12 metre commercial D-tube RIB
Italian workboat builder Stem Marine has expanded its range upwards with the introduction of a new 12 metre design that is adaptable for many patrol and emergency roles.
Based on a RIB hull, this new design has a wide variety of options that enable the design to be tailored to an operator’s requirements.
The hull is a deep vee with a multi-chine arrangement at the bow that should offer good performance in adverse conditions. The tube is a D-section closed cell foam tube with a high resistance polyurethane coating, whilst the hull is constructed from a mixture of glass and Kevlar using a vinylester resin. The boat is available as an open walk around cockpit concept or with a full enclosed superstructure.
An ambulance version has a forward wheelhouse matched to an aft section that serves as a mini-hospital area to deal with casualties. Stem Marine has developed a variety of casualty recovery systems that facilitate the recovery of casualties from the water as well as their Mast 15 cushioned support system for holding casualties.
A variety of powering options are available for the Stem 12 metre. These include diesel engines up to twin 450hp matched to Hamilton water jets, stern drives or IPS drives matched to similar diesels or twin or triple outboards. For a fire fighting role a diesel power pump can feed 4800 litres per minute to a fire monitor mounted on the foredeck with a 500 litre foam tank built into the hull. A sprinkler system can also be incorporated to protect the boat close to a fire.
In a similar way that there are options for most aspect of the boat there is a similar range of options for navigation and communications equipment. In the wheelhouse sprung seating is provided for the helmsman and crew and heating and air-conditioning are further options.
Stem Marine probably offers more options in the design and outfitting of this new 12 metre design that any other builder. This enables a boat to be tailored exactly to the requirements of the operator and the company concentrates on the emergency and para-military roles for their boats that currently range in size from 4.6 metres up to the new 12 metre.
By Dag Pike
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