Wärtsilä to Power Norwegian Trawler Newbuild
Wärtsilä has been awarded a contract to provide the propulsion machinery for a new purse seine fishing trawler ordered by Strand Senior AS, a subsidiary of Strand Havfiske AS based in Norway. The vessel will be built at the Karstensen Skibsvaerft shipyard in Denmark. The Wärtsilä order was booked in March 2017. In specifying that an innovative and highly efficient vessel was required, the owners specifically emphasized that the propulsion system should be centered on the Wärtsilä 31 engine.
Improve Your Bottom Line with Condition Monitoring Systems
All operators worry about the same thing – the next outage that puts your vessel out of commission. Millions of dollars are invested every year into maintenance programs. State-of-the-art condition monitoring systems like the Windrock 6400 can predict and help prevent downtime and failures. Performance monitoring can be described as the process of gathering data from machinery to assess the overall operating capacity of the system it is a part of. Data is compared either against an existing database (trending)…
Tech File: Condition Monitoring Systems
All operators worry about the same thing – the next outage that puts your vessel out of commission. Millions of dollars are invested every year into maintenance programs. State-of-the-art condition monitoring systems like the Windrock 6400 can predict and help prevent downtime and failures. Performance monitoring can be described as the process of gathering data from machinery to assess the overall operating capacity of the system it is a part of. Data is compared either against…
Tradewinds Towing Returns to Laborde for Repowers
In September of 2006, Dominique Smith of the then one tug company Tradewinds Towing came to Laborde Products, to look at the S12R engine for the repower of the Miss Lis, an Alaskan built low profile tug he planned on repowering. Later that same month, the deal was made, and shortly thereafter, the Miss Lis set sail with new Mitsubishi engines and Reintjes transmissions supplied by Laborde Products. Since then, the engines have logged over 30,000 hours travelling throughout North, Central and South America.
Gowind 2500: DCNS Creation Passes first Test
DCNS announced the success of the first sea trials of the first-of-class Gowind 2500 corvette under construction in Lorient, France by DCNS. Ten Gowind 2500 corvettes, aimed at supplementing DCNS surface vessel product range, has been ordered so far by international navies. “It is a very important moment for DCNS: the Gowind corvette designed especially for the international market is now sea proven,” said Eric Chaplet, DCNS Marketing Vice-President. “We are very proud to announce that…
Ecoshield Coating Option for ZF Thrusters
ZF Marine Krimpen is applying Subsea Industries’ Ecoshield hard coating to the nozzles and underwater components of its azimuth thruster units supplied to vessels operating in inland waterways. The Netherlands-based company, a division of Germany’s ZF Group, is using Ecoshield on thrusters supplied to a number of U.S.-based customers to reduce operational wear and tear in brown waters such as the Mississippi River. The solution was found in Antwerp, in 2015, when ZF approached…
Combination Tug & Dive Support for Peruvian Navy
The Peruvian Navy has recently taken delivery of a well-equipped dive support vessel (DSV) from the shipyard Servicios Industriales de la Marina S.A. (SIMA). Designed in-house by the shipyard, the new 4400 HP vessel has significant towing capabilities and can act as a salvage tug. The 32 by 12-meter vessel has a molded depth of 4.5 meters on a finely-shaped, double chined hull. A four point anchoring system as well as a launch and recovery system for deploying an open diving bell are among the effective salvage and dive-support deck equipmet.
Rolls-Royce Wins USCG OPC Propulsion Contract
Rolls-Royce will provide an extensive range of equipment, including MTU marine generator sets, to a new fleet of U.S. Coast Guard Offshore Patrol Cutters (USCG OPC). The Rolls-Royce equipment was selected by Eastern Shipbuilding Group (ESG) Inc. for the USCG OPC fleet’s first nine vessels, with an option to add two more. Sam Cameron, Rolls-Royce, Senior Vice President, Sales & Business Development – Naval, said: “The Offshore Patrol Cutter is the U.S. Coast Guard's largest shipbuilding…
Steel Cut for World's First LNG Cruise Liner
German shipbuilder MEYER WERFT held a steel cutting ceremony on February 21 in Papenburg marking the ceremonial start of construction for the newest cruise liner for Rostock-based cruise company AIDA Cruises. The new cruise ship will be the world’s first capable of operating completely on liquefied natural gas (LNG). Felix Eichhorn, President of AIDA Cruises, pressed the start button of the computer-controlled cutting machine to commence work on the first steel plate for the next generation of AIDA cruise ships.
