in China for Intership Navigation Co Ltd.'s three new 36,500 dwt laker-class bulk carriers.

MacGregor's Deck Equipment For Chinese Shipyard

MacGregor, part of Cargotec, has secured a comprehensive deck equipment contract from New Times Shipyard, in China, for Intership Navigation Co Ltd's three new 36,500 dwt Laker-class bulk carriers.

Damen to Refit Helix Well Intervention Vessel

After having docked and repaired the MSV Seawell in 2012 and DSV Well Enhancer earlier this year, Damen Shiprepair Vlissingen (DSV) was contracted by Helix UK to

Ocean Observation

Support for Sulphur Regulation Enforcement Gathers Momentum

Trident Alliance, the shipping industry initiative for robust enforcement of maritime sulphur regulations, broadens its platform as some of Germany’s and Denmark’s

Thickness of Antarctic Sea Ice Surpass Expectations

Antarctica's ice paradox has yet another puzzling layer. Not only is the amount of sea ice increasing each year, but an underwater robot now shows the ice is

Everett College to Launch New Research Boat

Everett Community College’s Ocean Research College Academy (ORCA) will launch its new research vesel on November 22 with a celebration at 11 a.m. at the Port of Everett.

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Pipelines Pod Propulsion Port Authority Salvage Ship Electronics Ship Simulators Shipbuilding / Vessel Construction Winch
rss | archive | history | articles | privacy | terms and conditions | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.2352 sec (4 req/sec)