Ektank Chem Tankers to Sport Hybrid Propulsion
The Switch received an order from WE Tech to deliver its permanent magnet (PM) shaft generators to two 18,600 dwt chemical tankers currently under construction for Sweden’s Ektank AB. Sweden's Ektank AB is family-owned with a modern fleet of five chemical tankers in size ranging from 13,700 DWT to 17,000 DWT. The PM-based shaft generator is a powerful proposition for today’s cost and environmentally conscious shipowners. This deal is an example of how PM technology is set to revolutionize the maritime industry.
Dual-fuel Solution to Drive World's Mightiest Cutter Dredger
Wärtsilä said it has been contracted to supply a comprehensive package of engines and propulsion machinery for a new cutter suction dredger (CSD) vessel slated to become the world's most powerful and first ever to be fuelled by liquefied natural gas (LNG). The newbuild, Spartacus, is being built at the Royal IHC yard in the Netherlands on behalf of Belgium based Dredging International (DEME). The order with Wärtsilä, worth around $21 million, was booked in the fourth quarter of 2016. The 164-meter-long vessel will have a total installed power of 44,180 kW.
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…
The Switch Returns to Profitability
Advanced drive train technology specialist The Switch said it has seen a sharp jump in growth over last year, increasing its net sales from $43 million to more than $78 million, and returning to profitability after several years of losses. “The Switch financials finally started to improve briskly in the right direction,” said Dag Sandås, The Switch CFO. “We are no longer dependent on just one big client, but we have more clients in different parts of the world, from Asia to Europe.
WE Tech to Equip Ektank Vessels
WE Tech Solutions said it has received an order to deliver its permanent magnet shaft generator solution to two new 18,600 dwt chemical tankers with an option for another two. The tankers are built by China State Shipbuilding Corporation (CSSC) Chengxi Shipyard for the Swedish ship owner Ektank AB. WE Tech’s equipment delivery to Hudong Heavy Machinery Co., Ltd. will commence in October 2017. WE Tech’s solution is based on variable frequency drive technology (WE Drive) and the direct drive Permanent Magnet Shaft Generator.
Thordon’s SeaThigor up for Environmental Award
SeaThigor, the forward propeller shaft seal Thordon Bearings introduced to the market last year, has been nominated in the technology category of the Green4Sea awards, which will take place in Athens this April. Officially unveiled at Hamburg’s SMM exhibition, last September, the SeaThigor forward seal has been cited as “raising the bar in dynamic and static seal design”. It incorporates an ingenious secondary seal module to provide Safe-Return-To-Port capability in the event of a face failure of the primary seal.
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.
ABB: Propelling the Polar Cruise Boom
Leveraging its experience in the distinct polar and cruise vessel segments, ABB and its Azipod are at the forefront of the booming polar passenger vessel market. As world travelers continually seek access to more exotic and exciting destinations, evolving cruise shipping trends have triggered an order boom for passenger vessels capable of plying some of the most treacherous Arctic and Antarctic routes. Required for this class of ships is a range of equipment and technologies that enable safe and comfortable sailing through polar waters.
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…
ABB’s OCTOPUS for Torvald Klaveness vessels
ABB’s OCTOPUS marine software will be installed on three new Torvald Klaveness vessels to help them meet incoming emissions regulations. The OCTOPUS reporting software is compliant with the IMO Ship Energy Efficiency Management Plan (SEEMP) and supports future European Union Monitoring, Reporting and Verification (MRV) rules. OCTOPUS gathers information from onboard sensors and gives insight into key performance parameters, such as fuel efficiency, allowing Klaveness to optimize fleet-wide performance.
Moensi Extends MPR’s Blue Fits Service
Harold Moensi has joined the Maritime Propeller Repairs BV (MPR BV) team at its workshop in Drunen. A specialist in the blue fitting of propellers, Moensi has a wealth of experience, and is known throughout the industry for carrying out blue fits on propellers, rudders and conical shaft couplings. With Moensi now on the team, MPR said it is able to improve its offering with added expertise in this area. Blue fitting of propellers, rudders and conical shaft couplings is recommended by all class associations…
Corvus to Supply Energy Storage for Hybrid Chemical Tanker
Corvus Energy Inc. has announced that it has been selected as the supplier of the lithium ion based energy storage system (ESS) for a new hybrid chemical tanker being built for Rederiet Stenersen AS of Norway. The chemical tanker will be the first vessel of its kind to utilize an ESS for propulsion. Corvus Energy will supply its next generation Orca Energy ESS solution to integrate with WE Tech Solutions’ propulsion system, which will deliver industry environmental performance for this new vessel.
