Northern Ireland ferry to have Voith Schneider propulsion

Written by Nick Blenkey
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New ferry will look a lot like its predecessor, but will be larger and more powerful

JUNE 23, 2015 — A double ended ferry under construction at the Cammell Laird shipyard in Birkenhead, England, will replace an existing ferry on the route between Strangford and Portaferry in County Down, Northern Ireland.

The new ferry is being built for the Northern Ireland Department for Regional Development, which decided that after 45 years in service, it was time to replace the existing ferry, the M/V Stanford.

At first sight, the new ferry might look a lot like a reconstruction of the MV Strangford, but is a significantly larger and more powerful vessel with a larger carrying capacity than its predecessor.

However, like the M/V Strangford, the new ship will have Voith Schneider propulsion.

f vsp 23 06 zoomIn addition to its proven reliability in the M/V Strangford, the VSP propulsion concept is well suited to the ferry’s arrangement for docking at the concrete ramps at the two terminals that it serves.

Two special skegs at the vessel ends ensure stability while at the same time protecting the VSPs which, rather than being arranged diagonally are positioned along the centerline of the vessel.

With a length of 38.20 m and a beam of 15.50 m, the new ferry will be able to carry 266 passengers (of which six are crew members) and 28 cars. As an alternative, 22 cars and two buses or 20 cars and two large trucks can be transported.

MV Strangford had been limited to 18 cars and could not transport vehicles with a weight exceeding 7.5 tons.

The new double-ender will be propelled by two type 16R5 EC/120-1 Voith Schneider Propellers.

The Voith scope of supply includes the two Voith Schneider Propellers (VSPs), two turbo couplings, two bow tooth couplings and the electronic control system.

The vessel is to achieve a service speed of 10.75 knots. The maximum vessel speed reached using both 540 kW diesel engines will exceed 12 knots.

strangford ferry general arrangement drawing 3

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