Taking a Cruise on European Rivers with SCHOTTEL

Posted by Eric Haun
Wednesday, April 30, 2014
The SCHOTTEL propulsion concept with four SCHOTTEL Twin propellers STP200 . (The picture shows the A-ROSA AQUA.)

About 40 European river cruise vessels are or will be equipped with a SCHOTTEL propulsion concept with four SCHOTTEL Twin Propellers STP 200. The concept was specifically designed for river cruise ships, and in five years has consistently gained acceptance with its numerous advantages such as low-noise, shallow draught, increased overall efficiency and energy efficient operation, SCHOTTEL said.

Splitting the propulsion units from the conventional two to four Twin Propellers, reduces the draught of the ship to approximately 1.6 meters, and therefore the ships sail smoothly even in shallow waters. The highly elastic mounting of the STP effectively damps the pressure impulses induced by the blades. The reduced diameter of the propellers allows a spacious clearance between the propellers and the hull and results in a low structure-borne noise level.

The small propeller diameter of 1,050mm requires only minor tunneling of the ship’s stern. In contrast to high tunneled ships, these effective designed stern lines increase the overall propulsion efficiency significantly. Additionally, the propulsion system with four SCHOTTEL Twin Propellers 200 has a very low thrust-deduction coefficient thanks to the clearance between propeller and hull. Hence, almost the entire thrust can be converted into propulsive power.

One or two SCHOTTEL Pump Jets of the type SPJ 82 RD serve as additional drives in the bow. These are characterized by their compact and rugged design and are suitable as main and auxiliary drives.

The steering of the fourfold propulsion system ensures an increased operation safety: just like a dual propulsion system the steering is controlled via two joysticks, one for the two units portside and one for the two units starboard. Apart from a few details, the bridge does not differ from a double unit. This way, captains can easily change between a fleet’s different vessels.

The operational safety of the ship itself is guaranteed by the nine-fold redundancy of the propulsion system: the four SCHOTTEL STP 200 main propulsion units each have redundant control. The SCHOTTEL SPJ82RD ensures the redundancy additionally.

Currently the propulsion concept is available with four mechanical STP 200 in both a diesel-direct and a diesel-electric version as well as with four electric SCHOTTEL Combi Drives (SCD 200). The SCHOTTEL propulsion portfolio for river cruise ships also includes a variety of individually tailored concepts for different river cruise providers. These range from the traditional concept with two SCHOTTEL Twin propellers to river cruise vessels operating with SCHOTTEL Pump Jets as main propulsion units.

schottel.de
 

Maritime Reporter June 2014 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Marine Power

Harnessing the Wind for Auxiliary Propulsion

Finnish marine engineering company Norsepower Oy Ltd. announced that it will bring to the commercial maritime market an auxiliary wind propulsion solution aimed

MAN Extends High Speed Power Range

MAN announced it will present a newly developed 12-cylinder V-engine for use in working vessels at the SMM 2014 trade fair in Hamburg, Germany. The German engine

Engine Performs in Roll Over Test

Engines customized for new Dutch search-and-rescue lifeboat vessels keep running after full rotation on axis. In thrashing, unforgiving seas, a capsized rescue vessel used to be a symbol of defeat.

Naval Architecture

Eastern to Build Offshore Vessel for Harvey Gulf

Eastern Shipbuilding announced that on, Wednesday July 16, 2014, Harvey Gulf International Marine, Inc. (HGIM) and Eastern Shipbuilding Group, Inc. (ESG) entered

FORAN Users Meeting (FORUM 2014)

The Eighth FORAN Users Meeting (FORUM 2014) took place June 11-13, 2014 in the Parador de la Granja, Segovia, and when it was over the organizers proclaimed it a great success,

Third RAmparts 2500 Tug for SMIT-Rebras

Keppel Singmarine BrasilLtda. (KSMB), of Navegantes, Brazil has recently completed the construction of the SMIT Panará, the third of a series of six Robert Allan Ltd.

Marine Equipment

Training Builds Support for Sennebogen Customers

When Sennebogen LLC opened its new headquarters in Stanley, N.C., in 2009, the facility was equipped with one of America’s premier OEM Training Centers for heavy equipment.

Electronic Navigation & Dispute Resolution: Coming of Age

ECDIS, AIS, GPS Electronic navigation systems such as GPS, Electronic Chart Displays (ECDIS) and Automatic Identification Systems (AIS) provide great assistance

Harnessing the Wind for Auxiliary Propulsion

Finnish marine engineering company Norsepower Oy Ltd. announced that it will bring to the commercial maritime market an auxiliary wind propulsion solution aimed

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Maritime Security Naval Architecture Port Authority Salvage Ship Electronics Ship Simulators Sonar Winch
rss | archive | history | articles | privacy | terms and conditions | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.2566 sec (4 req/sec)