Magnetic Attraction: The Switch Targets Marine Growth
The Switch is targeting growth of 200 percent within the marine segment in the next five years, building on the momentum of a flurry of recent orders, its acquisition of Wartsila Drives and the financial muscle of its parent company, the EUR 3.3 billion turnover Yaskawa Electric Corporation. The Finnish headquartered business, a specialist in the development and supply of advanced drive train solutions, believes its permanent magnet (PM) and frequency converter technology can have the same transformational effect on marine as it has had in wind.
Wärtsilä,Tallink Ink Megastar Maintenance Deal
Wärtsilä has signed a five-year maintenance agreement with Estonia based AS Tallink Grupp for its new RoPax ferry M/S Megastar on the Tallinn - Helsinki route across the Gulf of Finland. Megastar, due to start operation on January 29, 2017, is powered by Wärtsilä dual-fuel engines which operate primarily on liquefied natural gas (LNG), to meet the requirements of environmental legislation. Under the agreement Wärtsilä said it will optimize the vessel's performance, enhance its availability and reliability, and improve financial predictability for the customer.
New Turbochargers from L’Orange
L’Orange - a leading German manufacturer of injection technology - has introduced a new range of high performance and efficient turbochargers for large industrial diesel engines used in the marine, offshore, industrial, power plant and rail sectors. This gives customers a single solution to engine performance only for diesel but also for gas and dual fuel engines according to Olav Altmann, Head of Sales at L’Orange. “High performance, low consumption, reduced emissions and good…
Eastern Selects MAN Engines for OPC
The US Coast Guard will have MAN’s 28/33D STC engines installed as the main propulsion for its new Offshore Patrol Cutter (OPC) programme. The programme is the replacement platform for the 13 ‘Famous’ class and 14 ‘Reliance’ class cutter vessels, making the order the largest vessel procurement order in the Coast Guard’s history. Lex Nijsen – Head of Four-Stroke Marine – MAN Diesel & Turbo, said: “We are very pleased to have won this major order within such a key, domestic market. It’s a breakthrough for us as this is the first time that the USCG has ordered MAN 28/33D STC engines.
REINTJES to Debut Hybrid Step-up Gearbox
Power train specialist REINTJES will kick off 2017 by demonstrating its new BAE HybriGen Zero system during the Electric & Hybrid Marine World Expo set to take place in Tampa, Fla. from January 16 to 18. REINTJES, together with its U.S. distributor Karl Senner, LLC, will highlight its recently developed hybrid step-up gearbox for retrofit,offers reduced operating costs, emissions and maintenance costs, according to the manufacturer. These customer advantages are made possible by a front-engine mounted gearbox combined with a permanent magnetic electric generator up to 300 kWe.
ABB Propulsion, Automation and Software for Five Cruise Ships
ABB will supply the complete power, propulsion and automation package for a series of new cruise vessels being built by MV WERFTEN for Genting Hong Kong brands Crystal Cruises and Star Cruises. The three Crystal Cruises’ luxury “Endeavor Class” mega-yachts will feature a Polar Class 6 and enable cruising in the Arctic; then follow the route of migrating whales along the coast of the Americas and Europe to Antarctica during winter. The Star Cruises “Global Class” vessels will be two of the largest on the market with 204,000 tons registered tonnage each.
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.
