Page 49: of Maritime Reporter Magazine (January 2018)

Cummins-powered Daisy Mae

Triple-Screw Tug for the Hudson River “The Daisy Mae is the closest you can get to Z-drive maneuverability, with- out the cost of Z-drive,” maintains her builder Joseph Rodriguez of Rodriguez

Ship Building Inc. in Bayou LaBatre,

Alabama.

Rodriguez has designed and built a lot of tugs over the years and doesn’t make this claim lightly. Further more he backs it up with his description of the beamy 82 by 32-foot tug that his yard delivered to Coeymans Marine Towing. This is one of the Carver group companies based at the Port of Coeymans 110 miles up the

Columbia River from New York. The triple-engined boat is powered by a port and starboard tier 3 compliant Cummins

QSK38 engines each delivering 1,300

HP at 1800 RPM and a center-line, tier 3 compliant Cummins QSK19 for an ad- ditional 750 HP at 1800 PRM. The two outside engines turn Kahlenberg stainess steel four-blade Kaplan style 75.25 by 80-inch propellers through Twin Disc gears, while the centerline engine is ? t- ted with a 65.25 by 72-inch propeller with a similar con? guration.

Shaft brakes have been installed all three safts to allow rapid shifting fore and aft. All the propellers are ? tted with style ? anking rudders will give the op- load line vessel she has been stability station all manufactured by SIMRAD.

Kort nozzles to enhance their thrust by erator of the new tug a lot of options for tested and she is Sub-chapter M compli- There are also three radiophones, a sat as much as 32% for a bollard pull of 47.5 maneuvering in the river currents or tight ant including all required ? re suppres- phone, and a bridge monitoring system. tons. harbors when towing, pushing or on the sion systems. Electrical power is provided by two

With a maximum draft of only ten hip of barges. Accommodation is provided for a crew Cummins QSB7-DM powered 60 kW feet, the Daisy Mae will work comfort- For pushing, the tug is equipped with of ? ve: captain, mate, engineer, and two generator sets.

ably along the Hudson River. With her a second, elevated aluminum pilothouse deckhands. Tankage includes 33,000 US Speaking of the new 3,350 HP Daisy model bow, she has better sea keeping with a 41-foot above the water-line eye gallons of fuel, 8,000 gallons of water, Mae, which was delivered in October of abilities than a conventional riverboat. level. While for towing, a Markey tow- 500 gallons of lube oil, 1,000 gallons of 2017, the owner’s representative said,

At the same time, she has riverboat ma- ing winch, with 2000 feet of 1.5-inch waste oil, and 1,000 gallons for zero dis- “Rodriguez Ship Building. has turned neuverability with tow ? anking rudders wire, is mounted on the aft deck. charge provisions. out a quality vessel in a short time frame. on both the two outside props. The com- A pair of Patterson 40-ton deck winch- An extensive set of wheelhouse elec- His employees show pride in their work bination of powerful port and starboard es is mounted aft for making up to push. tronics includes two Halo 4-pulse com- in every aspect of this build and it has engines with Kort nozzles on a beamy Although built in the south, she is built pression radars, 16-inch touch-screen exceeded our expectations from a ship hull, together with the shaft brakes, foil- for the north with heavy ice strengthened chart display, satellite compass, AIS, builder and has added a new vessel for shaped steering rudders, and towboat frames and plating forward. As an ABS autopilot, depth sounder, and weather our ? eet.”

Schottel Pump Jet for RV

The 28-year-old Aranda is the ? rst research vessel and provides maximum half a meter.

Finnish vessel to be modernized with a thrust over the full 360° range, with no re- The resilient mounting means that the diesel-electric hybrid propulsion system. sistance, even in shallow water. steel and cast-iron structure of the Pump

The 59.2 x 13.8 m ice-going research ves- Being built at the Finnish shipyard Rau- Jet is completely isolated from the ves- sel is to be ? tted with a 3 MW generator. ma Marine Constructions, the Aranda is sel’s hull, thus eliminating high-frequency

While the conventional shafting is being owned by the Finnish Environmental In- excitations. In addition to extremely quiet retained, an electrically powered Schottel stitute and is intended for year-round re- operation, this property is a prerequisite

Pump Jet (SPJ) of type SPJ 132 RD will search and surveying missions. Besides for undisturbed seismic measurements, be installed as a new auxiliary propulsion the propulsion assistance provided by the which will be one of the many tasks of the unit. It features an input power of 400 kW, auxiliary drive, the SPJ is also used for research vessel.

is installed ? ush with the bottom of the dynamic positioning with an accuracy of www.twindisc.com

Schottel Cummins/Alan Haig-Brown www.marinelink.com 49

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