Page 72: of Maritime Reporter Magazine (May 2016)

PROPULSION UPDATES

New Design: VectRA Series of Voith Tractor Tugs

The new VectRA 3000 Class Tug is a high perfor- ite shafts, rather than using the more traditional turbo mance VSP Tractor tug designed by Robert Allan Ltd coupling. This combination is smaller, lighter and less in close collaboration with Turkish shipbuilder San- costly than the traditional medium speed drive system. mar and Voith Turbo Propulsion, with performance The electrical plant consists of two identical diesel veri? ed via model testing. The propulsion arrange- gensets, each with a rated output of 86 ekW.

ment features high speed diesel engines connected All towing, ship handling, and escort work is per- to the Voith units via reduction gearboxes with inte- formed using a double drum escort winch and escort gral clutches. With a bollard pull of 70 metric tons, rated staple ? tted on the aft deck. One drum can store the VectRA 3000 form is designed to generate escort 710m of steel wire line, while the other stores 150m of steering forces in excess of 100 metric tons. Addition- synthetic towline. For increased operational ? exibility ally, the design has ? re-? ghting and oil recovery capa- radial type tow hooks are installed on the main deck bilities and is fully MLC compliant. The VectRA 3000 forward and aft.

was designed exclusively for Sanmar. The ? rst vessel As in a traditional tractor con? guration, the stern is in the series, the M/T Ares, built for Italian tug owner the working end of the tug, and as such features heavy

Tripmare S.p.A., was launched at Sanmar’s new Alti- duty cylindrical fendering with a course of ‘W’ fenders

Image: Robert Allan Ltd.

nova advanced shipbuilding facility in February 2016. below. Hollow ‘D’ fenders protect the sheer lines and

Unique for a VSP installation, the propulsion drive tie neatly into the ‘W’ fenders at the bow.

train comprises a pair of CAT 3516C high speed diesel The wheelhouse is designed for 360 degree visibility engines, each rated 2,525 kW at 1,800 rpm, and driv- and includes overhead windows. The split type con- ing Voith 32R5EC/265-2 cycloidal propellers. The en- sole is biased aft to ensure unobstructed visibility of gines are connected to the Voith drives through a pair the working deck (including the winch, staple, bul- of Reintjes WAF 863 gearboxes and Vulkan compos- warks and fenders) during operations.

ENOC TENMAT Crowley

Rudder & Stern Tube Bearings Marine Lubricants Third LNG-Ready Tanker Delivered

ENOC Marine is a business that supplies lubri- Crowley Maritime has taken delivery of Louisi- cants and provides technical support services to TENMAT, to keep ship owners up and running as ana, the third of four new, Jones Act product tank- the international marine industry. Headquartered in quickly as possible, is stocking its line of advanced ers being built for the company by Philly Shipyard,

Dubai, Marine Lubricants has an extensive portfo- marine bearings at its North American Distribution Inc. (PSI). The 50,000-dwt Louisiana is capable lio of application-based lubricants, each designed to Center in Delaware to better serve urgent repairs. of carrying 330,000-barrels of product. Crowley’s address the speci? c challenge of achieving optimum Base tubes of various lengths and diameter are now fourth product tanker is under construction at PSI, performance. ENOC’s marine lubricants division available in stock for immediate shipping, including with delivery planned for Q3 2016. Louisiana joins offers a comprehensive product portfolio to over overnight options. TENMAT has been manufactur- sister ships Ohio and Texas, which were received 80 ports across 16 countries. The divisions product ing composite materials for the marine market for by Crowley in 2015 as the ? rst-ever tankers to re- - STRATA marine lubricants - covers all types of several decades and supplied more than 8000 ves- ceive the American Bureau of Shipping’s (ABS) marine main engines along with a complete range of sels with high quality FEROFORM & RAILKO LNG-Ready Level 1 approval. The approval allows products which covers all the marine applications, bearings. Crowley to convert the tanker to lique? ed natural producing these products via a global network of TENMAT bearings are approved by all major gas (LNG) propulsion in the future. The tankers are lubricant blending plants, ensuring security of sup- Classi? cation Societies for use in stern tube and based on a Hyundai Mipo Dockyards (HMD) de- ply. ENOC Marine Lubricants distributor network rudder bearing applications in commercial ships as sign that incorporates numerous fuel ef? ciency fea- provides the local ? exibility and responsiveness well as military vessels and come with a 15 year tures, ? exible cargo capability and the latest regula- that many customers need. limited warranty. tory requirements. The vessel is 600 ft. long and is www.tenmat-marine-bearings.com capable of carrying crude oil or re? ned petroleum www.enoclubricants.com products, as well as various chemical cargoes.

Image: Tenmat

Image: ENOC

Image: Crowley 72 Maritime Reporter & Engineering News • MAY 2016

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