San Francisco’s New Fireboat is Like No Other
San Francisco’s Jensen-designed super pumping fireboat is like none that came before her. As a result, the City by the Bay is prepared like never before, for its next crisis. Christened on October 17, appropriately enough on the anniversary of the 1989 Loma Prieta earthquake, the city of San Francisco’s first new fireboat in almost 60 years is an especially unique boat, designed and built for a specific purpose. When the infamous quake burst the domestic water lines beneath San Francisco…
Delay Averted with Underwater Sterntube Renewal
Hydrex Underwater Technology has assisted an excavation vessel hemorrhaging oil from a stern tube seal entangled with steel wire to pass safely through the Panama Canal. The 156m long, Dutch-owned vessel was unable to make the canal transit until the propeller shaft seal had been repaired, potentially delaying operations and resulting in financial penalty for the owner. Antwerp-headquartered underwater ship repair specialist Hydrex, however, repaired the leaky seal allowing the vessel to continue without disruption to its schedule.
Tech File: Vesconite Rudder Bushings
South American river tugboats need robust rudder bushings: some 20 tug boats on the Parana River, running through Brazil, Paraguay and Argentina, have been equipped with Vesconite rudder bushings. In the challenging waters of South American rivers, tugboat owners began ordering Vesconite’s proprietary thermoplastic rudder bushings starting in 2014. Convinced that the material – which is wear resistant, self-lubricating, environmentally-friendly, requires no grease, and easy to machine and fit – was more suitable than the bronze that has traditionally been used in the application…
Kirkby Lindsey to be Exico’s ATEX Partner
Exico Electric Motors has appointed Kirkby Lindsey as its service partner for ATEX motors. As such it will undertake all modifications, servicing, repairs and warranty assessments for Exico’s explosion-proof motors. ATEX is the name commonly given to the European Directives for controlling explosive atmospheres, the name deriving from the French term atmosphères explosibles. They identify six zones, three each where explosive gases or dusts are likely to occur occasionally, frequently or constantly.
Polymer: An Alternative Bearing Material
Be it a mega yacht, workboat or ship, tremendous forces are put on warping rollers. Traditionally manufactured with bronze bearings that require regular maintenance and greasing, Vesconite is the modern polymer alternative that outclasses metallic materials, according to its manufacturer. Vesconite is self-lubricating and performs when dry or wet with seawater. Because it doesn't need grease or oil, it's environmentally friendly and complies with the EPA's Uniform National Discharge Standards. It provides low friction and zero stick-slip.
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…
Wärtsilä Helps Optimize Albacora's Fishing Fleet
Wärtsilä has signed a long-term Technical Management Agreement to optimize the performance of 10 of the Spanish company Albacora S.A.'s fishing vessels. The five-year agreement was tailored to meet the requirements of Albacora's fleet management, providing technical assistance and maintenance planning for fishing vessels operating around the world. Wärtsilä has previously provided Albacora with engines and propulsion systems as well as seals and bearings. The new agreement includes monitoring of the equipment as well as yearly audits…
Dellner Brakes Enters the US Marine Market
Dellner Brakes AB chose the 2016 International WorkBoat Show in New Orleans to launch its portfolio of technologically advanced braking solutions, including the world’s first fully automated, electrical ‘stop, turn, lock’ (eSTL) system, to the U.S. marine market. While Swedish-based Dellner Brakes is no stranger to the marine market, and its products are fitted in ferries, tugs, oil tankers, large military ships, multipurpose vessels, luxury yachts and cruise liners all over the world, its U.S. operation has traditionally focused on the industrial sector, operating through wholly-owned U.S.
Sea Trials Begin for Vessel Efficiency MOVE Project
Sea trials have begun on two Falmouth based pilot vessels which will provide data for the Innovate UK funded MOVE (Monitoring for Operational Vessel Efficiency) project. Rising fuel costs, emissions regulation and concerns about carbon emissions are severe challenges for marine vessel operators and their supply chains. Under the ‘Managing Energy on Marine Vessels’ Competition, the MOVE project is developing a novel solution to all three, initially targeting the commercial workboat sector.
SKF Canada Integrates Kaydon and Cooper Bearing Brands
Starting January 2 2017, sales and technical support responsibility for Kaydon and Cooper bearing brands will be assumed by SKF Canada Ltd. Kaydon and Cooper bearing operations were acquired by SKF Group in 2013. Until now, the sales in the Canadian market place has been managed by the master distributor Cooper-Grainger Canada Inc / Technical Bearing Sales Ltd.