Chao Phraya: A Floating Food World
For many years, the Supatra River House on the Chao Phrya River, has been a favorite with Thai and foreign dinners. Situated on the Thonburi side of the river, the most favored approach to the restaurant is by boat. To that end, the owner, Khun Supapan maintains a fleet of beautifully restored Chao Phraya River water taxis. These can pickup dinners from their riverside hotels or any one of the Express Boat docks, including Tha Maharaj pier on the Bangkok side across from the Supatra River House.
MTU Drive and Propulsion Solutions for Naval Vessels
Rolls-Royce will be showcasing its MTU drive and propulsion solutions for military vehicles and naval vessels at the IDEX and NAVDEX 2017 trade shows (Booth 09-B14). These take place simultaneously in Abu Dhabi from February 19- 23, and represent the biggest defence technology event in the Middle East and North Africa. The venue is the Abu Dhabi National Exhibition Centre in the United Arab Emirates. Rolls-Royce will be presenting the full spectrum of its MTU-brand drive and…
US Coast Guard in CRADA with Cox Powertrain
The US Coast Guard has entered into a Cooperative Research and Development Agreement (CRADA) with British diesel engine innovator, Cox Powertrain. The CRADA will evaluate and test the advantages, disadvantages, required technology enhancements, performance, costs and other issues associated with diesel outboard engine technology. There a been a big swell of interest in diesel outboards since NATO introduced its single fuel policy, with the military and naval forces of member countries keen to phase out petrol-fuelled outboards in favour of cleaner diesel alternatives.
Cavotec Wins Port Equipment Orders
Global engineering group Cavotec has been awarded significant orders for its innovative systems for marine propulsion, shore power supply, and crane electrification systems, with a combined value of EUR 10 million, highlighting the Group's pivotal position in the global Ports & Maritime segment. One of the largest of these orders — placed by a major crane manufacturer — is for powering and controlling advanced rail-mounted gantry cranes (RMGC) and Automatic Stacking Cranes (ASC) with motorised cable reels at two container terminals.
Protect Vessels from Marine Corrosion
For ship and vessel owners that struggle with corrosion caused by water, humidity, condensation, salt air and environmental contaminants, Force5 Marine works as corrosion inhibiter, lubricant and cleaner to protect engines and critical equipment and keep it in good working order. The harsh marine environment costs an estimated $50-80 billion in corrosion related damage worldwide, and can lead to the failure of critical equipment including engines, fittings, valves, switches, lighting, and electrical gear if not properly maintained.
Royce to Power High-speed Italian Naval Vessels
The construction of two new high-speed multipurpose vessels (UNPAV) for the Italian Navy has recently begun at Intermarine’s Sarzana shipyard. Rolls-Royce has won the contract to supply engines and waterjets to power and propel the two new vessels, which will be used by the Operational Incursion Group (Gruppo Operativo Incursori or G.O.I), the Special Forces of the Italian Navy, for maritime traffic control, combating human trafficking, counter terror and antipiracy operations and crisis evacuations.
Altra Acquires Stromag
Manufacturer and marketer of electromechanical power transmission and motion control products Altra Industrial Motion Corp. said it has closed its acquisition of the Stromag business from GKN plc. “Stromag provides Altra with complementary products, increased presence in key geographic regions and penetration into new growth end markets,” said Carl Christenson, Chairman and CEO of Altra. Stromag generated approximately 131 million euros in revenue in 2015, and the acquisition is anticipated to be accretive to Altra’s earnings in 2017, excluding any one-time or acquisition-related costs.
