Guardian from Tinn-Silver

07 Feb 2017

For the German police boat a large wheelhouse is fitted and this has doors at both the aft and forward ends

For the German police boat a large wheelhouse is fitted and this has doors at both the aft and forward ends

Dutch boat builder Tinn-Silver has developed a new larger design of small workboat called the Guardian.

The prototype of this new design has been built for the German Police and will be used for patrolling inland waterways. Constructed from aluminium like all of the Tinn-Silver products this 8.70 metre long design follows the trend of all of the Tinn-Silver boats in being both functional and practical.

The design is based on a moderate vee hull that is a balance between efficiency and seaworthiness. The hull is constructed from 5 mm seawater resistant aluminium and like all Tinn-Silver designs they can be full customised above the waterline. For the German police boat a large wheelhouse is fitted and this has doors at both the aft and forward ends for easy access. This fore and aft access allows the wheelhouse to be installed as a full width unit, avoiding the need for a walk-around deck.

The deck layout gives a small cockpit forward and a larger one aft with the engines under a raised section at the stern. The hull is fitted with heavy duty fendering and there is a towing post aft. An electric bow thruster aids the manoeuvrability.

The police version is powered by a pair of 300 hp Yanmar diesels and these are installed with a vee drive gearbox arrangement which allows the engines to be mounted aft to give maximum space inside the boat. The Guardian is also offered with stern drive propulsion as an alternative compact drive solution. Speeds of up to 40 knots are possible.

The wheelhouse has large windows to give maximum visibility and at its aft end there is provision for a compact toilet and cooking facilities for comfort on long patrols. A small Garmin radar is installed with the antenna on the wheelhouse roof along with twin spotlights and the radio antenna. These antennas are designed to fold down to allow the boat to negotiate low bridges.

The Tinn-Silver range of aluminium boats extends to 21 models ranging is size from 3 metres up to the 8.7 metre long Guardian. All of the designs can be fully customised for a variety of roles and both inboard and outboard propulsion can be specified. The company has also built special designs such as a catamaran survey boat for operation on the river at Mannheim and a variety of small inshore rescue boats for operation on Dutch inland waterways.

Amongst the specialised fitting that can be specified is a push bow unit and side rescue steps. The smaller boats can be operate with tiller outboard steering or there is the option of a compact control console.

By Dag Pike

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