Thordon Advises WOC on Operational Oil Issue
Addressing the more than 200 delegates at the World Ocean Council’s (WOC) fourth Sustainable Ocean Summit (SOS16) last week, Thordon Bearings advised representatives of international organizations, government agencies, industry and academia about the damage of oil-lubricated propeller shaft systems on the marine environment. Thordon Bearings’ Director of Marketing and Customer Service, Craig Carter, explained that the fleet of 45,000 oceangoing vessels that continue to operate…
Shallow-Draft Yukon River Tender
“If it works well, then why change it?” might have been the idea of the owner of a new Yukon River salmon tender building at WCT Marine’s shipyard at Tongue Point on the Columbia River near Astoria, Oregon. Owner R. Bodey had Tullio Celano draw up a set of plans from a vessel that he had owned some year before. He took these to Willie Toristoja and his crew at WCT Marine Construction, Inc in Astoria, Oregon where the steel hull and aluminum superstructure were well along by the end of November, 2016. The boat is designed to serve as a tender for salmon on the Yukon River.
Twiflex Releases Turning, Locking & Braking System Video
Twiflex Ltd. has introduced a new video that highlights its innovative turning, locking, and braking system (TLB) for marine propulsion shaft applications. The new reliable, multi-function TLB solution reduces costs, dimensional space, and installation and maintenance time. The video can be viewed on the Twiflex website (select TLB from the Products dropdown) or on Altra’s YouTube channel. The Twiflex TLB consolidates three usually separate interfaces and functions into one design package.
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.
Volvo Penta for Virginia Pilots Boats
The new boat being built for the Virginia Pilots Association joins the increasing number of pilot boats powered by Volvo Penta IPS. The 55-ft. vessel, designed by C. Raymond Hunt Associates and built by Gladding-Hearn Shipbuilding, will run on twin D13 900 hp U.S. EPA Tier 3 engines with IPS3 drives. “Stability, reliability, support, speed and efficiency – these are the five criteria that we used to select the engine for the new pilot boat,” said Frank Rabena, a 17-year pilot and chairman of the Association’s pilot boat committee.
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…
AME to Showcase Windrock’s New 6400 Diesel Engine Analyzer
For the eighth year in a row Advanced Mechanical Enterprises (AME) will be showcasing at the International WorkBoat Show (IWBS), the largest commercial marine tradeshow in North America serving people and businesses working on the coastal, inland and offshore waters. AME will exhibit an array of services and products they provide and distribute, including Wartsila PSE shaft seals and Envirosafe Composite Bearing material. To coincide with Windrock’s recent launch of their new 6400 Diesel Engine Analyzer, a model will be on display for viewing.
WE Tech Expands Into Australia
WE Tech Solutions (WE Tech), an energy efficiency solutions provider in the marine industry, and The Switch, a technology specialist of permanent magnet machines for advanced marine drive trains, have been chosen to deliver their permanent magnet shaft generator solution to Australian Toll Shipping for a series of two 12,000 dwt RORO vessels. The Sinotrans & CSC affiliated Jinling Shipyard in China will build the ships. Delivery of advanced equipment solution from WE Tech and The Switch will commence in August 2017.
WE Tech Shaft Generator Solutions for Stena ROPAX Ferries
WE Tech said it has received an order to deliver its permanent magnet shaft generator solutions to a series of four fuel efficient ROPAX ferries, with an option for another four. The vessels are to be built for the Swedish shipping company Stena RoRo at AVIC Weihai Shipyard Co., Ltd. in China. The four initial vessels will be operated by Stena Line within its route network in Northern Europe. “WE have developed the most energy efficient shaft generator solution to reduce the fuel consumption, operational costs and environmental footprint.