Lubricants: Mitigating Risk without Sacrificing Performance
A new entry to the EAL lubricant race emerges from RSC Bio Solutions. Deep roots, new technologies and familiar names create the basis for a different way of approaching marine lubricants. It isn’t surprising that RSC Bio Solutions, a provider of environmentally acceptable lubricants (EALs) and cleaners, chose the SMM 2016 trade exposition in Hamburg, Germany as the platform to launch its newest product. That’s because SMM provided an appropriately large platform for a firm that has deep roots in the chemical and degreaser markets…
Brunvoll Acquires Scana Propulsion
Brunvoll, a family-owned company headquartered in Molde, Norway, a company that designs, manufactures and services complete thruster sstems for maneuvering, positioning and propulsion of advanced vessels, this week signed an agreement with Incus Investor ASA to acquire all the shares in Scana Propulsion AS, including subsidiaries Scana Volda AS and Scana Mar-El AS in Norway and three sales companies located in the United States, Singapore and China. Brunvoll Holding AS signed an option agreement for the acquisition of Scana Volda AS Real Estate…
Rolls-Royce to Propel New Danish Ferry
Danish ferry operator Mols-Linien has ordered a new passenger ferry from the Rauma Marine Constructions yard in Rauma, Finland. Rolls-Royce will provide the main propellers and propulsion control system to the new ship, which is planned to operate between mainland Denmark and the island of Bornholm, also known as the sunshine island of the Baltic Sea. Rolls-Royce will deliver two units of a Promas system which integrates the controllable pitch propeller, a propeller hub cap, a rudder with bulb and a twisted leading edge into one hydrodynamically optimized unit.
Bibby High Performance Carbon Fiber Couplings
High performance carbon fiber shaft couplings from Bibby Turboflex, part of the Altra Industrial Motion Group, can dramatically simplify the design, installation and maintenance of power transmission systems requiring long horizontal or vertical shafts, while also improving dynamic performance. The company’s floating shaft couplings are a favored solution for power transmission applications requiring the connection of widely separated shafts. The design compensates for angular…
Rolls-Royce, ZF Strengthen Propulsion Ties
An agreement between ZF Friedrichshafen AG and Rolls-Royce Power Systems will see the two companies collaborate even more closely on the development, marketing, sales and service of marine propulsion systems. The combination of MTU engines from Rolls-Royce Power Systems and marine transmissions from ZF have long been a match for many commercial ships and yachts. Now, the two companies plan to work together even more intensively to develop new technologies and products to help ensure clients are provided with fully optimized propulsion solutions.
ZF Marine Grows Presence in Louisiana
ZF Marine, the marine business unit of the global ZF Group, said it has secured a new location for its Gulf of Mexico/Inland Waterway sales and service operations. The company opened its wholly owned location in the greater New Orleans area in late 1996, the first satellite location outside of ZF’s North American marine headquarters. The location was established to provide close support for the commercial vessel industry in the Gulf of Mexico. Twenty years later, ZF Marine’s growing presence in the Inland Waterway…
Oscar B: Power in the River Currants
Since 1925 there has been some form of car ferry crossing of the lower Columbia River from Puget Island on the Washington side to Westport Slough on the Oregon side. In 1959 Wahkiakum County took over operation of the ferry and in 1962 had a steel-hulled ferry, named for the county, built by Nichols Boat Works at Hood River Oregon. This 12-car ferry served until 2015 when the county took delivery of a larger 23-car ferry. This ferry, named Oscar B, after Oscar Bergseng who served as ferry captain for 17 years. He died in 1985 after serving further years as ferry commissioner.
ROBA-DS Shaft Couplings Certified by DNV GL for Offshore
The compact and high performance ROBA-DS disk pack couplings by mayr power transmission have been certified by DNV GL. They ensure maximum possible operational and functional safety for users on the high seas. Whether in the drives of ship propellers, mobile platforms such as drilling platforms for oil and gas extraction, or also in tidal power plants – the areas of application for disk pack couplings in the maritime industry are diverse. For example, if the main drive of a ship propeller is an electric motor…
Two New SEA\LNG Partners
SEA\LNG, which works to accelerate the widespread adoption of liquefied natural gas (LNG) as a marine fuel, has welcomed two new partners, each representing key aspects of the LNG maritime value chain: ABS and Keppel Offshore & Marine’s Gas Technology Development. The recent decision by the International Maritime Organization (IMO) Marine Environment Protection Committee (MEPS) to enforce the global 0.5 percent cap on the sulphur content of marine fuel by 2020 has significantly increased interest in LNG as a cost effective, safe and more environmentally friendly fuel.
Ken Konrad: A Driven Innovator
At his core Ken Konrad is an innovator and engineer, looking at problems and seeing solutions. Walk around Konrad’s manufacturing and testing facility for even a short time and it is easy to see that Ken Konrad, owner and president, possesses a sharp intellect and an engineer’s mind, as he clearly revels in sharing insight on business and manufacturing practice that goes in each of his company’s rugged stern drive units. While Konrad has quickly established itself as a quality name in the commercial stern drive sector, it is still a newer business line within the company’s overall scope.
