Page 56: of Marine Technology Magazine (October 2019)
Ocean Observation: Gliders, Buoys & Sub-Surface Networks
Tech Files Research Vessel Tech
Greenland RV Picks MAN
The Astilleros Balenciaga S.A. shipyard in Spain ordered a a diesel-mechanical set-up with the 27/38 acting as main pro- complete MAN propulsion package – including MAN 27/38 pulsion and the MAN 175D and D2862 engines as auxilliary and 175D engines, a ? ve-blade MAN Alpha propeller and gensets. The 175D and D2862 will receive double-resilient both remote-control and MAN HyProp systems – in connec- mounting to comply with the vessel’s SILENT F notation. tion with the construction of a research vessel for the Green- Similarly, the fully integated MAN HyProp ECO frequency land Institute of Natural Resources. drive for DE operation system will control the rotation of the
The 61m, ice-class trawler is designed by Norwegian com- ? ve-bladed Alpha propeller. Notably, both auxiliary engines pany, Skipsteknisk. are double-resilient seated.
Delivery of the propulsion package is scheduled for Q1 2020 The DNV-GL’s SILENT class is the ? rst set of rules for un- with the vessel expected to enter service from spring 2021. derwater noise emission from vessels ever published. It pro-
MAN Energy Solutions further reports that a large number of vides owners of acoustically-sensitive vessels with concise, ? shing vessels featuring a Skipsteknisk design are currently realistic criteria regarding underwater noise-emissions. It also under construction, of which 18 feature MAN propulsion gives environmentally-conscious owners an opportunity to packages. demonstrate a low ecofootprint. Compliant ships are given
MAN Energy Solutions reports that the vessel’s propulsion the SILENT notation with an additional letter denoting a par- package has been assembled with a special focus on mini- ticular segment. In the case of the new research vessel, ‘F’ is mizing noise. As such, the research vessel will be driven by reserved for vessels engaged in ? shing.
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