MAN Diesel & Turbo Sells First HyProp ECO System
MAN Diesel & Turbo announced that it has secured an order for a complete propulsion package for a chemical tanker. The order is significant in that it marks a “world-first”: the package is the first to feature a full HyProp ECO fuel-saving, hybrid propulsion system with PTO/PTH. The system will be employed aboard a 7,500-dwt stainless-steel chemical tanker ordered and operated by IÇDAŞ Çelik Enerji Tersane Ve Ulaşim Sanayi AŞ in Turkey. The propulsion package also features a MAN 6L32/44CR common-rail main engine…
SNAME Honors Thordon's Sandy Thomson
At the opening session of the 2016 SNAME Maritime Convention in Bellevue, Washington, George A. (Sandy) Thomson was elected a Fellow of the Society of Naval Architects and Marine Engineers (SNAME). This is quite an honor for Thomson who has a long family history in the maritime industry. Thomson’s great, great grandfather was a deep sea captain sailing the Great Lakes before becoming a lighthouse keeper; his uncle was head of Shell Canada when Shell maintained a fleet of steam powered tankers operating on the Great Lakes…
New Tall Ship to Feature Hybrid Propulsion System
The San Francisco Bay Area nonprofit, Educational Tall Ship Program has ordered a 100kWh energy storage system (ESS) from Corvus Energy as a part of a hybrid electric propulsion system on board its new, 132-foot Brigantine tall ship, the Matthew Turner, which is currently under construction in Sausalito. The Educational Tall Ship Program together with a sister organization, Call of the Sea, are both dedicated to utilizing tall ships to provide on-the-water education for local students, including classes in sailing, marine ecology and maritime history.
Oil to Water: Impala Tugs Undergo Conversion
The first four of 15 Impala Terminals Colombia-operated tug/tow boats have been converted from oil to water-lubricated tailshaft bearings. Impala Zambrano, the first of 15 triple-screw and twin-screw push boats scheduled for oil-to-water conversion, was retrofitted in July 2015 with a Thordon RiverTough bearing and TG100 shaft seal combination. Three triple-screw and one twin-screw pusher vessels have since been converted and Thordon’s Colombian distributor Delta Marine and River Services will now work on the next vessels in the series.
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.
Louisiana Cat: A ‘Gold Level’ Cat Propulsion Dealer
Erika Hamrick, Cat Marine Regional Sales Manager Americas officially recognizes Robert “Bobby” Webb, CEO at Louisiana Cat as the first Cat Propulsion Dealer in the Americas (left) Official document signing at the Reserve, La headquarters by Erika Hamrick and Bobby Webb. An official signing of the Cat Propulsion Dealer Agreement with Louisiana Cat commenced on August 22, 2016. Louisiana Cat has become the first Caterpillar Dealership in the Americas to reach all requirements for training and technical sales and support to become a Gold level dealer for the full line of Cat Propulsion equipment.
New Tractor Tug for Jones Marine Group
Steady, smooth, powerful, highly maneuverable: these were comments from mariners on board for sea trials of Jones Marine Group’s new tractor tug, David J. The new workboat was put through its paces in fine form. The boat is an A.G. McIlwain-designed 53 by 26.5-foot handy-sized tractor tug with a hefty14-foot molded depth. The beam offers remarkable stability, while the length allows the tug to work in tight spaces. Built by Sylte Marine of Maple Ridge for Jones Marine Group Ltd, of Chemainus, it is, as company president Daryl R.
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.
Hornblower Flagship Retrofits with Thordon's Shaft Seals
Thordon Bearings’ US West Coast Distributor, Pacific Marine Equipment has successfully completed the installation of a pair of TG100 mechanical propeller shaft seals to Hornblower Cruises & Events’ 1000-passenger capacity twin screw flagship, Inspiration Hornblower. Hornblower, one of the leading river cruise operators in the U.S., operates a fleet of 70 sightseeing and dinner cruise vessels in several cities across the Golden State, the United States and Canada. Todd Terry, President, Pacific Marine Equipment, Thordon Bearings’ U.S.
Honda Marine Debuts New 4-stroke Engines
Portability, performance and reliability are the hallmarks of Honda Marine’s new and redesigned portable engine models, the BF4, BF5 and BF6 4-stroke outboards. Honda Marine debuts new engines with the BF4 and BF6 models, and redesigns the legendary BF5 models. Packed with the latest technology from Honda, the 127cc 4-stroke, single cylinder engines offer boaters the choice of four horsepower (BF4), five horsepower (BF5) or six horsepower (BF6). All three new engines are available with either a short (15 inch/38 cm) or long (20 inch/51 cm) shaft.