Cummins Introduces C Command Connect at METS
After its launch at the International Boatbuilders Exhibition and Conference (IBEX) in the U.S. last month, Cummins Inc., will introduce C Command Connect to European original equipment manufacturers (OEMs) at the Marine Equipment Trade Show (METS) 2016 in Amsterdam, the Netherlands. An extension of the C Command product line, C Command Connect is a panel system designed for Cummins Quantum Series QSB6.7, QSC8.3, QSL9 and QSM11 marine engines. A basic system (C Command Connect)…
EPA Approves VapCor Cleanol HDW1 for ‘Safer Choice’ Program
The U.S. Environmental Protection Agency (EPA) has accepted VapCor Cleanol HDW1 into the Safer Choice program. This is a related program to Designed for the Environment (DFE) an environmental program run by the EPA that helps consumers, businesses and purchasers find products that perform well and are safer for human health and the environment. This new program requires a performance criteria and also categorizes the various cleaners by industry and makes different requirements within the category.
Twin Disc Expands Workboat Product Range
Twin Disc, manufacturer of technologically advanced marine power transmission solutions, has launched new products and enhancements that will benefit commercial mariners worldwide. The company will display its introductions at the International WorkBoat Show, November 30–December 2, in New Orleans. E-STEER is Twin Disc's new approach to marine steering. Instead of countless yards of labor-intensive, leak-prone and expensive hydraulic lines, it connects the helm and hydraulic-powered rudder(s) electronically. Speed Sensing technology provides adaptive resistance.
Rolls-Royce to Equip ECO’s New Tugs
Rolls-Royce has signed a contract with Edison Chouest Offshore (ECO) worth more than $41 million to deliver propulsion and deck machinery for 13 new tugs, including five which will have a direct bollard pull of around 150 metric tons. The 13 tugs are being designed and built at Chouest-affiliated shipyards in the U.S. with support from Damen’s Technical Cooperation program. The five most powerful tugs will be 45 meters long and 17 meters wide, making them the world’s largest of their kind to date.
Twin Disc Dubuts Technologies at FLIBS
Twin Disc will introduce three new products at the Fort Lauderdale International Boat Show, November 3–7. Twin Disc's e-Steer Electronic Steering System provides a bold, new approach to marine steering. Avoiding the pitfalls of traditional hydraulic setups, the electronic helm is connected to the hydraulic-powered rudder(s) via wires, reducing leaks and loss of steerage. The e-Steer system features Speed Sensing technology. This provides helmsmen adaptive resistance, so the helm is firmer when at full throttle and lighter when maneuvering slowly.
Giant Cutter Dredger Gearbox Delivered
Customer approval in powertrain technology depends specifically and to a great extent on the reliability and robustness of the facilities and in particular on their individual components. These include the gearbox and gear wheels of the specialist transmission manufacturer, C u. W Keller GmbH & Co.KG (KELLER). The high customer requirements can be met by the custom made gearbox manufacturer Keller with its experience in the design and manufacture of gear wheels and gearbox that spans more than 100 years.
Rolls-Royce to Equip Five New Cruise Ships
Rolls-Royce has announced a new deal to provide propulsion and deck machinery to five cruise ships being built by Fincantieri at their Monfalcone and Ancona Shipyards in Italy. The firm orders are to supply a Promas system, deck machinery and steering gear to two vessels being built for Viking Ocean Cruises. The contract also covers steering gear and deck machinery for a further vessel under construction for Regent Seven Seas Cruises. Steering gear is also being provided for two vessels being built for Princess.
Interlake Steamship Bulk Carrier Repowered
The newly repowered M/V Herbert C. Jackson departed Fraser Shipyards in Superior, Wis., yesterday giving a farewell salute to the Twin Ports where it has been undergoing its steam-to-diesel conversion since December 21. As the last steam-powered ship in Interlake Steamship Company’s fleet, the conversion of the Herbert C. Jackson represents the final phase of the company’s decade-long modernization program to create the most efficient, reliable and environmentally responsible fleet on the Great Lakes.
