Page 68: of Maritime Reporter Magazine (December 2015)

Tech Alerts

Wärtsilä Propulsion for

Antarctic Icebreaker

A new Polar Logistics Vessel be-

Wärtsilä Transverse Thruster ing built for Terre Australes et Ant- arctiques Françaises (TAAF) and the French Polar Institute (IPEV),

Laser Scanning and which will be operated by the

French Navy, is to be powered by

Historic Vessel Gets

Wärtsilä propulsion solutions.

The ship has been contracted the Laser (scan) by Chantiers Piriou (Concarneau,

France), based on a concept de-

The original Mohican, in service from 1894 sign issued by Marine Assistance to 1907, was a 93-ft. wooden hull vessel. The ship was replaced in 1907 by a steel-hulled ves- (France) and is scheduled to be sel christened the Mohican II in the summer of delivered in the ? rst half of 2017. 1908, thus beginning the ? rst of her 107 years

The 72-m polar logistics and pa- of continuous service on Lake George. This trol icebreaker vessel will carry naming convention also began the custom of out its ? rst supply mission to the reusing names of former lake boats, which sur-

Dumont d’Urville station in Ant- vived until the construction of the Lac du Saint arctica in winter 2018. The stain-

Sacrement in 1989.

Originally, the Mohican’s two propellers were less steel propellers to be supplied driven by Fletcher steam engines, the steam by Wärtsilä conform to the Bureau being generated by the burning of two tons of

Veritas (BV) icebreaker 5 ice class coal each day. She proceeded under steam rules.

power through the World War II years, at which

The full scope of supply com- time she was the only passenger vessel plying prises four in-line Wärtsilä 20

Lake George. When Wilbur Dow purchased the main engines, two Wärtsilä stain- ganization’s (IMO) Tier III emission regulations.

Steamboat Company in November of 1945, he determined that diesel would be a more ef? - less steel CPP propellers and shaft lines, two Wärtsilä

The ship will have accommodation for 60 persons, a cient means of propulsion and that the conver- reduction gears, four Wärtsilä NOR emissions after cargo capacity of 1,200 metric tons, and is ? tted with sion to diesel engines would free large areas treatment systems, and one Wärtsilä tunnel thruster. a helideck large enough to accommodate two helicop- on the Mohican’s second deck for passenger

The Wärtsilä NOR (NOx Reducer) systems will enable ters. The Wärtsilä equipment is planned for delivery in usage. The conversion was completed in 1946. the ship to comply with the International Maritime Or- mid-2016.

In June 2008, the Mohican was placed on the

National Register of Historic Places, the third active passenger vessel to be so designated.

In May of 2015, the Mohican began her 107th year of operations on Lake George.

As part of the efforts to preserve the historic vessel and ensure the ship can continue to run

Digital Alpha ChartTable for years to come, API Services laser scanned the Mohican’s hull, offerinf sub-millimeter accu-

JRC and Alphatron Marine announced a new racy ranging from range 1 meter to 180 me- digital AlphaChartTable, comprised of a 46-in. ters. In the course of one afternoon, the Mohi- touch display where routes can be planned on a can exterior was fully digitized. A 3D model of more realistic ‘paper chart’ scale.

the hull shell plate will be generated from the digitization and provided to the naval architects

By use of the digital chart table, navigators are at Dejong and Lebet, Inc. to help create draw- now given an intuitive and user friendly inter- ings for the rip out and replacement of the origi- face to plan optimal routes by touch operation. nal hull plating.

The software gathers and overlays the data of-

New York’s Lake George Steamboat Company recently commis- ? cers require, including ENC’s, weather data, sioned API Services to laser scan the hull the oldest boat in its ? eet, tidal information, digital publications, and other the 107-year-old Mohican.

services like piracy updates – all on a single 46- inch display.

The console is designed as a natural ? t to ex- isting bridge designs. The display can be elec- tronically tilted to a 35-degree angle, allowing optimal routing in the most ergonomic position.

In addition to the AlphaChartTable powered by

NAVTOR, the console has a built-in Navtex and

GPS navigator, while at the same time leaving

Image: API Services Image: API Services room for the paper chart for back up purposes. 68 Maritime Reporter & Engineering News • DECEMBER 2015

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