16 Maritime Reporter & Engineering News
The 45.9 ft. (14 m) catamaran RSS
Scirocco has been built by South Boats'
Special Projects Division to operate
around the U.K. coastline supporting
and servicing the inshore and offshore
wind farm structures.
The vessel is powered by twin Scania
DI9 55M 420 hp engines driving twin
UltraJet 376 waterjets, providing a
design speed of 24 knots sprint, with an
18 knot service speed.
Ben Colman, Sales Director, reports
that Ultrajets were chosen because of
the increased maneuverability and the
ability to hold station while work was
carried out. This was a key requirement
when servicing offshore wind farms
especially in very rough sea conditions.
RSS Scirocco is fitted with a Kobelt
multi-station electronic steering, throttle
and bucket control system, tailored to
the application with independent control
over each waterjets steering and posi-
tion, selected by various control modes
from the main helm position. The
waterjets can be serviced quickly and
easily without dry-docking the boat, an
important issue when a vessel is operat-
ing in an area where there are no facili-
ties to undertake extensive repair work.
"During sea trials the boat performed
faultlessly and proved the hulls compat-
ibility to the UltraJet unit and speeds.
Performance and manoeuvrability were
well above expectation," said Coleman
The vessel is fitted with an Island
wheelhouse with flying bridge and
observation deck atop. It will be paint-
ed marine international safety orange
while the hull and ring deck are to be left
in a bare aluminium finish.
The scantlings of the vessel have been
substantially constructed by South Boats
to take into account the vessels opera-
tion. It is fitted with a central helm,
sophisticated electronic navigation
equipment, Kobelt electronic steering,
with throttle and UltraJet bucket con-
trols directed towards the helmsman's
position. The wheelhouse is fitted with
KAB seating for 12 passengers, plus
crew.
On deck is a Palfinger Marine
PK4501M foldable crane. Code named
SCC001, the vessel is a first of class
new build for the newly formed South
Boats Special Projects Division. The
vessel marks a significant milestone in
the company's history and is the smaller
of the two new aluminium vessels that
have been designed and entered into the
company's sales portfolio.
Circle 10 on Reader Service Card
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News
Twin UltraJets for New Offshore Wind Farm Boat
RSS Scirocco Main Particulars
Length, oa. . . . . . . . . . . . . . . . . . . . .45.9 ft. (14.3 m)
Length, hull . . . . . . . . . . . . . . . . . . . . .42.6 ft. (13 m)
Breadth . . . . . . . . . . . . . . . . . . . . . . . . .20 ft. (6.1 m)
Draft . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.3 ft. (1 m)
Displacement . . . . . . . . . . . . . . . . . . . . . . .16,000 kgs
Diesel Engines . . . . . . . .2 x Scania DI9 55M 420 hp
Waterjets . . . . . . . . .2 x Ultra Dynamics UltaJet 376
Design Speed . . . . . . . . . . . . . . . . . . . . . . . .24 knots
Service Speed . . . . . . . . . . . . . . . . . . . . . . . .18 knots
AC Electrics . . .HFL RIZ8.5KVA50 8.5Kva Ranger
Deck Crane . . . . . . . . . . . . . . . . . . . . . . . . .Palfinger
MR NOVEMBER 2005 #2 (9-16).qxd 10/28/2005 9:23 AM Page 16
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