Page 45: of Marine News Magazine (February 2023)

Power & Propulsion

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Products 2 1 3 In-Mar Solutions VETUS Survitec Oscar Propulsion 4

Kongsberg Maritime 5 slide, ensuring a safe, rapid and com- 1. VWC Series Windlasses fortable descent, Survitec said. There is

The VWC Series windlasses are de- signed for automatic vertical handling no restriction on the size of individual users, and crew can ascend the slide of chain-only anchor rodes while of- fering an independent capstan for to assist passengers if necessary. Fully the retrieval of a secondary rope and enclosed single and double helical slide chain rode or to assist with docking options are available in an asymmetric arrangement. The Life Ark comprises procedures. Classi? cation society ap- self-righting approved liferafts for 50, cess Royal, a 19m research catamaran proval is available.

100, 150 persons, with SOLAS A, B operated by Newcastle University. https://vetus.com/usa/maxwell/ and HSC emergency packs.

And last year, CFD Finite Element (FE) propeller stress tests were com- 2. In-Mar Solutions: 4. PressurePores pleted in accordance with DNV rules.

Alu Pilot Chairs & Deck Rails

In-Mar Solutions offers a complete Oscar Propulsion and the University 5. Type ULE PM Thrusters line of Alu Design & Services Marine of Strathclyde have found a way to re-

Pilot Chairs and Deck Rails. There is a duce underwater radiated noise from Kongsberg Maritime has launched a standard line in addition to the option ship propellers. The patented Pres- new series of retractable azimuth thrust- for custom designs to suit speci? c needs. surePores system is said to reduce pro- ers. The units, of the ULE PM type, are

Sleek, modern design and maximum peller tip vortex cavitation by applying smaller than competing units but main- a small number of strategically placed tain thrust power. Kongsberg Maritime utility and comfort are emphasized. holes in the propeller blades. The ad- said that because of their compact size, www.inmarsolutions.com dition of these pressure-relieving holes the new thrusters could be used on allows ships to operate with a more si- modern offshore wind, ? shing, and na- 3. Life Ark

Life Ark, Survitec’s new helical slide- lent propeller. Following four years of val vessels with limited space on board. based marine evacuation system (MES) computational ? uid dynamics (CFD), “The ULE PM type thruster has an in- for small to medium-sized passenger modeling and cavitation tunnel tests tegrated electric prime mover mounted vessels has received full-type approval during the solution’s development very low between the steering gear. This from Bureau Veritas. Designed for phase at Strathclyde, the solution was saves more than a meter in vertical space vessels with a freeboard height of up shown to reduce cavitation volume by in an engineering compartment. The to 23m and passenger capacities rang- almost 14% and URN by up to 10dB. ULE PM Type is the smallest retract- ing from 300 to 1,500, Life Ark uses a Results were further veri? ed in tests on able unit on the market for any given fully enclosed, dry-shod helical (spiral) the sub-cavitating propellers on Prin- power requirement,” Kongsberg said.

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Marine News

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