General: Claus is an ASD-tugboat with two Schottel-Rudder-Propeller type SRP 1515
below the stern. In each nozzles turns a FP-propeller with a diameter of 2600mm. The tugboat is powered by two ABC-diesel
engines 8MDZC-1000 with 1850kW each at 1000U/min. With this configuration the Claus attaines a bollard pull of 64,14t and a
speed of 12,7kts. The tank capacities are for diesel fuel 235t, for water 24t and for ballast 65t. Claus doesn´t have a
FiFi-system.at the hull deck line a D-fender-system (200mm) is fitted. The bow and the stern have rubber blocks. Above the
bowfender a cylindrical fender is fitted.
The main engines made by ABC and the gen sets made by Cummins have their seperate
engine rooms. The generators deliver 150kVA at 1500U/min each. The schottel compartment is located just behind the engine room.
An additional towing wire is stored in the schottel compartment between both schottel units. For the replacement the wire will
lead through a hatch in the working deck. In front of the engine room some workstores are located.
On the workdeck a hydraulically driven towing winch from Bruselles is located. The winch has two drums.
The starboard drum carries a 100m long polyester wire with a diameter of 52mm. The portside carries a steel wire with the same
diameter and a length of 700m. The pulling force is 35t, the brake load is 165t. Above the winch the mob-boat made by DSV is
located. You will find the davit for this boat made by Global on the starbord side. Next to the winch a vertical capstan with
10t swl and a disc towing hook with 65t/swl is fitted. There is direct access from the workdeck to the deckstore on port side,
the CO2-store on starboard and to the deckhouse. On this level you will find the galley and two cabins (port side)
and washing facilities, messroom and a further cabin (starbord side). All accomodation / rooms are fully airconditioned. The
funnels are on both sides of the superstructure.
On the starboard side you will find the crane for the Mob-boat. On each side
of the deckhouse some different kinds of exhaust pipes are located. Just behind the deckhouse on the side deck level you will
find the aft mast, with towing- and stern light. Two ladders lead from the working deck to side decks. On this level you will
find the accomodation for the captain and the 1.officier. From the side deck you have direct access to the forecastle deck. On
the forecastle deck a hydraulically combined towing/ anchorwinch made by Bruselles is fitted. Like the stern winch this towing
winch carries two drums. Each drum carries a polyesther wire with a length of 100m and a diameter of 52mm. The brakes for the
winch a powered by airpressure. The winch has a pulling power of 35t and holding force of 85t. The anchors are driven with the
same winch. In front of the winch direct at the bulwark a double towing fairlead is fitted.
On the bridgedeck some liferafts and lifejackets are fitted. On each side a small two-step-ladder
leads into the wheelhouse. The controls are fitted in two desks with a sliding seat in between. The controls for the stern winch
are fitted in an extra desk at the back of the wheelhouse. The winch is driven by the chief from this desk or directly from the
winch. Behind the winch control desk stairs lead to the accomodation. The navigational equipment contains magnet compass, gyro
compass, autopilot, two radars, GPS, 1x echo sounder. Navtex and AIS. Communication equipment is to GMDSS-A1+A2 standard.
navigation deck: The mast with the two radars, two search lights and the navigation lights are located here. Below the
mast are two boxes with accumulators for the communcation equipment. At the front end of the deck the magnet compass is fitted.
The Claus has her home port in Lübeck and flies the German flag. She was built as
a three man tug and will be manned if necessary. The headquarter of Johannsen is manned 24 hours 7 days a week.