Powerful New ATBs for Vane Bunkering
The bold blue “V” logo emblazoned on the green-banded white stack continues to proliferate on American waterways. Vane Brothers Company has been expanding its fleet with new construction. Recently the marine transportation company announced a contract for three ATB tugs to be built at the Conrad Orange Shipyard in Orange, Texas. Designed by Greg Castleman of Castleman Maritime LLC, based in Clear Lake Shores, Texas, the 110-foot by 38-foot tugs will be mated to 80,000-barrel barges designed by Bristol Harbor Group and being built by Conrad Industries of Amelia, Louisiana.
MN100: ZF Marine Propulsion Systems
ZF Marine supplies propulsion system components for yachts, defense craft, high-speed ferries, workboats and commercial vessels, in a power range from 10 to 14,000 kW. The product portfolio includes a comprehensive range of transmissions (reversing, non-reversing and hybrid), propellers POD-drive systems, steering systems and CANbus-compatible, electronic control systems, azimuth thrusters, tunnel thrusters, bow thrusters and sail drives. ZF Marine is a global leader in marine propulsion technology.
Wärtsilä 31 Engine to Power New Fishing Vessel
The Wärtsilä 31 four-stroke diesel engine has been chosen as the main engine for a new purse seiner/trawler being built by the Danish shipbuilder Karstensen Shipyard. The ship will be owned by Peter Hepsø Rederi AS based in Norway and will be the world's first fishing vessel with the Wärtsilä 31 engine. The contract with Wärtsilä was signed in September. In addition to the main engine, Wärtsilä will also supply the complete propulsion system comprising a two-speed gearbox, controllable pitch propellers, nozzle, the Wärtsilä Propulsion Control System and the shaft generator.
Cummins Delivers First QSK95 Engines
Manufacturer of diesel engines and generator sets for the marine industry Cummins Inc. said it recently delivered the first four QSK95 engines for a marine application, with four additional units to be delivered in December. The engines were delivered to longtime Cummins partner SEACOR Marine Holdings Inc. for installation into a 57-meter catamaran crewboat designed by Incat Crowther. “We are extremely excited to be working with SEACOR Marine to launch the first QSK95 marine engines,” said Jim Schacht, Executive Director - Marine Market, Cummins Inc.
MAN Commissions Siemens to Supply Two-speed Gearbox for Vessel
Siemens provides with an order from MAN out its expertise in the construction of switchable special gears. Flender two-speed transmission are individual, switchable solutions for displaying different operating modes for specialized vessels. Various translations in a transmission enable different rotational speeds and power transmissions. This makes them particularly suitable for ships which require an alternative drive as a redundant system or emergency system, are powered hybrid…
BUKH SOLAS Range Expanded with Volvo Penta Power
Volvo Penta and Danish manufacturer BUKH have entered into a partnership by which Volvo Penta will supply BUKH with diesel engines of up to 16 liter capacity for new propulsion solutions for lifeboats. The agreement between the two companies enables BUKH to extend its SOLAS engine range, and allows Volvo Penta to extend the use of its products in new applications. Lifeboat manufacturers will benefit by the increase in available power options and leveraging of comprehensive technology offered by the two companies.
WE's Direct-drive PM Shaft Generator Solutions for New Chemical Tankers
Energy efficiency solution provider WE Tech Solutions said it has received an order to deliver its direct-drive permanent magnet (PM) shaft generator solution to a series of two 17,500 DWT IMO class II chemical tankers, with an option for two more. The Switch, a technology specialist of megawatt-class PM machines for advanced marine drive trains, will deliver the PM shaft generators to be used in the solutions provided by WE Tech. The tankers will be built by the Chinese shipyard Taizhou Kouan Shipbuilding Co., Ltd. for Bergen-based Norwegian shipowner Rederiet Stenersen AS.
MN100: Karl Senner, LLC
Karl Senner, LLC is the exclusive North American distributor and service provider of Reintjes Marine Transmissions, Steerprop Azimuth Thrusters and EPD Electrical Systems. The firm supplies robust, industry-proven marine propulsion systems; all backed by an experienced factory-supported technical team, resulting in superior service. Karl Senner, LLC recently delivered Steerprop Azimuth Thrusters for the largest Z-drive inland towboats built in North America to date (for SCF Marine). The inland waterways have always been a major focus of business since the company’s inception in 1967.
