Page 51: of Marine News Magazine (July 2012)

Propulsion Technology

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the right choice. The reduced downtime brings even more savings, plus it?s just so much easier to use?the deckhands all prefer the YoYo.? Patterson has also introduced another version; the 40-ft. YoYo. The 40-ft. capacity YoYo is a larger version for tank barges, offering 40 ft. of takeup, so it?s the right choice for tank barge connections. It also uses a brake to help control the winch. Grapes says, ?We picked up some new users this year, and all reports from the customers are excellent.? He added, ?There are more new developments coming for the YoYo in the near future. We?re taking the new design into beta testing by the end of June, and we?re hoping to introduce the innovations in December.? SLM CORPORATION ?S M-2000 CAPSTAN The Superior-Lidgerwood-Mundy Corporation (SLM Corp.) came to be as the result of the combining of three companies who were engaged in similar activities. The Lidgerwood Manufacturing Company (Est. 1873) was originally located in Brooklyn, NY. Subsequently, additional plant facilities were necessary and, as a result, Lidgerwood purchased the Superior Iron Works of Superior, WI, and Mundy Hoisting of Newark, NJ. Now all manufacturing and administrative activities of Superior-Lidgerwood-Mundy are accomplished at Superior, WI, which has over 65,000 sq. ft. of manufacturing and warehouse space. Over the last 10 years, it became apparent that the Commercial Field (Tugs, Barges, Docks) could greatly bene t from their years of experience dealing with government equipment. To meet this growing need, SLM branched out to develop the M-2000 Capstan to provide a low cost, quiet, and reliable capstan that utilizes cutting edge cycloidal and bevel gearing technology. This technology allows the capstan to perform at 94% ef ciency and 300% shock load capacity, which surpasses other gearing methods. The innovative capstan design provides users with the enviable combination of high performance and low cost. M-2000 Series Capstans feature the latest high performance right angle drives which can maintain a very high ef ciency over a wide range of ratios. Often this allows the capstan to give more line pull with less horse power than traditional worm and spur drives. This translates into performance and cost combinations, which until today were unavailable in the marketplace. The M-2000 Series Capstans are available in three basic sizes, with over 50 capstan models providing a variety of head size and horse power combinations, allowing you to select the load, speed, horse power, and head diameter that best  ts your own speci c capstan application. With the success of the M-2000, SLM developed the commercial division, launched in January of 2012. This division specializes in the M-2000 Capstan, M-2000 Gypsy Winch (introduced in June of this year and intended to be in production by year?s end), Standardized Winch offerings, Tow Haulage Systems, In-Haul Systems, and Custom Design Build Deck Equipment. With a new website set to launch at the beginning of this month, SLM served notice that they stand poised to meet the commercial requirements for current and future commercial business partners. Anything but new to this game, SLM will nevertheless provide a new course to steer for the commercial marine sector, especially where newbuild and retro t winch requirements are concerned. Capstan Starting Loads: 6,330 lbs. to 21,000 lbsCapstan Running Loads:3,150 lbs. to 10,500 lbs.Speeds:24 feet per minute to 101 feet per minuteCapstan Head Diameter:9 inch, 12 inch or 15 inchCapstan Bollard Pulls:25,000 lbs., 35,000 lbs., 50,000 lbs.Motors:5 HP to 15 HPElectrical:Standard or explosion proof availableStandard Electrical:208/230/460 Volt, 3 phase, 60 Hertz M-2000 Capstan Specs: SLM?s Single Head Gypsy winch MN 51www.marinelink.com MNJuly2012 Layout 50-58.indd 51MNJuly2012 Layout 50-58.indd 517/10/2012 12:55:38 PM7/10/2012 12:55:38 PM

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