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Superyacht technology AntiRoll stabilising
system for superyachts After two years of development DMS brings its stabiliser to market
Words robert Wielaard
the antiroll system displayed at its launch party
arnold van aken of dMs
systems. The manufacturer has patented the system that Reint Dallinga, senior project manager and seakeeping knowledge coordinator at MARIN, describes as ‘unique’. He delivered a
paper on test results of both conventional and apping stabiliser ns to the 2014 HISWA International Symposium on Yacht Design and Yacht Construction.
Novel n design
AntiRoll introduces a radically di erent n, one that ‘ aps’ 35° up and down o a small horizontal cylinder on the
hull. When not in use, the n folds up, ush against the
hull. For sailing yachts, DMS recommends recessing the cylindrical housing halfway into the hull to reduce drag. On motoryachts, says DMS, the AntiRoll’s high-aspect
For boat designers and builders everywhere, the search for comfort and stability is an unrelenting quest. A
key player in that search for stability at sea and anchor is Arnold van Aken. His moment of glory capped two years
of hush-hush research that began with him tinkering
with barbecue skewers and Lego bricks, and ended with a heart-felt promotion of his roll damping system to a senior member of Feadship at METS in 2013. When he was done, the Feadship man told van Aken, ‘that’s exactly what we need!’.
Less than a year later, in September 2014, Dynamic Marine Systems BV (DMS), the engineering company
of van Aken and his partner Patrick Noor, unveiled its AntiRoll stabilising system for superyachts. Breaking new
ground, it features a curved, retractable, high-aspect steel n that both rotates and aps up and down much like the pectoral ns of a whale.
The rst AntiRoll system
is set for a 37m Van der
Valk Continental III Trawler.
The second, says DMS, is a candidate for a 50m Feadship that is due for a re t in early 2015. “It is our thinking that in about ve years’ time, half of
all new-built superyachts may well come equipped with the AntiRoll system,” says van Aken.
A new chapter
The system is for yachts of 30m and longer. Its development opens a brave new chapter for a company that in recent years made its mark in small yacht damping with the electrically- driven, non-hydraulic RotorSwing for yachts up to
30m. The company won a 2013 DAME design award nomination for the RotorSwing and is marketing the AntiRoll system for both sailing and motor yachts of between 30m-80m.
It has elicited warm endorsements, notably from the Maritime Research Institute Netherlands (MARIN), which
has been experimenting with roll damping solutions since
the early 1990s. The AntiRoll system is based on work at MARIN, the independent Dutch centre for applied scienti c research (TNO) and Delft University of Technology. DMS says towing and model tests, as well as experts, have con rmed the AntiRoll system delivers better performance, both in terms of stabilisation and low resistance through the water. It says the latter makes AntiRoll ‘greener’ than competing
14 www.SUPERYACHTBUSINESS.NET | DECEMBER 2014
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