Caterpillar to Power Stena Line's New RoPax Ferries
Caterpillar Marine has announced Cat power solutions have been selected to power four 3100 LM RoPax Ferries for Stena Line. Each ferry will be equipped with two MaK 12 M 43 C propulsion engines. “By combining a set of proven technologies Caterpillar’s solution will provide Stena Line the most fuel efficient ferries in the world and will set a new industry standard when it comes to operational performance, emissions and cost competitiveness, positioning Stena Line to support its customers in the next decades,” said Ulf Hannemann, cruise and ferry segment manager at Caterpillar Marine.
Vigor Delivers San Francisco’s New Fireboat
Vigor recently delivered an 88’ x 25’ x 14’ fireboat to the San Francisco Fire Department. The yet to be named vessel is the first fireboat to join San Francisco’s fleet in 61 years. Designed by Jensen Maritime and built at Vigor’s Seattle shipyard, the unique vessel is not only a firefighting tool but also a mobile pumping station powerhouse, the shipbuilder said. It’s capable of pumping millions of gallons of water directly from the Bay into the City’s Auxiliary Water System – a feature that will keep fire hoses flowing in the event an earthquake damages San Francisco’s water mains.
Klüber to Present New EALs at SMM
“Closer to you” is the motto, under which Klüber Lubrication will be presenting its latest environmentally acceptable lubricants (EALs) for ships and offshore installations at the SMM 2016. According to the manufacturer, all the EALs offer high-performance capacity and reliability under extreme conditions and comply with the requirements defined by the Environmental Protection Agency (EPA) for the 2013 Vessel General Permit and by current environmental standards. “Klüber Lubrication offers a complete range of EALs for all relevant applications on board a ship…
MN100: Reintjes GmbH
Founded in 1979, Reintjes GmbH is an independent propulsion technology company that manufactures thousands of gearboxes annually. More than 90,000 units have been supplied to customers worldwide. Over time, Reintjes has expanded its product portfolio of marine gearboxes for engine ratings from 250-30,000 kW. Its maritime applications include dredging gearboxes and step-up gearboxes as well as complex system solutions such as pod drives and hybrid drives. The company is positioned in all major markets globally through sales and service networks…
SCHOTTEL’s LEACON Certified Leak-free
Following a technical update, the SCHOTTEL LEACON system has now been certified by classification society DNV-GL as a leak-free sealing system for the oil-to-sea interface. This optimized version has already been integrated in the ongoing production. This means that SCHOTTEL drives with LEACON can still be operated in U.S. waters without the need to use bio-oils in compliance with the current VGP from EPA. SCHOTTEL LEACON is a service-proven system and has been used in its principal function since November 2009.
SC Fisheries Research Vessel Repowered
A fisheries research vessel operated by the South Carolina Department of Natural Resources (SCDNR), was recently repowered with new eco-friendly fuel-efficient engines from Volvo Penta. The vessel R/V Palmetto underwent an overhaul at the Metal Trades shipyard near Charleston, S.C., and was put back into service in July. As part of the overhaul project, the original 1980s-era diesels were replaced by a pair of new Volvo Penta D16 MH600 Tier 3 engines with ZF W650 gears. The installation also included electronic controls and a seven-inch display screen in the wheelhouse.
MN100: Thrustmaster of Texas, Inc.
Thrustmaster builds a complete line of Z-Drive azimuthing thrusters from 500 HP to 4,000 HP for the inland towboat industry specifically designed to endure the demanding conditions when operating in brown water. Using Z-Drives on towboats results in substantially improved fuel efficiency, shorter trip times, decreased maintenance downtime and higher customer satisfaction when compared to traditional shaft and rudder installations. All thrusters are developed in-house by a complete engineering department for mechanical, hydraulic, electrical and electronic design.
Eltorque Debuts New Compact Actuator
Eltorque, a Norwegian supplier of electric valve control, has launched a new super-compact valve actuator. “The market has requested a compact and cost-effective actuator for small valves and in tight spaces. With the QT50, Eltorque has responded to that request by developing the smallest actuator in its class, at 2/3 of the weight and 1/3 the volume of competing products,” said Eltorque CEO Arnstein Kjesbu. The most compact actuator Eltorque has ever offered, the QT50 still delivers the same performance as other Eltorque products: maintenance free…